| **LOANS AND ALLOWANCE FOR CREDIT LOSSES (Tables)**              | 6 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                             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| **Loans and Leases Receivable Disclosure [Abstract]**           |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     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| Schedule of Loans Receivable                                    | The following table presents the composition of the gross loans and leases held-for-investment by type of loan and by fixed and variable rates at the dates indicated: June 30, 2016 December 31, 2015 Amount Percent Amount Percent (dollars in thousands)Commercial loans held-for-investment:       Commercial real estate loans$9,252,743 11.5% $8,722,917 11.0%Commercial and industrial loans19,615,226 24.3% 19,787,834 24.9%Multifamily loans9,225,985 11.5% 9,438,463 11.9%Other commercial(2)3,006,362 3.7% 2,676,506 3.4%Total commercial loans held-for-investment41,100,316 51.0% 40,625,720 51.2%Consumer loans secured by real estate:       Residential mortgages6,227,307 7.7% 6,230,995 7.8%Home equity loans and lines of credit6,078,463 7.6% 6,151,232 7.7%Total consumer loans secured by real estate12,305,770 15.3% 12,382,227 15.5%Consumer loans not secured by real estate:       Retail installment contracts and auto loans - originated20,903,940 25.9% 18,539,588 23.4%Retail installment contracts and auto loans - purchased4,629,815 5.8% 6,108,210 7.7%Personal unsecured loans722,215 0.9% 685,467 0.9%Other consumer(3)908,720 1.1% 1,032,580 1.3%Total consumer loans39,470,460 49.0% 38,748,072 48.8%Total loans held-for-investment(1)$80,570,776 100.0% $79,373,792 100.0%Total loans held-for-investment:       Fixed rate$47,126,419 58.5% $46,721,562 58.9%Variable rate33,444,357 41.5% 32,652,230 41.1%Total loans held-for-investment(1)$80,570,776 100.0% $79,373,792 100.0%(1)Total loans held-for-investment includes deferred loan fees, net of deferred origination costs and unamortized purchase premiums, net of discounts as well as purchase accounting adjustments. These items resulted in a net increase in the loan balances of $467.3 million and $26.3 million as of June 30, 2016 and December 31, 2015, respectively. (2)Other commercial primarily includes commercial equipment vehicle financing ("CEVF") leveraged leases and loans.(3)Other consumer primarily includes recreational vehicles ("RV") and marine loans.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 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| Allowance for Credit Losses by Portfolio Segment                | The activity in the ACL by portfolio segment for the three-month and six-month periods endedJune 30, 2016 and 2015 was as follows: Three-Month Period Ended June 30, 2016 Commercial Consumer Unallocated Total (in thousands)Allowance for loan and lease losses, beginning of period$531,850 $2,903,425 $45,328 $3,480,603(Recovery of)/Provision for loan losses(20,841) 634,784 — 613,943Charge-offs(32,533) (1,019,659) — (1,052,192)Recoveries21,223 611,691 — 632,914Charge-offs, net of recoveries(11,310) (407,968) — (419,278)Allowance for loan and lease losses, end of period$499,699 $3,130,241 $45,328 $3,675,268        Reserve for unfunded lending commitments, beginning of period$172,008 $— $— $172,008Provision for unfunded lending commitments(16,634) — — (16,634)Loss on unfunded lending commitments(166) — — (166)Reserve for unfunded lending commitments, end of period155,208 — — 155,208Total allowance for credit losses, end of period$654,907 $3,130,241 $45,328 $3,830,476         Six-Month Period Ended June 30, 2016 Commercial Consumer Unallocated Total (in thousands)Allowance for loan and lease losses, beginning of period$435,717 $2,679,666 $45,328 $3,160,711Provision for loan and lease losses90,193 1,381,418 — 1,471,611Charge-offs(72,849) (2,149,073) — (2,221,922)Recoveries46,638 1,218,230 — 1,264,868Charge-offs, net of recoveries(26,211) (930,843) — (957,054)Allowance for loan and lease losses, end of period$499,699 $3,130,241 $45,328 $3,675,268Reserve for unfunded lending commitments, beginning of period$147,396 $— $— $147,396Provision for unfunded lending commitments7,977 — — 7,977Loss on unfunded lending commitments(165) — — (165)Reserve for unfunded lending commitments, end of period155,208 — — 155,208Total allowance for credit losses, end of period$654,907 $3,130,241 $45,328 $3,830,476Ending balance, individually evaluated for impairment(1)$129,084 $1,226,748 $— $1,355,832Ending balance, collectively evaluated for impairment370,615 1,903,493 45,328 2,319,436        Financing receivables:       Ending balance$41,564,581 $42,263,353 $— $83,827,934Ending balance, evaluated under the fair value option or lower of cost or fair value(2)464,265 3,043,596 — 3,507,861Ending balance, individually evaluated for impairment(1)628,642 4,814,931 — 5,443,573Ending balance, collectively evaluated for impairment40,471,674 34,404,826 — 74,876,500(1)  Consists primarily of loans in TDR status (2)  Represents LHFS and those loans for which the Company has elected the FVO.NOTE 4. LOANS AND ALLOWANCE FOR CREDIT LOSSES (continued) Three-Month Period Ended June 30, 2015 Commercial Consumer Unallocated Total (in thousands)Allowance for loan and lease losses, beginning of period$413,014 $1,796,974 $71,299 $2,281,287Provision for / (Recovery of) loan losses13,353 941,605 293 955,251Charge-offs(31,846) (879,302) — (911,148)Recoveries8,174 501,089 — 509,263Charge-offs, net of recoveries(23,672) (378,213) — (401,885)Allowance for loan and lease losses, end of period$402,695 $2,360,366 $71,592 $2,834,653        Reserve for unfunded lending commitments, beginning of period$127,641 $— $— $127,641Provision for unfunded lending commitments10,000 — — 10,000Loss on unfunded lending commitments— — — —Reserve for unfunded lending commitments, end of period137,641 — — 137,641Total allowance for credit losses, end of period$540,336 $2,360,366 $71,592 $2,972,294         Six-Month Period Ended June 30, 2015 Commercial Consumer Unallocated Total (in thousands)Allowance for loan and lease losses, beginning of period$401,553 $1,267,025 $33,024 $1,701,602Provision for loan and lease losses38,153 1,937,169 38,568 2,013,890Other(1)— (27,117) — (27,117)Charge-offs(51,184) (1,822,278) — (1,873,462)Recoveries14,173 1,005,567 — 1,019,740Charge-offs, net of recoveries(37,011) (816,711) — (853,722)Allowance for loan and lease losses, end of period$402,695 $2,360,366 $71,592 $2,834,653        Reserve for unfunded lending commitments, beginning of period$132,641 $— $— $132,641Provision for unfunded lending commitments5,000 — — 5,000Loss on unfunded lending commitments— — — —Reserve for unfunded lending commitments, end of period137,641 — — 137,641Total allowance for credit losses, end of period$540,336 $2,360,366 $71,592 $2,972,294Ending balance, individually evaluated for impairment(2)$60,139 $594,600 $— $654,739Ending balance, collectively evaluated for impairment342,556 1,765,766 71,592 2,179,914        Financing receivables:       Ending balance$39,001,911 $42,273,367 $— $81,275,278Ending balance, evaluated under the fair value option or lower of cost or fair value(3)1,012 2,379,729 — 2,380,741Ending balance, individually evaluated for impairment(2)407,208 3,780,458 — 4,187,666Ending balance, collectively evaluated for impairment38,593,691 36,113,180 — 74,706,871(1)The "Other" amount represents the impact on the ALLL in connection with SC classifying approximately $1.0 billion of RICs as held-for-sale during the first quarter of 2015.(2)Consists primarily of loans in TDR status. (3)Represents LHFS and those loans for which the Company has elected the FVO.NOTE 4. LOANS AND ALLOWANCE FOR CREDIT LOSSES (continued)The following table presents the activity in the Allowance for loan losses for the Retail Installment Contracts acquired ("Purchased") in the Change in Control and those originated by SC subsequent to the Change in Control.  Three Month Period Ended June 30, 2016 Six Month Period Ended June 30, 2016 Purchased Originated Total Purchased Originated Total (in thousands)Allowance for loan and lease losses, beginning of period$589,107 $2,137,270 $2,726,377 $590,807 $1,891,989 $2,482,796Provision for / (Release of) loan and lease losses47,617 572,145 619,762 121,252 1,246,565 1,367,817Other— — — — — —Charge-offs(194,169) (789,788) (983,957) (458,961) (1,614,868) (2,073,829)Recoveries173,068 422,813 595,881 362,525 818,754 1,181,279Charge-offs, net of recoveries(21,101) (366,975) (388,076) (96,436) (796,114) (892,550)Allowance for loan and lease losses, end of period$615,623 $2,342,440 $2,958,063 $615,623 $2,342,440 $2,958,063 Three Month Period Ended June 30, 2015 Six Month Period Ended June 30, 2015 Purchased Originated Total Purchased Originated Total (in thousands)Allowance for loan and lease losses, beginning of period$319,231 $920,153 $1,239,384 $963 $709,024 $709,987Provision for / (Release of) loan and lease losses330,724 454,219 784,943 829,629 834,357 1,663,986Other— — — (27,117) — (27,117)Charge-offs(399,788) (337,204) (736,992) (887,412) (656,206) (1,543,618)Recoveries292,542 181,966 474,508 626,646 331,959 958,605Charge-offs, net of recoveries(107,246) (155,238) (262,484) (260,766) (324,247) (585,013)Allowance for loan and lease losses, end of period$542,709 $1,219,134 $1,761,843 $542,709 $1,219,134 $1,761,843 |
| Schedule of Non-accrual Loans                                   | The recorded investment in non-accrual loans disaggregated by class of financing receivables and other non-performing assets is summarized as follows: June 30, 2016 December 31, 2015 (in thousands)Non-accrual loans:   Commercial:   Commercial real estate:   Corporate banking$68,537 $71,979Middle market commercial real estate74,799 37,745Santander real estate capital3,210 3,454Commercial and industrial248,688 85,745Multifamily6,845 9,162Other commercial10,234 2,982Total commercial loans412,313 211,067Consumer:   Residential mortgages155,738 173,780Home equity loans and lines of credit119,135 127,171Retail installment contracts and auto loans - originated766,982 701,785Retail installment contracts and auto loans - purchased315,414 417,276Personal unsecured loans207 895Other consumer14,041 23,125Total consumer loans1,371,517 1,444,032Total non-accrual loans1,783,830 1,655,099    Other real estate owned ("OREO")37,432 38,959Repossessed vehicles183,713 172,375Foreclosed and other repossessed assets2,489 374Total OREO and other repossessed assets223,634 211,708Total non-performing assets$2,007,464 $1,866,807                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                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| Aging Analysis of Loan Portfolio                                | The age of recorded investments in past due loans and accruing loans greater than 90 days past due disaggregated by class of financing receivables is summarized as follows: As of June 30, 2016  30-89Days PastDue GreaterThan 90Days TotalPast Due Current TotalFinancingReceivable(1) Recorded Investment> 90 DaysandAccruing (in thousands)Commercial:            Commercial real estate:            Corporate banking $10,463 $30,716 $41,179 $2,844,353 $2,885,532 $—Middle market commercial real estate — 44,126 44,126 4,828,281 4,872,407 —Santander real estate capital 233 — 233 1,494,571 1,494,804 —Commercial and industrial 35,017 36,554 71,571 20,007,920 20,079,491 —Multifamily 5,335 2,245 7,580 9,218,405 9,225,985 —Other commercial 5,562 1,743 7,305 2,999,057 3,006,362 —Consumer:            Residential mortgages 129,065 127,707 256,772 6,315,726 6,572,498 —Home equity loans and lines of credit 32,307 73,410 105,717 5,972,746 6,078,463 —Retail installment contracts and auto loans - originated 2,424,416 209,833 2,634,249 19,746,681 22,380,930 —Retail installment contracts and auto loans - purchased 969,026 74,638 1,043,664 3,586,151 4,629,815 —Personal unsecured loans 81,586 89,642 171,228 1,521,699 1,692,927 85,765Other consumer 27,701 22,922 50,623 858,097 908,720 —Total $3,720,711 $713,536 $4,434,247 $79,393,687 $83,827,934 $85,765(1)Financing receivables include LHFS. NOTE 4. LOANS AND ALLOWANCE FOR CREDIT LOSSES (continued) As of December 31, 2015  30-89Days PastDue GreaterThan 90Days TotalPast Due Current TotalFinancingReceivable(1) RecordedInvestment> 90 DaysandAccruing (in thousands)Commercial:            Commercial real estate:            Corporate banking $18,085 $30,000 $48,085 $2,901,004 $2,949,089 $—Middle market commercial real estate 575 21,063 21,638 4,201,721 4,223,359 —Santander real estate capital — 654 654 1,549,815 1,550,469 —Commercial and industrial 31,067 44,032 75,099 19,799,134 19,874,233 —Multifamily 2,951 4,537 7,488 9,430,975 9,438,463 —Other commercial 3,968 2,079 6,047 2,670,459 2,676,506 —Consumer:         Residential mortgages 140,323 142,510 282,833 6,184,922 6,467,755 —Home equity loans and lines of credit 28,166 79,715 107,881 6,043,351 6,151,232 —Retail installment contracts and auto loans - originated 2,149,480 212,569 2,362,049 17,083,248 19,445,297 —Retail installment contracts and auto loans - purchased 1,242,545 109,258 1,351,803 4,756,407 6,108,210 —Personal unsecured loans 78,741 83,686 162,427 2,477,454 2,639,881 79,729Other consumer 41,667 32,573 74,240 958,340 1,032,580 —Total $3,737,568 $762,676 $4,500,244 $78,056,830 $82,557,074 $79,729(1)Financing receivables include LHFS.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           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| Schedule of Impaired Loans by Class                             | Impaired loans disaggregated by class of financing receivables are summarized as follows:  June 30, 2016  Recorded Investment(1) UnpaidPrincipalBalance RelatedSpecificReserves AverageRecordedInvestment  (in thousands)With no related allowance recorded:        Commercial:        Commercial real estate:        Corporate banking $36,629 $36,860 $— $38,736Middle market commercial real estate 61,467 106,415 — 69,896Santander real estate capital 2,709 2,709 — 2,762Commercial and industrial 40,442 41,755 — 22,039Multifamily 12,698 13,474 — 11,083Other commercial 908 908 — 574Consumer:        Residential mortgages 66,915 66,915 — 46,862Home equity loans and lines of credit 52,357 52,357 — 41,719Retail installment contracts and auto loans - originated 9 9 — 12Retail installment contracts and auto loans - purchased 49,886 65,993 — 62,792Personal unsecured loans(2) 21,742 21,742 — 17,304Other consumer 19,850 24,213 — 16,173With an allowance recorded:        Commercial:        Commercial real estate:        Corporate banking 34,575 36,327 9,103 32,976Middle market commercial real estate 73,941 84,730 12,954 55,994Santander real estate capital 8,711 8,711 950 4,683Commercial and industrial 278,813 285,073 104,864 196,086Multifamily 966 971 653 3,310Other commercial 7,555 7,598 560 5,386Consumer:        Residential mortgages 131,971 157,281 27,185 152,118Home equity loans and lines of credit 51,110 65,749 4,797 61,479Retail installment contracts and auto loans - originated 2,218,319 2,269,720 690,186 1,772,147Retail installment contracts and auto loans - purchased 2,185,838 2,470,349 501,109 2,319,973  Personal unsecured loans 1,585 1,897 385 1,712  Other consumer 13,935 18,926 3,086 16,299Total:        Commercial $559,414 $625,531 $129,084 $443,525Consumer 4,813,517 5,215,151 1,226,748 4,508,590Total $5,372,931 $5,840,682 $1,355,832 $4,952,115(1)Recorded investment includes deferred loan fees, net of deferred origination costs and unamortized purchase premiums, net of discounts as well as purchase accounting adjustments.(2)Includes LHFS.  December 31, 2015  Recorded Investment(1) UnpaidPrincipalBalance RelatedSpecificReserves AverageRecordedInvestment  (in thousands)With no related allowance recorded:        Commercial:        Commercial real estate:         Corporate banking $40,843 $43,582 $— $39,289 Middle market commercial real estate 78,325 123,495 — 103,059 Santander real estate capital 2,815 2,815 — 2,899Commercial and industrial 3,635 5,046 — 5,780Multifamily 9,467 10,488 — 15,980Other commercial 239 239 — 164Consumer:        Residential mortgages 26,808 26,808 — 25,108Home equity loans and lines of credit 31,080 31,080 — 29,155Retail installment contracts and auto loans - originated 15 15 — 8Retail installment contracts and auto loans - purchased 75,698 96,768 — 931,411Personal unsecured loans 12,865 12,865 — 6,729Other consumer 12,495 16,002 — 9,048With an allowance recorded:        Commercial:         Corporate banking 31,376 32,650 6,413 45,663 Middle market commercial real estate 38,046 43,745 5,624 49,072 Santander real estate capital 654 782 98 2,266Commercial and industrial 113,358 142,308 35,184 88,771Multifamily 5,653 5,658 443 5,816Other commercial 3,216 4,465 749 2,574Consumer:        Residential mortgages 172,265 200,176 25,034 151,539Home equity loans and lines of credit 71,847 86,355 3,757 65,990Retail installment contracts and auto loans - originated 1,325,975 1,359,585 408,208 691,244Retail installment contracts and auto loans - purchased 2,454,108 2,773,536 454,926 1,227,054Personal unsecured loans 1,839 2,226 430 9,158Other consumer 18,663 23,790 3,225 17,479Total:        Commercial $327,627 $415,273 $48,511 $361,333Consumer 4,203,658 4,629,206 895,580 3,163,923Total $4,531,285 $5,044,479 $944,091 $3,525,256(1)Recorded investment includes deferred loan fees, net of deferred origination costs and unamortized purchase premiums, net of discounts as well as purchase accounting adjustments.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
| Schedule of Financing Receivable by LTV                         | Residential mortgage and home equity financing receivables by LTV and FICO® range are summarized as follows:  Residential Mortgages(1)(3)June 30, 2016 N/A(2) LTV<=70% 70.01-80% 80.01-90% 90.01-100% 100.01-110% LTV>110% Grand TotalFICO® Score (dollars in thousands)N/A(2) $573,780 $28,688 $845 $— $— $— $— $603,313<600 119 224,445 55,551 25,527 15,296 7,614 8,158 336,710600-639 53 153,871 38,696 21,344 8,341 4,271 5,107 231,683640-679 64 268,152 83,716 39,648 33,110 7,054 8,152 439,896680-719 79 487,517 150,971 62,688 39,056 6,924 14,629 761,864720-759 106 727,348 324,614 64,785 43,882 9,229 14,190 1,184,154>=760 464 2,157,890 676,467 105,578 44,095 13,383 17,001 3,014,878Grand Total $574,665 $4,047,911 $1,330,860 $319,570 $183,780 $48,475 $67,237 $6,572,498(1)  Includes LHFS.(2)  Residential mortgages and home equity loans and lines of credit in the "N/A" range for LTV or FICO® score primarily represent loans serviced by others, in run-off portfolios or for which a current LTV or FICO® score is unavailable. (3)  Allowance model considers LTV for financing receivables in first lien position for the Company and combined LTV ("CLTV") for financing receivables in second lien position for the Company.  Home Equity Loans and Lines of Credit(2)June 30, 2016 N/A(1) LTV<=70% 70.01-90% 90.01-110% LTV>110% Grand TotalFICO® Score (dollars in thousands)N/A(1) $186,139 $2,217 $1,810 $— $— $190,166<600 10,831 154,748 67,073 19,757 17,505 269,914600-639 8,426 143,840 75,934 16,056 11,211 255,467640-679 10,988 270,010 163,122 32,871 20,611 497,602680-719 11,301 456,666 300,494 51,404 26,837 846,702720-759 10,028 649,337 406,400 52,877 35,373 1,154,015>=760 26,192 1,689,411 977,354 109,759 61,881 2,864,597Grand Total $263,905 $3,366,229 $1,992,187 $282,724 $173,418 $6,078,463(1)  Residential mortgages and home equity loans and lines of credit in the "N/A" range for LTV or FICO® score primarily represent loans serviced by others, in run-off portfolios or for which a current LTV or FICO® score is unavailable. (2)  Allowance model considers LTV for financing receivables in first lien position for the Company and CLTV for financing receivables in second lien position for the Company.   Residential Mortgages(1)(3)December 31, 2015 N/A (2) LTV<=70% 70.01-80% 80.01-90% 90.01-100% 100.01-110% LTV>110% Grand TotalFICO® Score (dollars in thousands)N/A(2) $461,839 $12,250 $2,769 $— $— $— $— $476,858<600 128 226,185 69,698 30,491 18,279 8,441 9,602 362,824600-639 1 158,290 43,002 23,281 15,585 5,238 7,579 252,976640-679 230 252,727 81,552 35,001 29,125 9,101 12,034 419,770680-719 19 462,180 183,568 62,670 51,659 9,194 22,770 792,060720-759 339 681,473 341,934 72,729 55,461 11,024 20,982 1,183,942>=760 84 2,049,268 717,671 112,721 57,385 21,580 20,616 2,979,325Grand Total $462,640 $3,842,373 $1,440,194 $336,893 $227,494 $64,578 $93,583 $6,467,755(1)  Includes LHFS.(2)  Residential mortgages and home equity loans and lines of credit in the "N/A" range for LTV or FICO® score primarily represent loans serviced by others, in run-off portfolios or for which a current LTV or FICO® score is unavailable. (3)  Allowance model considers LTV for financing receivables in first lien position for the Company and CLTV for financing receivables in second lien position for the Company.NOTE 4. LOANS AND ALLOWANCE FOR CREDIT LOSSES (continued)  Home Equity Loans and Lines of Credit(2)December 31, 2015 N/A(1) LTV<=70% 70.01-90% 90.01-110% LTV>110% Grand TotalFICO® Score (dollars in thousands)N/A(1) $192,379 $390 $305 $— $— $193,074<600 11,110 155,306 79,389 22,373 22,261 290,439600-639 8,871 140,277 83,548 20,766 12,525 265,987640-679 12,534 254,481 174,223 32,925 26,565 500,728680-719 14,273 431,818 317,260 56,589 31,722 851,662720-759 12,673 614,748 425,744 63,840 39,981 1,156,986>=760 34,579 1,644,168 1,007,561 135,571 70,477 2,892,356Grand Total $286,419 $3,241,188 $2,088,030 $332,064 $203,531 $6,151,232(1)  Residential mortgages and home equity loans and lines of credit in the "N/A" range for LTV or FICO® score primarily represent loans serviced by others, in run-off portfolios or for which a current LTV or FICO® score is unavailable. (2)  Allowance model considers LTV for financing receivables in first lien position for the Company and CLTV for financing receivables in second lien position for the Company.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
| Summary of Performing and Non-performing TDRs                   | The following table summarizes the Company’s performing and non-performing TDRs at the dates indicated: June 30, 2016 December 31, 2015 (in thousands)Performing$4,429,024 $3,797,231Non-performing706,941 602,315Total$5,135,965 $4,399,546                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        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| Schedule of Troubled Debt Restructurings                        | The following tables detail the activity of TDRs for the three-month and six-month periods endedJune 30, 2016 and June 30, 2015, respectively: Three-Month Period Ended June 30, 2016 Number ofContracts Pre-ModificationOutstanding RecordedInvestment(1) Term ExtensionPrincipal ForbearanceOther(4)Post-ModificationOutstanding RecordedInvestment(2) (dollars in thousands)Commercial: Commercial real estate:         Corporate Banking10 $104,123 $(16)$(15,273)$(276)$88,558 Middle market commercial real estate1 372 ——29,94530,317 Santander real estate capital1 8,729 ——(18)8,711Commercial and industrial337 9,839 (1)——9,838Consumer:    — Residential mortgages(3)43 5,627 ——3235,950 Home equity loans and lines of credit35 2,504 ——(49)2,455 Retail installment contracts and auto loans - originated38,569 710,885 (164)—(50)710,671 Retail installment contracts and auto loans - purchased10,501 122,739 (544)—19122,214 Personal unsecured loans220 994 ——(21)973 Other consumer4 167 ——(1)166Total49,721 $965,979 $(725)$(15,273)$29,872$979,853          Six-Month Period Ended June 30, 2016 Number ofContracts Pre-TDR RecordedInvestment(1) Term ExtensionPrincipal ForbearanceOther(4)Post-TDR Recorded Investment(2) (dollars in thousands)Commercial:        Commercial real estate:         Corporate Banking19 $151,899 $(32)$(25,856)$(287)$125,724 Middle market commercial real estate4 10,826 ——29,87640,702    Santander real estate capital1 8,729 ——(18)8,711Commercial and industrial560 17,069 (2)——17,067Consumer:        Residential mortgages(3)92 12,275 (1)—52912,803 Home equity loans and lines of credit102 7,043 132—(286)6,889 Retail installment contracts and auto loans - originated  66,264 1,224,951 (247)—(111)1,224,593 Retail installment contracts and auto loans - purchased24,845 298,707 (1,142)—(41)297,524 Personal unsecured loans17,275 22,339 ——(150)22,189 Other consumer30 1,090 ——(179)911Total109,192 $1,754,928 $(1,292)$(25,856)$29,333$1,757,113(1)     Pre-TDR modification outstanding recorded investment amount is the month-end balance prior to the month the modification occurred.(2)     Post-TDR modification outstanding recorded investment amount is the month-end balance for the month that the modification occurred.(3)     The post-TDR modification outstanding recorded investment amounts for residential mortgages exclude interest reserves. (4)     Other modifications may include modifications such as interest rate reductions, fee waivers, or capitalization of fees. Three-Month Period Ended June 30, 2015 Number ofContracts Pre-ModificationOutstanding RecordedInvestment(1) Term ExtensionPrincipal ForbearanceOther(4)Post-TDR Recorded Investment(2) (dollars in thousands)Commercial:        Commercial real estate:         Corporate Banking10 $10,225 $(993)$(4)$2,560$11,788 Middle market commercial real estate— — ———— Santander real estate capital— — ————Commercial and industrial127 4,251 ———4,251Consumer:        Residential mortgages(3)43 6,305 ——8447,149 Home equity loans and lines of credit22 1,023 ——5941,617 Retail installment contracts and auto loans - originated19,495 371,937 (37)—(70)371,830 Retail installment contracts and auto loans - purchased51,049 700,250 (1,374)—(335)698,541 Personal unsecured loans4,691 5,486 ——(27)5,459 Other consumer2 211 ——33244Total75,439 $1,099,688 $(2,404)$(4)$3,599$1,100,879                   Six-Month Period Ended June 30, 2015 Number ofContracts Pre-TDR RecordedInvestment(1) Term ExtensionPrincipal ForbearanceOther(4)Post-TDR Recorded Investment(2) (dollars in thousands)Commercial: Commercial real estate:         Corporate Banking12 $11,673 $(993)$(4)$2,551$13,227 Middle market commercial real estate1 14,439 ———14,439Commercial and industrial208 15,124 (34)(2,679)(1)12,410Consumer:        Residential mortgages(3)89 14,171 —(25)59114,737 Home equity loans and lines of credit61 4,694 ——5945,288Retail installment contracts and auto loans - originated26,526 509,687 (51)—(127)509,509Retail installment contracts and auto loans - purchased119,507 1,674,181 (3,155)—(742)1,670,284 Personal unsecured loans9,159 10,880 ——(65)10,815 Other consumer17 1,131 ——251,156Total155,580 $2,255,980 $(4,233)$(2,708)$2,826$2,251,865(1)    Pre-TDR modification outstanding recorded investment amount is the month-end balance prior to the month the modification occurred.(2)Post-TDR modification outstanding recorded investment amount is the month-end balance for the month that the modification occurred.(3)The post-TDR modification outstanding recorded investment amounts for residential mortgages exclude interest reserves. (4)Other modifications may include modifications such as interest rate reductions, fee waivers, or capitalization of fees.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| Schedule of Troubled Debt Restructurings Subsequently Defaulted | The following table details TDRs that became TDRs during the past twelve-month period and have subsequently defaulted during the three-month and six-month periods endedJune 30, 2016 and June 30, 2015, respectively. Three-Month PeriodEnded June 30,  Six-Month Period Ended June 30, 2016 2015 2016 2015 Number ofContracts Recorded Investment(1) Number ofContracts Recorded Investment(1) Number ofContracts Recorded Investment(1) Number ofContracts Recorded Investment(1) (dollars in thousands)Commercial               Commercial and industrial35 $1,068 12 $410 90 $3,068 22 $686Consumer:               Residential mortgages6 780 5 890 17 2,592 13 1,820Home equity loans and lines of credit 3 155 6 674 8 496 11 937RICs and auto loans9,944 163,142 12,143 184,270 23,068 377,844 21,836 326,804Unsecured loans1,277 1,599 1,174 1,259 2,876 3,426 2,551 2,670Other consumer— — — — 2 24 2 244Total11,265 $166,744 13,340 $187,503 26,061 $387,450 24,435 $333,161(1)The recorded investment represents the period-end balance at June 30, 2016 and 2015. Does not include Chapter 7 bankruptcy TDRs.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           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| **Financing Receivable, Recorded Investment [Line Items]**      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              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| Schedule of Loans by Credit Quality Indicators                  | Consumer financing receivables for which either an internal or external credit score is a core component of the allowance model are summarized by credit score as follows:  June 30, 2016 December 31, 2015Credit Score Range(2) RICs and auto loans(3) Percent RICs and auto loans(3) Percent  (dollars in thousands)No FICO®(1) $4,120,261 15.2% $4,913,606 19.2%<600 14,603,481 54.1% 13,374,065 52.3%600-639 4,696,868 17.4% 4,260,982 16.7%>=640 3,590,135 13.3% 3,004,854 11.8%Total $27,010,745 100.0% $25,553,507 100.0%(1)  Consists primarily of loans for which credit scores are not considered in the ALLL model.(2)  Credit scores updated quarterly. (3)  RICs and auto loans include $1.5 billion and $905.7 million of LHFS at June 30, 2016 and December 31, 2015 that do not have an allowance.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 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| Commercial                                                      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     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| **Financing Receivable, Recorded Investment [Line Items]**      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     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| Schedule of Loans by Credit Quality Indicators                  | The following table reconciles the Company's recorded investment classified by its major portfolio classifications to its commercial loan classifications utilized in its determination of the ALLL and other credit quality disclosures at June 30, 2016 and December 31, 2015, respectively:Commercial Portfolio Segment(2)    Major Loan Classifications(1) June 30, 2016 December 31, 2015  (in thousands)Commercial loans held for investment:    Commercial real estate:    Corporate Banking $2,885,532 $2,949,089Middle Market Real Estate 4,872,407 4,223,359Santander Real Estate Capital 1,494,804 1,550,469Total commercial real estate 9,252,743 8,722,917Commercial and industrial (3) 19,615,226 19,787,834Multifamily 9,225,985 9,438,463Other commercial 3,006,362 2,676,506Total commercial LHFI $41,100,316 $40,625,720(1)These represent the Company's loan categories based on the SEC Regulation S-X, Article 9. (2)These represent the Company's loan classes used to determine its ALLL.(3)Commercial and industrial loans excluded $464.3 million of LHFS at June 30, 2016 and excluded $86.4 million of LHFS at December 31, 2015.Commercial loan credit quality indicators by class of financing receivables are summarized as follows:  Commercial Real Estate        June 30, 2016 Corporatebanking Middlemarketcommercialreal estate Santanderreal estatecapital Commercial and industrial Multifamily Remainingcommercial Total(1)  (in thousands)Regulatory Rating:              Pass $2,638,995 $4,610,178 $1,392,017 $18,780,657 $9,066,369 $2,974,771 $39,462,987Special Mention 76,248 102,358 75,165 581,885 102,972 11,904 950,532Substandard 160,420 110,631 27,622 684,355 56,244 19,460 1,058,732Doubtful 9,869 49,240 — 32,594 400 227 92,330Total commercial loans $2,885,532 $4,872,407 $1,494,804 $20,079,491 $9,225,985 $3,006,362 $41,564,581(1)Financing receivables include LHFS.  Commercial Real Estate        December 31, 2015 Corporatebanking Middlemarketcommercialreal estate Santanderreal estatecapital Commercial and industrial Multifamily Remainingcommercial Total(1)  (in thousands)Regulatory Rating:              Pass $2,627,159 $4,055,623 $1,363,031 $18,881,150 $9,114,466 $2,631,935 $38,673,364Special Mention 99,090 29,620 144,597 492,128 249,165 28,686 1,043,286Substandard 208,785 117,571 42,187 467,983 74,410 15,601 926,537Doubtful 14,055 20,545 654 32,972 422 284 68,932Total commercial loans $2,949,089 $4,223,359 $1,550,469 $19,874,233 $9,438,463 $2,676,506 $40,712,119(1)Financing receivables include LHFS.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        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| Consumer                                                        |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              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| **Financing Receivable, Recorded Investment [Line Items]**      |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     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| Schedule of Loans by Credit Quality Indicators                  | Consumer Portfolio Segment(2)    Major Loan Classifications(1) June 30, 2016 December 31, 2015  (in thousands)Consumer loans secured by real estate:   Residential mortgages(3) $6,227,307 $6,230,995Home equity loans and lines of credit 6,078,463 6,151,232Total consumer loans secured by real estate 12,305,770 12,382,227Consumer loans not secured by real estate:   Retail installment contracts and auto loans - originated(4) 20,903,940 18,539,588Retail installment contracts and auto loans - purchased(4) 4,629,815 6,108,210Personal unsecured loans(5) 722,215 685,467Other consumer 908,720 1,032,580Total consumer loans held-for-investment $39,470,460 $38,748,072(1)These represent the Company's loan categories based on the SEC's Regulation S-X, Article 9.(2)These represent the Company's loan classes used to determine its ALLL.(3)Residential mortgages exclude $345.2 million and $236.8 million of LHFS at June 30, 2016 and December 31, 2015, respectively.(4)RIC and auto loans exclude $1.5 billion and $905.7 million of LHFS at June 30, 2016 and December 31, 2015, respectively.(5)Personal unsecured loans exclude $970.7 million and $2.0 billion of LHFS at June 30, 2016 and December 31, 2015, respectively.NOTE 4. LOANS AND ALLOWANCE FOR CREDIT LOSSES (continued)The RICs and auto loan portfolio is comprised of: (1) RICs originated by SC prior to the first quarter 2014 change in control and consolidation of SC (the “Change in Control"), (2) RICs originated by SC after the Change in Control, and (3) auto loans originated by SBNA. The composition of the portfolio segment is as follows:  June 30, 2016 December 31, 2015  (in thousands)RICs - Purchased:   UPB (1) $5,063,379 $6,709,748UPB - FVO (2) 72,082 140,995Total UPB 5,135,461 6,850,743Purchase Marks (3)(505,646) (742,533)Total RICs - Purchased 4,629,815 6,108,210     RICs - Originated:    UPB (1) 21,439,684 19,069,801Net discount (552,994) (548,057)Total RICs - Originated20,886,690 18,521,744SBNA auto loans 17,250 17,844Total RICs originated post-change in control 20,903,940 18,539,588Total RICs and auto loans $25,533,755 $24,647,798(1) UPB does not include amounts related to the loan receivables - unsecured and loan receivables from dealers due to the short-term and revolving nature of these receivables. (2) The Company elected to account for these loans, which were acquired with evidence of credit deterioration, under the FVO. (3) Includes purchase marks of $16.5 million and $33.1 million as of June 30, 2016 and December 31, 2015, respectively, related to purchased loan portfolios on which we elected to apply the FVO.                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       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Tabular disclosure of troubled debt restructurings on financing receivables by performing and non-performing receivables.
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Tabular disclosure of financing receivables (examples of financing receivables include loans, trade accounts receivable and notes receivable) and activity in the allowance for credit losses account.
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Tabular disclosure of financing receivables by credit quality indicator. The credit quality indicator is a statistic about the credit quality of financing receivables. Examples include, but not limited to, consumer credit risk scores, credit-rating-agency ratings, an entity's internal credit risk grades, loan-to-value ratios, collateral, collection experience and other internal metrics.
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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.
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Tabular disclosure of impaired financing receivables.
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Tabular disclosure of financing receivables that are past due but not impaired, financing receivables that are 90 days past due and still accruing, and financing receivables on nonaccrual status.
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Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables.
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| - Definition
Tabular disclosure of nonaccrual and past due financing receivables (such as loans and trade receivables), including: (a) the recorded investment in loans and trade receivables, if applicable, on nonaccrual status as of each balance sheet date (b) the recorded investment in loans and trade receivables, if applicable, past due 90 days or more and still accruing.
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Tabular disclosure of financing receivables and troubled debt restructurings.
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