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Litigation, Commitments and Contingencies - Additional Information (Detail) - USD ($) $ in Thousands | Mar. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Commitments and Contingencies Disclosure [Line Items] |  |
Commitments to extend credit | $ 242,581 | $ 235,302
Trust preferred securities | 15,460 |
Total FHLB Borrowings |  |
Commitments and Contingencies Disclosure [Line Items] |  |
Commitments to extend credit | $ 22,690 | $ 22,690

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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
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- Details
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