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Borrowings - Schedule of Remaining Borrowing Capacity with FHLB (Detail) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2015 | Dec. 31, 2014
Borrowings Under Repurchase Agreements [Line items] |  |
Borrowings | $ 210,515 | $ 101,695
Interest Rate 2.09% [Member] |  |
Borrowings Under Repurchase Agreements [Line items] |  |
Borrowings | $ 0 | 20,000
Maturity date | Sep. 07, 2015 |
Interest Rate 0.43% and 0.27% [Member] |  |
Borrowings Under Repurchase Agreements [Line items] |  |
Borrowings | $ 116,272 | 35,980
Maturity date | May 02, 2016 |
Interest Rate 4.6% [Member] |  |
Borrowings Under Repurchase Agreements [Line items] |  |
Borrowings | $ 10,000 | 10,000
Maturity date | Jun. 01, 2017 |
Interest Rate 4.02% [Member] |  |
Borrowings Under Repurchase Agreements [Line items] |  |
Borrowings | $ 5,000 | 5,000
Maturity date | Aug. 07, 2017 |
Interest Rate 4.10% [Member] |  |
Borrowings Under Repurchase Agreements [Line items] |  |
Borrowings | $ 5,000 | 5,000
Maturity date | Aug. 07, 2017 |
Interest Rate 4.47% [Member] |  |
Borrowings Under Repurchase Agreements [Line items] |  |
Borrowings | $ 10,000 | 10,000
Maturity date | Aug. 07, 2017 |
Interest Rate 3.97% [Member] |  |
Borrowings Under Repurchase Agreements [Line items] |  |
Borrowings | $ 10,000 | 10,000
Maturity date | Oct. 10, 2017 |
Interest Rate 1.25% [Member] |  |
Borrowings Under Repurchase Agreements [Line items] |  |
Borrowings | $ 30,000 | 0
Maturity date | Dec. 15, 2017 |
Interest Rate 1.35% [Member] |  |
Borrowings Under Repurchase Agreements [Line items] |  |
Borrowings | $ 18,781 | 0
Maturity date | Sep. 16, 2019 |
Interest Rate 4.72% [Member] |  |
Borrowings Under Repurchase Agreements [Line items] |  |
Borrowings | $ 700 | 700
Maturity date | Jul. 03, 2023 |
Interest Rate 4.31%[Member] |  |
Borrowings Under Repurchase Agreements [Line items] |  |
Borrowings | $ 2,049 | 2,167
Maturity date | Sep. 05, 2023 |
Interest Rate 3.05% [Member] |  |
Borrowings Under Repurchase Agreements [Line items] |  |
Borrowings | $ 888 | 924
Maturity date | Mar. 11, 2024 |
Interest Rate 5.24% [Member] |  |
Borrowings Under Repurchase Agreements [Line items] |  |
Borrowings | $ 488 | 513
Maturity date | Jun. 11, 2024 |
Interest Rate 3.35% [Member] |  |
Borrowings Under Repurchase Agreements [Line items] |  |
Borrowings | $ 261 | 282
Maturity date | May 04, 2026 |
Interest Rate 4.00% [Member] |  |
Borrowings Under Repurchase Agreements [Line items] |  |
Borrowings | $ 273 | 292
Maturity date | Oct. 14, 2026 |
Interest Rate 2.96% [Member] |  |
Borrowings Under Repurchase Agreements [Line items] |  |
Borrowings | $ 803 | $ 837
Maturity date | Feb. 11, 2033 |

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- Definition Federal home loan bank advances general debt obligations disclosures maturity date. + References No definition available. + Details
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- Definition Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 + Details
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