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Schedule Of Loans Given To Immediate Family Member Of Management Or Principal Owner (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Related Party Transaction [Line Items]  
Balance, January 1,2012 $ 6,994
Additions 7,419
Changes in Persons Included 119
Deductions, Collected (5,530)
Deductions, Charged-off 0
Balance, December 31, 2012 $ 9,002