| **Accumulated Other Comprehensive Income (Loss) - Reclassifications (Details) (USD $)In Thousands, unless otherwise specified**                    | 3 Months Ended                                                                                                                                                                                                                                                                                                 |
|----------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
||
| **Reclassification Adjustments out of Accumulated Other Comprehensive Income [Line Items]**                                                        |                                                                                                                                                                                                                                                                                                           |   |
| Other income - net realized gains on sales of available for sale securities                                                                        | $ 1,025us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet                                                                                                                                                                                                                                              | $ 581us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet |
| Income tax expense                                                                                                                                 | (5,834)us-gaap_IncomeTaxExpenseBenefit                                                                                                                                                                                                                                                                         | (4,617)us-gaap_IncomeTaxExpenseBenefit |
| Interest expense - subordinated debentures and term loans                                                                                          | (1,660)us-gaap_InterestExpenseDebt                                                                                                                                                                                                                                                                             | (1,641)us-gaap_InterestExpenseDebt |
| NET INCOME AVAILABLE TO COMMON STOCKHOLDERS                                                                                                        | 16,172us-gaap_NetIncomeLoss                                                                                                                                                                                                                                                                                    | 13,620us-gaap_NetIncomeLoss |
| Amount Reclassified from Accumulated Other Comprehensive Income (Loss) for the Period                                                              |                                                                                                                                                                                                                                                                                                           |   |
| **Reclassification Adjustments out of Accumulated Other Comprehensive Income [Line Items]**                                                        |                                                                                                                                                                                                                                                                                                           |   |
| NET INCOME AVAILABLE TO COMMON STOCKHOLDERS                                                                                                        | 436us-gaap_NetIncomeLoss/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis= us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember                                                                                                                                         | 154us-gaap_NetIncomeLoss/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis= us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember |
| Amount Reclassified from Accumulated Other Comprehensive Income (Loss) for the Period | Unrealized gains (losses) on available for sale securities |                                                                                                                                                                                                                                                                                                           |   |
| **Reclassification Adjustments out of Accumulated Other Comprehensive Income [Line Items]**                                                        |                                                                                                                                                                                                                                                                                                           |   |
| Other income - net realized gains on sales of available for sale securities                                                                        | 1,025us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis= us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember/ us-gaap_StatementEquityComponentsAxis= us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember | 581us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis= us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember/ us-gaap_StatementEquityComponentsAxis= us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember |
| Income tax expense                                                                                                                                 | (359)us-gaap_IncomeTaxExpenseBenefit/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis= us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember/ us-gaap_StatementEquityComponentsAxis= us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember                            | (203)us-gaap_IncomeTaxExpenseBenefit/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis= us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember/ us-gaap_StatementEquityComponentsAxis= us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember |
| NET INCOME AVAILABLE TO COMMON STOCKHOLDERS                                                                                                        | 666us-gaap_NetIncomeLoss/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis= us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember/ us-gaap_StatementEquityComponentsAxis= us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember                                        | 378us-gaap_NetIncomeLoss/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis= us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember/ us-gaap_StatementEquityComponentsAxis= us-gaap_AccumulatedNetUnrealizedInvestmentGainLossMember |
| Amount Reclassified from Accumulated Other Comprehensive Income (Loss) for the Period | Unrealized gains (losses) on cash flow hedges              |                                                                                                                                                                                                                                                                                                           |   |
| **Reclassification Adjustments out of Accumulated Other Comprehensive Income [Line Items]**                                                        |                                                                                                                                                                                                                                                                                                           |   |
| Income tax expense                                                                                                                                 | 124us-gaap_IncomeTaxExpenseBenefit/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis= us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember/ us-gaap_StatementEquityComponentsAxis= us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember          | 120us-gaap_IncomeTaxExpenseBenefit/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis= us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember/ us-gaap_StatementEquityComponentsAxis= us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
| Interest expense - subordinated debentures and term loans                                                                                          | (354)us-gaap_InterestExpenseDebt/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis= us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember/ us-gaap_StatementEquityComponentsAxis= us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember            | (344)us-gaap_InterestExpenseDebt/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis= us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember/ us-gaap_StatementEquityComponentsAxis= us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |
| NET INCOME AVAILABLE TO COMMON STOCKHOLDERS                                                                                                        | $ (230)us-gaap_NetIncomeLoss/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis= us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember/ us-gaap_StatementEquityComponentsAxis= us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember                | $ (224)us-gaap_NetIncomeLoss/ us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis= us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember/ us-gaap_StatementEquityComponentsAxis= us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember |

| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27357-111563
+ Details**Name:**us-gaap_AvailableForSaleSecuritiesGrossRealizedGainLossNet**Namespace Prefix:**us-gaap_**Data Type:**xbrli:monetaryItemType**Balance Type:**credit**Period Type:**duration |
| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Income Tax Expense (or Benefit) -URI http://asc.fasb.org/extlink&oid=6515339Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319
+ Details**Name:**us-gaap_IncomeTaxExpenseBenefit**Namespace Prefix:**us-gaap_**Data Type:**xbrli:monetaryItemType**Balance Type:**debit**Period Type:**duration |
| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
Amount of the cost of borrowed funds accounted for as interest expense for debt.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 8 -Article 5
+ Details**Name:**us-gaap_InterestExpenseDebt**Namespace Prefix:**us-gaap_**Data Type:**xbrli:monetaryItemType**Balance Type:**debit**Period Type:**duration |
| X                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Definition
The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.
+ References
Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Other Comprehensive Income -URI http://asc.fasb.org/extlink&oid=6519514Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Net Income -URI http://asc.fasb.org/extlink&oid=6518256Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.19) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.18) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.22) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 19 -Article 5Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 20 -Article 9
+ Details**Name:**us-gaap_NetIncomeLoss**Namespace Prefix:**us-gaap_**Data Type:**xbrli:monetaryItemType**Balance Type:**credit**Period Type:**duration |
| X                                                                                                                                                                                                               |
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Details**Name:**us-gaap_ReclassificationAdjustmentOutOfAccumulatedOtherComprehensiveIncomeLineItems**Namespace Prefix:**us-gaap_**Data Type:**xbrli:stringItemType**Balance Type:**na**Period Type:**duration |
| X                                                                                                                                                                                                                                   |
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| - Details**Name:**us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeAxis=us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember**Namespace Prefix:****Data Type:**na**Balance Type:****Period Type:** |