Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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Reflects the aggregate gross carrying amount of all commercial loans and leases held in portfolio, prior to deducting deferred income and the allowance for losses on commercial loans and leases.

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

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Loans - Summary of Loans (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Real estate loans:
Commercial and industrial	$ 22,803	$ 23,071
Consumer and other loans	12,301	7,815
Total loans	357,093	383,594	392,440
Allowance for loan losses	(10,644)	(13,075)	(12,937)	(16,036)
Loans, net	346,449	370,519
Construction and Land Development [Member]
Real estate loans:
Real estate loans	34,060	43,524
Total loans	34,060	43,524
Secured by 1-4 Family Residential [Member]
Real estate loans:
Real estate loans	141,961	134,964
Total loans	141,961	134,964
Other Real Estate Loans [Member]
Real estate loans:
Real estate loans	145,968	174,220
Total loans	$ 145,968	$ 174,220