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Note 5 - Loans and Allowance for Credit Losses (Detail) - Changes in the accretable yield for purchased loans (USD $)
In Thousands
9 Months Ended12 Months Ended
Sep. 30, 2011
Dec. 31, 2010
Balance at the beginning of the period$ 6,089 
Accretion(9,215)(8,747)
Reduction in FDIC indemnification asset7,2566,816
Increase in interest income(1,959)(1,931)
Reclassification from nonaccretable difference6,89714,836
Balance at the end of the period$ 3,771$ 6,089