v2.4.0.6
Fair Value Accounting and Measurement Fair Value Accounting and Measurement (Carrying Amounts and Estimated Fair Values of Selected Financial Instruments) (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Assets    
Interest-earning deposits with banks $ 202,925 $ 458,638
Securities available for sale 1,028,110 763,866
Carrying (Reported) Amount, Fair Value Disclosure [Member]
   
Assets    
Cash and due from banks 91,364 55,492
Interest-earning deposits with banks 202,925 458,638
Securities available for sale 1,028,110 763,866
FHLB stock 22,215 17,908
Loans held for sale 2,148 754
Loans 2,827,259 2,371,822
FDIC loss-sharing asset 175,071 205,991
Interest rate contracts 16,302 10,167
Liabilities    
Deposits 3,815,529 3,327,269
FHLB Advances 119,009 119,405
Repurchase agreements 25,000 25,000
Other borrowings 0 642
Long-term subordinated debt 0 25,735
Interest rate contracts 16,302 10,167
Estimate of Fair Value, Fair Value Disclosure [Member]
   
Assets    
Cash and due from banks 91,364 55,492
Interest-earning deposits with banks 202,925 458,638
Securities available for sale 1,028,110 763,866
FHLB stock 22,215 17,908
Loans held for sale 2,148 754
Loans 2,957,345 2,525,113
FDIC loss-sharing asset 71,788 205,991
Interest rate contracts 16,302 10,167
Liabilities    
Deposits 3,817,013 3,330,616
FHLB Advances 119,849 122,722
Repurchase agreements 26,580 27,251
Other borrowings 0 642
Long-term subordinated debt 0 20,156
Interest rate contracts $ 16,302 $ 10,167