Fair Value Disclosures - Additional Information (Detail) (USD $)
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12 Months Ended | |
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Dec. 31, 2013
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Dec. 31, 2012
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Risks and Uncertainties [Abstract] | ||
Allowance for loan losses | $ 3,238,000 | $ 10,843,000 |
Specific charges to value the real estate owned | 411,000 | 581,000 |
Lower of cost or fair value reserve | 644,000 | |
Short-term borrowings maturity period | 90 days | |
Fair Value, Measurements, Recurring [Member]
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Risks and Uncertainties [Abstract] | ||
Fair value liabilities | $ 0 | $ 0 |