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Other Real Estate Owned (Tables)
12 Months Ended
Dec. 31, 2012
Other Real Estate Owned [Abstract]  
Schedule of Other Real Estate Owned
    2012   2011   2010
Balance at beginning of year   $ 1,682     $ 2,387     $ 5,479  
Additions   2,180     1,989     1,479  
Disposals   (2,388 )   (2,506 )   (2,965 )
Write-downs   (161 )   (188 )   (1,606 )
Balance at end of year   $ 1,313     $ 1,682     $ 2,387