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Noncovered Loans (Narrative) (Details) (USD $)
In Millions
6 Months Ended
Jun. 30, 2011
Dec. 31, 2010
Noncovered Loans    
Loans to related parties $ 9.8 $ 12.9
Advances on related party loans 3.1  
Repayments on related party loans 6.2  
Commercial and residential real estate loans pledged as FHLB collateral $ 366.1 $ 426.6