| **Transfers Accounted for as Secured Borrowings (Tables)**                                       | 3 Months Ended                                                                                                                                                                                                                                                                                                                             |
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| **Banking and Thrift [Abstract]**                                                                |                                                                                                                                                                                                                                                                                                                                       |
| Schedule of collateral pledged for all repurchase agreements accounted for as secured borrowings | The collateral pledged for all repurchase agreements that are accounted for as secured borrowings as of March 31, 2016 were:Remaining Contractual Maturity of the AgreementsOvernight and ContinuousUp to 30 Days30-90 DaysGreater Than 90 DaysTotalU.S. Government-sponsored mortgage-backed securities$127,329$7,559$15,246$150,134 |

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| - References
No definition available.
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| - Definition
The entire disclosure for repurchase agreements.
+ 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.(m)(1)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690
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