XML 33 R30.htm IDEA: XBRL DOCUMENT v2.4.0.8
Investment Securities (Details) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Dec. 31, 2013
Investment Securities      
Total investment securities available-for-sale, Amortized Cost $ 826,007   $ 822,163
Gross Unrealized Gains 20,480   19,480
Gross Unrealized Losses (6,890)   (8,943)
Investment securities, available-for-sale 839,597   832,700
Contractual maturities of investments in debt securities available-for-sale, Amortized Cost      
Due in one year or less 37,524    
Due after one year through five years 400,315    
Due after five years through ten years 117,501    
Due after ten years 2,382    
Mortgage-backed securities 266,392    
Total debt securities available-for-sale 824,114    
Contractual maturities of investments in debt securities available-for-sale, Fair Value      
Due in one year or less 38,027    
Due after one year through five years 404,908    
Due after five years through ten years 116,329    
Due after ten years 2,362    
Mortgage-backed securities 269,520    
Total debt securities available-for-sale 831,146    
Other-than-temporary-impairment (OTTI) write-downs 0 0  
Gross realized gains and losses      
Gross realized gains 963 0  
Gross realized losses 0 0  
Net realized gains (losses) 963 0  
U.S. Treasury and Federal agencies securities
     
Investment Securities      
Total investment securities available-for-sale, Amortized Cost 400,973   394,558
Gross Unrealized Gains 4,440   5,008
Gross Unrealized Losses (4,023)   (4,527)
Investment securities, available-for-sale 401,390   395,039
U.S. States and political subdivisions securities
     
Investment Securities      
Total investment securities available-for-sale, Amortized Cost 124,174   120,416
Gross Unrealized Gains 3,775   3,670
Gross Unrealized Losses (555)   (847)
Investment securities, available-for-sale 127,394   123,239
Mortgage-backed securities - Federal agencies
     
Investment Securities      
Total investment securities available-for-sale, Amortized Cost 266,392   273,495
Gross Unrealized Gains 5,395   5,148
Gross Unrealized Losses (2,267)   (3,563)
Investment securities, available-for-sale 269,520   275,080
Corporate debt securities
     
Investment Securities      
Total investment securities available-for-sale, Amortized Cost 31,875   30,828
Gross Unrealized Gains 308   241
Gross Unrealized Losses (43)   (4)
Investment securities, available-for-sale 32,140   31,065
Foreign government and other securities
     
Investment Securities      
Total investment securities available-for-sale, Amortized Cost 700   700
Gross Unrealized Gains 2   9
Gross Unrealized Losses 0   0
Investment securities, available-for-sale 702   709
Total debt securities
     
Investment Securities      
Total investment securities available-for-sale, Amortized Cost 824,114   819,997
Gross Unrealized Gains 13,920   14,076
Gross Unrealized Losses (6,888)   (8,941)
Investment securities, available-for-sale 831,146   825,132
Marketable equity securities
     
Investment Securities      
Total investment securities available-for-sale, Amortized Cost 1,893   2,166
Gross Unrealized Gains 6,560   5,404
Gross Unrealized Losses (2)   (2)
Investment securities, available-for-sale $ 8,451   $ 7,568