Federal Home Loan Bank Advances Maturing by Period (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Schedule of Federal Home Loan Bank Advances and Other Borrowings [Line Items]
2013	$ 13,247
2014	105
2015	5,113
2016	1,619
2017	34,028
Thereafter	20,563
Federal Home Loan Bank advances	$ 74,675	$ 101,451

Including both current and noncurrent portions, Federal Home Loan Bank borrowings initially due beyond one year or beyond the normal operating cycle if longer.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

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Reference 7: http://www.xbrl.org/2003/role/presentationRef

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Reference 8: http://www.xbrl.org/2003/role/presentationRef

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+ Details