XML 24 R37.htm IDEA: XBRL DOCUMENT v2.4.0.6
Allowance for Loan Losses (Details) (USD $)
In Thousands, unless otherwise specified
9 Months Ended 12 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Dec. 31, 2011
Transactions in the allowance for loan losses      
Balance at beginning of year $ 12,937 $ 16,036 $ 16,036
Provision charged to operating expense 3,455 9,395 12,380
Loan recoveries 240 208 310
Loan charge-offs (2,583) (7,137) (15,789)
Balance at end of period $ 14,049 $ 18,502 $ 12,937