Annual report pursuant to Section 13 and 15(d)

Derivative Financial Instruments (Cash flow hedges) (Details 3)

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Derivative Financial Instruments (Cash flow hedges) (Details 3) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
FHLB Advances [Member]
     
Gains and (losses) recognized in noninterest income on the ineffective portion on interest rate contracts for derivatives designated as fair value and cash flow hedges      
Gains and (losses) recognized in noninterest income on the ineffective portion on interest rate contracts for derivatives designated as cash flow hedges $ 0 $ 0 $ (792)
Loan [Member]
     
Gains and (losses) recognized in noninterest income on the ineffective portion on interest rate contracts for derivatives designated as fair value and cash flow hedges      
Gains and (losses) recognized in noninterest income on the ineffective portion on interest rate contracts for derivatives designated as cash flow hedges $ 98 $ 947 $ 16,638