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Composition of Borrowings (Detail) - USD ($) $ in Thousands | Mar. 31, 2016 | Dec. 31, 2015
--- | --- | ---
Debt Instrument [Line Items] |  |  |
Federal funds purchased |  | $ 18,000 |
Securities sold under agreements to repurchase |  |  |
Securities sold under agreements to repurchase |  | 134,661 | $ 138,614
FHLB borrowings |  |  |
Advances |  | 65,000 | 65,000
Total FHLB borrowings |  | 65,000 | 65,000
Subordinated debt |  | 15,464 | 15,464
Other debt |  | 292 | 292
Total borrowings |  | $ 233,417 | $ 219,370
Federal funds purchased | [1] | 0.51% | 0.34%
Retail | [1] | 0.07% | 0.13%
Retail |  |  |
Securities sold under agreements to repurchase |  |  |
Securities sold under agreements to repurchase |  | $ 84,661 | $ 88,614
Wholesale |  |  |
Securities sold under agreements to repurchase |  |  |
Securities sold under agreements to repurchase |  | $ 50,000 | $ 50,000
Wholesale Repurchase Agreements |  |  |
FHLB borrowings |  |  |
Weighted average contractual rate | [1] | 3.71% | 3.71%
Total FHLB Borrowings |  |  |
FHLB borrowings |  |  |
Weighted average contractual rate | [1] | 4.04% | 4.04%
[1] | Weighted average contractual rate

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