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Financial Instruments with Off Balance Sheet Risk - Schedule of Bank's Exposure to Credit Loss (Detail) (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2013
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Dec. 31, 2012
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|---|---|---|
| Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] | ||
| Contract or Notional Amount | $ 46,840 | $ 36,407 |
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Commitments to Grant Loans [Member]
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| Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] | ||
| Contract or Notional Amount | 17,060 | 13,262 |
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Unfunded Commitments of Existing Loans [Member]
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| Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] | ||
| Contract or Notional Amount | 26,785 | 21,396 |
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Standby and Performance Letters of Credit [Member]
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| Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] | ||
| Contract or Notional Amount | $ 2,995 | $ 1,749 |