Quarterly report pursuant to Section 13 or 15(d)

Business Combinations (Details 1)

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Business Combinations (Details 1) (First Market Bank Acquisition [Member], USD $)
In Thousands, unless otherwise specified
Sep. 30, 2012
Dec. 31, 2011
First Market Bank Acquisition [Member]
   
Outstanding principal balance and carrying amount of acquired loans    
Outstanding principal balance $ 471,557 $ 632,602
Carrying amount $ 462,552 $ 620,048