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Federal Income Taxes - Significant Components of Deferred Tax Assets and Liabilities (Detail) (USD $) | Dec. 31, 2013 | Dec. 31, 2012
--- | --- | ---
Deferred income tax assets |  |
Allowance for loan losses | $ 7,987,000 | $ 10,037,000
Net operating loss carryforward | 4,050,000 | 8,235,000
Unrealized loss on securities | 2,908,000 | 0
Tax credit carryforwards | 1,397,000 | 1,198,000
Nonaccrual loan interest income | 605,000 | 892,000
Deferred compensation | 567,000 | 506,000
Deferred loan fees | 273,000 | 229,000
Fair value write-downs on foreclosed properties | 241,000 | 2,124,000
Fair value of interest rate swap | 92,000 | 390,000
Contributions carryforwards | 0 | 256,000
Other | 343,000 | 369,000
Deferred income tax assets, Total | 18,463,000 | 24,236,000
Deferred income tax liabilities |  |
Depreciation | 419,000 | 491,000
Prepaid expenses | 192,000 | 339,000
Unrealized gain on securities | 0 | 1,278,000
Other | 98,000 | 113,000
Deferred income tax liabilities, Total | 709,000 | 2,221,000
Total net deferred tax asset | $ 17,754,000 | $ 22,015,000

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