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Loans Receivable and Allowance for Loan Losses - Troubled Debt Restructurings on Financing Receivables (Details) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2016 USD ($) loan | Dec. 31, 2015 USD ($) loan
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | $ 77,797 | $ 72,235
Number of modified contracts | loan | 8 |
Troubled Debt Restructuring, By Loan Class |  |
Pre-Modification | $ 13,317 |
Post-Modification | $ 8,654 |
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loan | 9 |
Balance | $ 3,063 |
Specific reserves | 2,059 |
Specific reserves for the TDRs | 144 |
Charge offs | 30 |
Specific reserves allocated to TDRs | 7,900 | 5,700
Payment concession |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | 18,250 | 18,280
Troubled Debt Restructuring Concession, Type, Maturity/ Amortization Concession [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | 45,586 | 38,210
Rate concession |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | 13,961 | 15,745
Principal forgiveness |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | 0 | 0
TDR on accrual |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | 52,760 | 47,984
TDR on accrual | Payment concession |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | 11,870 | 11,979
TDR on accrual | Troubled Debt Restructuring Concession, Type, Maturity/ Amortization Concession [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | 33,795 | 27,512
TDR on accrual | Rate concession |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | 7,095 | 8,493
TDR on accrual | Principal forgiveness |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | 0 | 0
TDR on non-accrual |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | 25,037 | 24,251
TDR on non-accrual | Payment concession |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | 6,380 | 6,301
TDR on non-accrual | Troubled Debt Restructuring Concession, Type, Maturity/ Amortization Concession [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | 11,791 | 10,698
TDR on non-accrual | Rate concession |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | 6,866 | 7,252
TDR on non-accrual | Principal forgiveness |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | $ 0 | 0
Commercial & industrial | TDR on accrual |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured |  | $ 22,828
Number of modified contracts | loan | 22 | 24
Real estate | Mixed use |  |
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loan | 1 |
Real estate | Commercial & industrial | TDR on accrual |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | $ 21,709 | $ 22,828
Real estate | Commercial & industrial | TDR on accrual | Payment concession |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | 11,515 | 11,604
Real estate | Commercial & industrial | TDR on accrual | Troubled Debt Restructuring Concession, Type, Maturity/ Amortization Concession [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | 3,500 | 4,009
Real estate | Commercial & industrial | TDR on accrual | Rate concession |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | 6,694 | 7,215
Real estate | Commercial & industrial | TDR on accrual | Principal forgiveness |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | 0 | 0
Real estate | Commercial & industrial | TDR on non-accrual |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | 12,041 | 11,919
Real estate | Commercial & industrial | TDR on non-accrual | Payment concession |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | 3,773 | 3,891
Real estate | Commercial & industrial | TDR on non-accrual | Troubled Debt Restructuring Concession, Type, Maturity/ Amortization Concession [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | 2,018 | 1,583
Real estate | Commercial & industrial | TDR on non-accrual | Rate concession |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | 6,250 | 6,445
Real estate | Commercial & industrial | TDR on non-accrual | Principal forgiveness |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | 0 | 0
Commercial business | TDR on accrual |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | $ 24,285 | $ 19,845
Number of modified contracts | loan | 26 | 28
Commercial business | TDR on accrual | Payment concession |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | $ 355 | $ 375
Commercial business | TDR on accrual | Troubled Debt Restructuring Concession, Type, Maturity/ Amortization Concession [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | 23,529 | 18,192
Commercial business | TDR on accrual | Rate concession |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | 401 | 1,278
Commercial business | TDR on accrual | Principal forgiveness |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | 0 | 0
Commercial business | TDR on non-accrual |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | 10,561 | 9,869
Commercial business | TDR on non-accrual | Payment concession |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | 2,607 | 2,410
Commercial business | TDR on non-accrual | Troubled Debt Restructuring Concession, Type, Maturity/ Amortization Concession [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | 7,501 | 6,818
Commercial business | TDR on non-accrual | Rate concession |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | 453 | 641
Commercial business | TDR on non-accrual | Principal forgiveness |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | 0 | 0
Trade Finance and Other | TDR on accrual |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | 6,766 | 5,311
Trade Finance and Other | TDR on accrual | Payment concession |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | 0 | 0
Trade Finance and Other | TDR on accrual | Troubled Debt Restructuring Concession, Type, Maturity/ Amortization Concession [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | 6,766 | 5,311
Trade Finance and Other | TDR on accrual | Rate concession |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | 0 | 0
Trade Finance and Other | TDR on accrual | Principal forgiveness |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | 0 | 0
Trade Finance and Other | TDR on non-accrual |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | 2,435 | 2,463
Trade Finance and Other | TDR on non-accrual | Payment concession |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | 0 | 0
Trade Finance and Other | TDR on non-accrual | Troubled Debt Restructuring Concession, Type, Maturity/ Amortization Concession [Member] |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | 2,272 | 2,297
Trade Finance and Other | TDR on non-accrual | Rate concession |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | 163 | 166
Trade Finance and Other | TDR on non-accrual | Principal forgiveness |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | 0 | 0
Consumer and other | TDR on accrual |  |
Financing Receivable, Modifications [Line Items] |  |
Troubled debt restructured | $ 6,766 | $ 5,311
Number of modified contracts | loan | 6 | 4
Legacy |  |
Financing Receivable, Modifications [Line Items] |  |
Number of modified contracts | loan | 7 |
Troubled Debt Restructuring, By Loan Class |  |
Pre-Modification | $ 13,287 |
Post-Modification | $ 8,625 |
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loan | 8 |
Balance | $ 3,001 |
Legacy | Real estate |  |
Financing Receivable, Modifications [Line Items] |  |
Number of modified contracts | loan | 0 |
Troubled Debt Restructuring, By Loan Class |  |
Pre-Modification | $ 0 |
Post-Modification | $ 0 |
Legacy | Real estate | Payment concession |  |
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loan | 2 |
Balance | $ 249 |
Legacy | Real estate | Troubled Debt Restructuring Concession, Type, Maturity/ Amortization Concession [Member] |  |
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loan | 2 |
Balance | $ 729 |
Legacy | Real estate | Retail |  |
Financing Receivable, Modifications [Line Items] |  |
Number of modified contracts | loan | 0 |
Troubled Debt Restructuring, By Loan Class |  |
Pre-Modification | $ 0 |
Post-Modification | $ 0 |
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loan | 0 |
Balance | $ 0 |
Legacy | Real estate | Hotel & motel |  |
Financing Receivable, Modifications [Line Items] |  |
Number of modified contracts | loan | 0 |
Troubled Debt Restructuring, By Loan Class |  |
Pre-Modification | $ 0 |
Post-Modification | $ 0 |
Legacy | Real estate | Gas station & car wash |  |
Financing Receivable, Modifications [Line Items] |  |
Number of modified contracts | loan | 0 |
Troubled Debt Restructuring, By Loan Class |  |
Pre-Modification | $ 0 |
Post-Modification | $ 0 |
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loan | 2 |
Balance | $ 729 |
Legacy | Real estate | Mixed use |  |
Financing Receivable, Modifications [Line Items] |  |
Number of modified contracts | loan | 0 |
Troubled Debt Restructuring, By Loan Class |  |
Pre-Modification | $ 0 |
Post-Modification | $ 0 |
Legacy | Real estate | Industrial & warehouse |  |
Financing Receivable, Modifications [Line Items] |  |
Number of modified contracts | loan | 0 |
Troubled Debt Restructuring, By Loan Class |  |
Pre-Modification | $ 0 |
Post-Modification | $ 0 |
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loan | 0 |
Balance | $ 0 |
Legacy | Real estate | Other |  |
Financing Receivable, Modifications [Line Items] |  |
Number of modified contracts | loan | 0 |
Troubled Debt Restructuring, By Loan Class |  |
Pre-Modification | $ 0 |
Post-Modification | $ 0 |
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loan | 0 |
Balance | $ 0 |
Legacy | Commercial business |  |
Financing Receivable, Modifications [Line Items] |  |
Number of modified contracts | loan | 6 |
Troubled Debt Restructuring, By Loan Class |  |
Pre-Modification | $ 11,088 |
Post-Modification | $ 7,039 |
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loan | 6 |
Balance | $ 2,272 |
Legacy | Commercial business | Payment concession |  |
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loan | 4 |
Balance | $ 2,022 |
Legacy | Trade finance |  |
Financing Receivable, Modifications [Line Items] |  |
Number of modified contracts | loan | 1 |
Troubled Debt Restructuring, By Loan Class |  |
Pre-Modification | $ 2,199 |
Post-Modification | $ 1,586 |
Legacy | Consumer and other |  |
Financing Receivable, Modifications [Line Items] |  |
Number of modified contracts | loan | 0 |
Troubled Debt Restructuring, By Loan Class |  |
Pre-Modification | $ 0 |
Post-Modification | $ 0 |
Acquired |  |
Financing Receivable, Modifications [Line Items] |  |
Number of modified contracts | loan | 1 |
Troubled Debt Restructuring, By Loan Class |  |
Pre-Modification | $ 30 |
Post-Modification | $ 29 |
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loan | 1 |
Balance | $ 62 |
Charge offs | $ 0 |
Acquired | Real estate |  |
Financing Receivable, Modifications [Line Items] |  |
Number of modified contracts | loan | 0 |
Troubled Debt Restructuring, By Loan Class |  |
Pre-Modification | $ 0 |
Post-Modification | $ 0 |
Acquired | Real estate | Retail |  |
Financing Receivable, Modifications [Line Items] |  |
Number of modified contracts | loan | 0 |
Troubled Debt Restructuring, By Loan Class |  |
Pre-Modification | $ 0 |
Post-Modification | $ 0 |
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loan | 0 |
Balance | $ 0 |
Acquired | Real estate | Hotel & motel |  |
Financing Receivable, Modifications [Line Items] |  |
Number of modified contracts | loan | 0 |
Troubled Debt Restructuring, By Loan Class |  |
Pre-Modification | $ 0 |
Post-Modification | $ 0 |
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loan | 0 |
Balance | $ 0 |
Acquired | Real estate | Gas station & car wash |  |
Financing Receivable, Modifications [Line Items] |  |
Number of modified contracts | loan | 0 |
Troubled Debt Restructuring, By Loan Class |  |
Pre-Modification | $ 0 |
Post-Modification | $ 0 |
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loan | 0 |
Balance | $ 0 |
Acquired | Real estate | Mixed use |  |
Financing Receivable, Modifications [Line Items] |  |
Number of modified contracts | loan | 0 |
Troubled Debt Restructuring, By Loan Class |  |
Pre-Modification | $ 0 |
Post-Modification | $ 0 |
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loan | 62,000 |
Acquired | Real estate | Industrial & warehouse |  |
Financing Receivable, Modifications [Line Items] |  |
Number of modified contracts | loan | 0 |
Troubled Debt Restructuring, By Loan Class |  |
Pre-Modification | $ 0 |
Post-Modification | $ 0 |
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loan | 0 |
Balance | $ 0 |
Acquired | Real estate | Other |  |
Financing Receivable, Modifications [Line Items] |  |
Number of modified contracts | loan | 0 |
Troubled Debt Restructuring, By Loan Class |  |
Pre-Modification | $ 0 |
Post-Modification | $ 0 |
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loan | 0 |
Balance | $ 0 |
Acquired | Commercial business |  |
Financing Receivable, Modifications [Line Items] |  |
Number of modified contracts | loan | 0 |
Troubled Debt Restructuring, By Loan Class |  |
Pre-Modification | $ 0 |
Post-Modification | $ 0 |
Troubled Debt Restructuring, By Loan Class, Modified And Subsequent Payment Default |  |
Financing Receivable, Modifications, Subsequent Default, Number of Contracts | loan | 0 |
Balance | $ 0 |
Acquired | Trade finance |  |
Financing Receivable, Modifications [Line Items] |  |
Number of modified contracts | loan | 0 |
Troubled Debt Restructuring, By Loan Class |  |
Pre-Modification | $ 0 |
Post-Modification | $ 0 |
Acquired | Consumer and other |  |
Financing Receivable, Modifications [Line Items] |  |
Number of modified contracts | loan | 1 |
Troubled Debt Restructuring, By Loan Class |  |
Pre-Modification | $ 30 |
Post-Modification | $ 29 |

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- Definition Reflects the amount of the write-down related to a troubled debt restructuring, within the previous 12 months, for which there was a payment default. + References No definition available. + Details
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