XML 96 R51.htm IDEA: XBRL DOCUMENT v2.4.0.6
Securities (Amortized Cost And Fair Value Of Securities, By Contractual Maturities) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2012
Dec. 31, 2011
Schedule of Held-to-maturity Securities [Line Items]    
Available for Sale, Due in one year or less, Amortized Cost $ 27,164  
Available for Sale, Due in one year or less, Fair Value 27,213  
Available for Sale, Due from one to five years, Amortized Cost 346,262  
Available for Sale, Due from one to five years, Fair Value 346,200  
Available for Sale, Due from five to ten years, Amortized Cost 21,405  
Available for Sale, Due from five to ten years, Fair Value 22,401  
Available for Sale, Due after ten years, Amortized Cost 64,617  
Available for Sale, Due after ten years, Fair Value 50,753  
Available for Sale, with contractual maturities, Amortized Cost 459,448  
Available for Sale, with contractual maturities, Fair Value 446,567  
Total securities available for sale, Amortized Cost 1,101,523 645,658
Total available for sale Securities, Fair Value 1,097,801 640,571
Held to Maturity, Due in one year or less, Amortized Cost 7,731  
Held to Maturity, Due in one year or less, Fair Value 7,826  
Held to Maturity, Due from one to five years, Amortized Cost 12,313  
Held to Maturity, Due from one to five years, Fair Value 12,873  
Held to Maturity, Due from five to ten years, Amortized Cost 43,678  
Held to Maturity, Due from five to ten years, Fair Value 45,470  
Held to Maturity, Due after ten years, Amortized Cost 91,596  
Held to Maturity, Due after ten years, Fair Value 95,445  
Held to Maturity, Amortized Cost, total 1,178,558 917,212
Securities Held To Maturity, Fair Value 1,212,826 952,033
Held to Maturity, with contractual maturities, Amortized Cost 155,318  
Held to Maturity, with contractual maturities, Fair Value 161,614  
Agency Mortgage-Backed Securities [Member]
   
Schedule of Held-to-maturity Securities [Line Items]    
Total securities available for sale, Amortized Cost 337,045 166,758
Total available for sale Securities, Fair Value 342,654 171,611
Held to Maturity, with contractual maturities, Amortized Cost 888,484  
Held to Maturity, with contractual maturities, Fair Value 917,019  
Agency Collateralized Mortgage Obligations [Member]
   
Schedule of Held-to-maturity Securities [Line Items]    
Total securities available for sale, Amortized Cost 299,109 181,493
Total available for sale Securities, Fair Value 302,330 183,729
Held to Maturity, with contractual maturities, Amortized Cost 115,104  
Held to Maturity, with contractual maturities, Fair Value 115,747  
Non-Agency Collateralized Mortgage Obligations [Member]
   
Schedule of Held-to-maturity Securities [Line Items]    
Total securities available for sale, Amortized Cost 3,866 31
Total available for sale Securities, Fair Value 3,842 30
Held to Maturity, with contractual maturities, Amortized Cost 19,652  
Held to Maturity, with contractual maturities, Fair Value 18,446  
Equity Securities [Member]
   
Schedule of Held-to-maturity Securities [Line Items]    
Total securities available for sale, Amortized Cost 2,055 1,593
Total available for sale Securities, Fair Value $ 2,408 $ 1,827