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Loans - Schedule of Loans (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Financing Receivable, Allowance for Credit Losses [Line Items]
Commercial	$ 25,408	$ 25,994
Single-family residential	43,058	18,214
Multi-family residential	21,576	27,163
Commercial	54,291	69,757
Construction	14
Home equity lines of credit	12,963	14,921
Other	970	1,221
Subtotal	158,280	157,270
Less: ALLL	(5,237)	(6,110)	(9,758)	(7,090)
Loans, net	$ 153,043	$ 151,160

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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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