XML 59 R46.htm IDEA: XBRL DOCUMENT v3.6.0.2
Investment Securities - Other Than Temporarily Impaired Debt Securities (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2016
USD ($)
security
Dec. 31, 2015
USD ($)
security
Dec. 31, 2014
USD ($)
Schedule of Available-for-sale Securities and Held-to-maturity Securities [Line Items]      
Number of securities considered other than temporarily impaired | security 0    
Other-than-temporary impairment on securities available-for-sale $ 0 $ 0 $ 13
Number of investment securities in unrealized loss positions | security 134 54  
Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract]      
Held-to-maturity, Less than 12 continuous months, Fair value $ 9,130 $ 14,152  
Held-to-maturity, Less than 12 continuous months, Unrealized loss (161) (41)  
Held-to-maturity, Greater than 12 continuous months, Fair value 0 1,999  
Held-to-maturity, Greater than 12 continuous months, Unrealized loss 0 (1)  
Held-to-maturity, Total securities in a loss position, Fair value 9,130 16,151  
Held-to-maturity, Total securities in a loss position, Unrealized loss (161) (42)  
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]      
Available-for-sale, Less than 12 continuous months, Fair value 284,314 221,857  
Available-for-sale, Less than 12 continuous months, Unrealized loss (6,197) (1,273)  
Available-for-sale, Greater than 12 continuous months, Fair value 9,946 17,987  
Available-for-sale, Greater than 12 continuous months, Unrealized loss (52) (233)  
Available-for-sale, Total securities in a loss position, Fair value 294,260 239,844  
Available-for-sale, Total securities in a loss position, Unrealized loss (6,249) (1,506)  
Available-for-sale and Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract] [Abstract]      
Total temporarily impaired securities, Less than 12 continuous months, Fair value 293,444 236,009  
Total temporarily impaired securities, Less than 12 continuous months, Unrealized loss (6,358) (1,314)  
Total temporarily impaired securities, Greater than 12 continuous months, Fair value 9,946 19,986  
Total temporarily impaired securities, Greater than 12 continuous months, Unrealized loss (52) (234)  
Total temporarily impaired securities, Total securities in a loss position, Fair value 303,390 255,995  
Total temporarily impaired securities, Total securities in a loss position, Unrealized loss $ (6,410) (1,548)  
Number of securities in continuous loss position for more than 12 months | security 1    
Number of securities in continuous loss position for less than 12 months | security 133    
Net loss on sale of available for sale securities sold $ 64 1 $ 28
MBS pass-through securities      
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]      
Available-for-sale, Less than 12 continuous months, Fair value 162,016 68,809  
Available-for-sale, Less than 12 continuous months, Unrealized loss (3,577) (454)  
Available-for-sale, Greater than 12 continuous months, Fair value 0  
Available-for-sale, Greater than 12 continuous months, Unrealized loss 0  
Available-for-sale, Total securities in a loss position, Fair value 162,016 68,809  
Available-for-sale, Total securities in a loss position, Unrealized loss $ (3,577) (454)  
Available-for-sale and Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract] [Abstract]      
Number of securities in continuous loss position for less than 12 months | security 31    
Collateralized Mortgage Obligations      
Available-for-sale and Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract] [Abstract]      
Number of securities in continuous loss position for less than 12 months | security 13    
CMOs issued by FNMA      
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]      
Available-for-sale, Less than 12 continuous months, Fair value $ 9,498 9,277  
Available-for-sale, Less than 12 continuous months, Unrealized loss (109) (80)  
Available-for-sale, Greater than 12 continuous months, Fair value 3,158  
Available-for-sale, Greater than 12 continuous months, Unrealized loss (64)  
Available-for-sale, Total securities in a loss position, Fair value 9,498 12,435  
Available-for-sale, Total securities in a loss position, Unrealized loss (109) (144)  
CMOs issued by FHLMC      
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]      
Available-for-sale, Less than 12 continuous months, Fair value 31,545 0  
Available-for-sale, Less than 12 continuous months, Unrealized loss (731) 0  
Available-for-sale, Greater than 12 continuous months, Fair value 1,989  
Available-for-sale, Greater than 12 continuous months, Unrealized loss (39)  
Available-for-sale, Total securities in a loss position, Fair value 31,545 1,989  
Available-for-sale, Total securities in a loss position, Unrealized loss (731) (39)  
CMOs issued by GNMA      
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]      
Available-for-sale, Less than 12 continuous months, Fair value 1,583 164  
Available-for-sale, Less than 12 continuous months, Unrealized loss (1) 0  
Available-for-sale, Greater than 12 continuous months, Fair value 2,374  
Available-for-sale, Greater than 12 continuous months, Unrealized loss (15)  
Available-for-sale, Total securities in a loss position, Fair value 1,583 2,538  
Available-for-sale, Total securities in a loss position, Unrealized loss (1) (15)  
Debentures of government-sponsored agencies      
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]      
Available-for-sale, Less than 12 continuous months, Fair value 19,951 136,064  
Available-for-sale, Less than 12 continuous months, Unrealized loss (38) (713)  
Available-for-sale, Greater than 12 continuous months, Fair value 9,946 9,887  
Available-for-sale, Greater than 12 continuous months, Unrealized loss (52) (113)  
Available-for-sale, Total securities in a loss position, Fair value 29,897 145,951  
Available-for-sale, Total securities in a loss position, Unrealized loss $ (90) (826)  
Available-for-sale and Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract] [Abstract]      
Number of securities in continuous loss position for less than 12 months | security 1    
Obligations of state and political subdivisions      
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]      
Available-for-sale, Less than 12 continuous months, Fair value $ 59,567 4,557  
Available-for-sale, Less than 12 continuous months, Unrealized loss (1,740) (15)  
Available-for-sale, Greater than 12 continuous months, Fair value 579  
Available-for-sale, Greater than 12 continuous months, Unrealized loss (2)  
Available-for-sale, Total securities in a loss position, Fair value 59,567 5,136  
Available-for-sale, Total securities in a loss position, Unrealized loss $ (1,740) (17)  
Available-for-sale and Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract] [Abstract]      
Number of securities in continuous loss position for less than 12 months | security 86    
Corporate bonds      
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]      
Available-for-sale, Less than 12 continuous months, Fair value   2,986  
Available-for-sale, Less than 12 continuous months, Unrealized loss   (11)  
Available-for-sale, Greater than 12 continuous months, Fair value   0  
Available-for-sale, Greater than 12 continuous months, Unrealized loss   0  
Available-for-sale, Total securities in a loss position, Fair value   2,986  
Available-for-sale, Total securities in a loss position, Unrealized loss   (11)  
Available-for-sale and Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract] [Abstract]      
Number of securities in continuous loss position for less than 12 months | security 1    
Privately-issued CMOs      
Available-for-sale Securities, Continuous Unrealized Loss Position [Abstract]      
Available-for-sale, Less than 12 continuous months, Fair value $ 154    
Available-for-sale, Less than 12 continuous months, Unrealized loss (1)    
Available-for-sale, Greater than 12 continuous months, Fair value    
Available-for-sale, Greater than 12 continuous months, Unrealized loss    
Available-for-sale, Total securities in a loss position, Fair value 154    
Available-for-sale, Total securities in a loss position, Unrealized loss $ (1)    
Available-for-sale and Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract] [Abstract]      
Number of securities in continuous loss position for less than 12 months | security 1    
MBS pass-through securities      
Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract]      
Held-to-maturity, Less than 12 continuous months, Fair value $ 2,250 2,332  
Held-to-maturity, Less than 12 continuous months, Unrealized loss (154) (7)  
Held-to-maturity, Greater than 12 continuous months, Fair value 0  
Held-to-maturity, Greater than 12 continuous months, Unrealized loss 0  
Held-to-maturity, Total securities in a loss position, Fair value 2,250 2,332  
Held-to-maturity, Total securities in a loss position, Unrealized loss (154) (7)  
Obligations of state and political subdivisions      
Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract]      
Held-to-maturity, Less than 12 continuous months, Fair value 3,362 8,297  
Held-to-maturity, Less than 12 continuous months, Unrealized loss (6) (19)  
Held-to-maturity, Greater than 12 continuous months, Fair value 0  
Held-to-maturity, Greater than 12 continuous months, Unrealized loss 0  
Held-to-maturity, Total securities in a loss position, Fair value 3,362 8,297  
Held-to-maturity, Total securities in a loss position, Unrealized loss (6) (19)  
Corporate bonds      
Held-to-maturity Securities, Continuous Unrealized Loss Position [Abstract]      
Held-to-maturity, Less than 12 continuous months, Fair value 3,518 3,523  
Held-to-maturity, Less than 12 continuous months, Unrealized loss (1) (15)  
Held-to-maturity, Greater than 12 continuous months, Fair value 1,999  
Held-to-maturity, Greater than 12 continuous months, Unrealized loss (1)  
Held-to-maturity, Total securities in a loss position, Fair value 3,518 5,522  
Held-to-maturity, Total securities in a loss position, Unrealized loss $ (1) $ (16)