XML 35 R56.htm IDEA: XBRL DOCUMENT v2.4.0.8
Investment Securities (Amortized Cost And Estimated Fair Value Of Investments In Debt Securities By Contractual Maturity) (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2014
Dec. 31, 2013
Schedule of Investments [Line Items]    
Securities Available-for-Sale, Total Fair value $ 1,186,377 $ 1,176,266
Securities Held-to-Maturity, Amortized Cost 171,936 182,061
Securities held-to-maturity, fair value 175,377 187,402
Obligations Of States And Political Subdivisions [Member]
    
Schedule of Investments [Line Items]    
Securities Held-to-Maturity, Due within one year, Amortized cost 155  
Securities Held-to-Maturity, Due within one year, Fair value 155  
Held to Maturity Securities Debt Maturities Within One Year Weighted Avg Yield 4.50%  
Securities Held-to-Maturity, Amortized Cost 155 240
Securities held-to-maturity, fair value 155 241
Obligations Of U.S. Treasury And Other U.S. Government Sponsored Entities [Member]
    
Schedule of Investments [Line Items]    
Securities Available-for-Sale, Due one through five years, Amortized cost 50,000  
Securities Available-for-Sale, Due one through five years, Fair value 47,883  
Available for Sale Securities Debt Maturities After One Through Five Years Weighted Avg Yield 2.00%  
Securities Available-for-Sale, Due five through ten years, Amortized cost 396,883  
Securities Available-for-Sale, Due five through ten years, Fair value 376,447  
Available for Sale Securities Debt Maturities After Five Through Ten Years Weighted Avg Yield 2.40%  
Available-for-sale Securities, Debt Maturities, after Ten Years, Amortized Cost Basis 123,750  
Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value 114,686  
Available for Sale Securities Debt Maturities After Ten Years Weighted Avg Yield 1.70%  
Securities Available-for-Sale, Total, Amortized cost 570,633  
Securities Available-for-Sale, Total Fair value 539,016 525,136
Available for Sale Securities Weighted Avg Yield 2.20%  
U.S. Government Sponsored Entities Asset-Backed Securities [Member]
    
Schedule of Investments [Line Items]    
Securities Available-for-Sale, Total, Amortized cost 643,669  
Securities Available-for-Sale, Total Fair value 644,673 648,471
Available for Sale Securities Weighted Avg Yield 2.50%  
Securities Held-to-Maturity, Amortized Cost 171,781 181,821
Securities held-to-maturity, fair value $ 175,222 $ 187,161
Held to Maturity Securities weighted avg yield 3.70%