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Federal Income Taxes - Components of Deferred Tax Assets and Liabilities (Detail) - USD ($) $ in Thousands | Dec. 31, 2015 | Dec. 31, 2014
--- | --- | ---
Deferred Tax Assets: |  |
Allowance for loan losses | $ 2,080 | $ 2,030
Other | 528 | 416
Total deferred tax assets | 2,608 | 2,446
Deferred Tax Liabilities: |  |
Accreted discounts on bonds | 100 | 83
FHLB stock dividends | 745 | 746
Mortgage servicing rights | 706 | 696
Other | 1,389 | 1,160
Net unrealized gain on available-for-sale securities | 109 | 229
Total deferred tax liabilities | 3,049 | 2,914
Net Deferred Tax Liability | $ (441) | $ (468)

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