Quarterly report pursuant to Section 13 or 15(d)

Derivative Financial Instruments (Details 2)

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Derivative Financial Instruments (Details 2) (USD $)
In Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2011
Jun. 30, 2010
Jun. 30, 2011
Jun. 30, 2010
Hedged Other long term debt [Member] | Interest expense subordinated notes and other long term debt [Member]
        
Increase or (decrease) to interest expense for derivatives designated as fair value hedges        
Increase or (decrease) to interest expense for derivatives designated as fair value hedges $ (969) $ (2,035) $ (389) $ (2,553)
Hedged Subordinated notes [Member] | Interest expense subordinated notes and other long term debt [Member]
        
Increase or (decrease) to interest expense for derivatives designated as fair value hedges        
Increase or (decrease) to interest expense for derivatives designated as fair value hedges (14,392) (12,718) (5,237) (16,361)
Hedged Deposits [Member] | Interest expense deposits [Member]
        
Increase or (decrease) to interest expense for derivatives designated as fair value hedges        
Increase or (decrease) to interest expense for derivatives designated as fair value hedges (7,117) (1,856) (1,080) (5,012)
FHLB Advances [Member] | Interest expense other borrowings [Member] | Cash flow hedging [Member]
        
Gains and (losses) recognized in other comprehensive income (loss) (OCI) for derivatives designated as effective cash flow hedges        
Amount of gain or (loss) reclassified from accumulated OCI into earnings (effective portion)       2,216
Loan [Member] | Interest and fee income loans and leases [Member] | Cash flow hedging [Member]
        
Gains and (losses) recognized in other comprehensive income (loss) (OCI) for derivatives designated as effective cash flow hedges        
Amount of gain or (loss) reclassified from accumulated OCI into earnings (effective portion)     7,627 (73,381)
Loan [Member] | Cash flow hedging [Member]
        
Gains and (losses) recognized in other comprehensive income (loss) (OCI) for derivatives designated as effective cash flow hedges        
Amount of gain or (loss) recognized in OCI on derivatives (effective portion)     (3,210) 47,434
Investment securities [Member]
        
Gains and (losses) recognized in other comprehensive income (loss) (OCI) for derivatives designated as effective cash flow hedges        
Amount of gain or (loss) recognized in OCI on derivatives (effective portion)     468  
Deposits [Member] | Interest expense deposits [Member]
        
Increase or (decrease) to interest expense for derivatives designated as fair value hedges        
Increase or (decrease) to interest expense for derivatives designated as fair value hedges 7,185 2,269 909 5,581
Subordinated notes | Interest expense other borrowings [Member] | Cash flow hedging [Member]
        
Gains and (losses) recognized in other comprehensive income (loss) (OCI) for derivatives designated as effective cash flow hedges        
Amount of gain or (loss) reclassified from accumulated OCI into earnings (effective portion)       (837)
Subordinated notes | Interest expense subordinated notes and other long term debt [Member]
        
Increase or (decrease) to interest expense for derivatives designated as fair value hedges        
Increase or (decrease) to interest expense for derivatives designated as fair value hedges 14,392 12,718 5,237 16,361
Other long-term debt | Interest expense other borrowings [Member] | Cash flow hedging [Member]
        
Gains and (losses) recognized in other comprehensive income (loss) (OCI) for derivatives designated as effective cash flow hedges        
Amount of gain or (loss) reclassified from accumulated OCI into earnings (effective portion)     13  
Other long-term debt | Interest expense subordinated notes and other long term debt [Member]
        
Increase or (decrease) to interest expense for derivatives designated as fair value hedges        
Increase or (decrease) to interest expense for derivatives designated as fair value hedges 969 2,035 389 2,553
Cash flow hedging [Member]
        
Gains and (losses) recognized in other comprehensive income (loss) (OCI) for derivatives designated as effective cash flow hedges        
Amount of gain or (loss) recognized in OCI on derivatives (effective portion)     (2,742) 47,434
Amount of gain or (loss) reclassified from accumulated OCI into earnings (effective portion)     $ 7,640 $ (72,002)