Quarterly report pursuant to Section 13 or 15(d)

Fair Values of Assets and Liabilities (Details Textuals)

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Fair Values of Assets and Liabilities (Details Textuals) (USD $)
3 Months Ended
Jun. 30, 2012
Dec. 31, 2011
Fair Values of Assets and Liabilities (Textuals) [Abstract]    
Mortgage loans held for sale, aggregate outstanding principal $ 542,085,000 $ 328,641,000
Impaired loans fair value based upon collateral value 22,900,000  
Non recurring fair value impairment recorded within the provision for credit losses 7,600,000  
OREO assets, fair value 38,600,000  
Losses recorded within non interest expense $ 1,500,000