Annual report pursuant to Section 13 and 15(d)

Carrying Amount And Estimated Fair Value Of Financial Instruments (Detail)

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Carrying Amount And Estimated Fair Value Of Financial Instruments (Detail) (Fair Value Measurements Nonrecurring [Member], USD $)
In Thousands, unless otherwise specified
Dec. 31, 2012
Dec. 31, 2011
Impaired loans, net of related allowance $ 33,883 $ 33,072
Other real estate owned 9,685 12,275
Total assets at fair value 43,568 45,347
Fair Value Inputs Level 3 [Member]
   
Impaired loans, net of related allowance 33,883 33,072
Other real estate owned 9,685 12,275
Total assets at fair value $ 43,568 $ 45,347