XML 85 R58.htm IDEA: XBRL DOCUMENT v3.6.0.2
Investment Securities (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2016
USD ($)
securities
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Available-for-sale: [Abstract]      
Amortized Cost $ 628,895 $ 516,829  
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax 2,037 5,052  
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax (11,084) (3,033)  
Fair Value 619,848 518,848  
Held-to-maturity Securities [Abstract]      
Held-to-maturity Securities 74,231 85,208  
Held-to-maturity Securities, Fair Value 73,096 85,737  
Realized Investment Gains (Losses) [Abstract]      
Proceeds from sales 70,757 19,380 $ 75,618
Gross gains 1,192 452 1,452
Gross losses 0 0 737
Income tax expense 465 176 $ 279
U.S. Treasury securities and obligations of U.S. government corporations & agencies      
Available-for-sale: [Abstract]      
Amortized Cost 138,819 90,368  
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax 13 41  
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax (2,508) (268)  
Fair Value 136,324 90,141  
Held-to-maturity Securities [Abstract]      
Held-to-maturity Securities 74,231 85,208  
Held-to-maturity Securities, Accumulated Unrecognized Holding Gain 203 743  
Held-to-maturity Securities, Accumulated Unrecognized Holding Loss (1,338) (214)  
Held-to-maturity Securities, Fair Value 73,096 85,737  
Available for Sale Securities transferred-carry value   53,600  
Available For Sale Securities Transfers To Held To Maturity Gross Losses   1,400  
Obligations of states and political subdivisions      
Available-for-sale: [Abstract]      
Amortized Cost 164,163 107,164  
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax 1,346 3,608  
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax (2,804) (55)  
Fair Value 162,705 110,717  
Mortgage-backed securities: GSE residential      
Available-for-sale: [Abstract]      
Amortized Cost 318,829 312,132  
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax 531 1,374  
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax (4,369) (1,452)  
Fair Value 314,991 312,054  
Trust preferred securities      
Available-for-sale: [Abstract]      
Amortized Cost 3,050 3,130  
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax 0 0  
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax (1,398) (1,224)  
Fair Value $ 1,652 1,906  
Held-to-maturity Securities [Abstract]      
Number of trust preferred securities | securities 1    
Maturities of Debt Securities twenty-one    
Other securities      
Available-for-sale: [Abstract]      
Amortized Cost $ 4,034 4,035  
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax 147 29  
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax (5) (34)  
Fair Value $ 4,176 $ 4,030