Quarterly report pursuant to Section 13 or 15(d)

Financial Assets And Liabilities Carried At Fair Value On Nonrecurring Basis (Detail)

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Financial Assets And Liabilities Carried At Fair Value On Nonrecurring Basis (Detail) (Fair Value Measurements Nonrecurring [Member], USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Impaired loans $ 34,825 $ 33,072
Other real estate owned 9,834 12,275
Total assets at fair value 44,659 45,347
Fair Value Inputs Level 3 [Member]
   
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Impaired loans 34,825 33,072
Other real estate owned 9,834 12,275
Total assets at fair value $ 44,659 $ 45,347