XML 72 R57.htm IDEA: XBRL DOCUMENT v3.10.0.1
Securities (Summary of Book Values and Fair Values of Investment Securities) (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Securities available for sale:    
Amortized Cost $ 513,741 $ 345,482
Fair Value 501,351 343,270
Unrealized Gain 178 758
Unrealized (Losses) (12,568) (2,969)
Securities held to maturity:    
Amortized Cost 101,237 118,503
Fair Value 99,906 118,998
Unrealized Gain 525 1,280
Unrealized (Losses) (1,856) (785)
Government-sponsored enterprise securities [Member]    
Securities available for sale:    
Amortized Cost 82,995 14,000
Fair Value 82,662 13,867
Unrealized Gain 63
Unrealized (Losses) (396) (133)
Mortgage-backed securities [Member]    
Securities available for sale:    
Amortized Cost 396,995 297,690
Fair Value 385,551 295,213
Unrealized Gain 39 246
Unrealized (Losses) (11,483) (2,722)
Securities held to maturity:    
Amortized Cost 52,048 63,829
Fair Value 50,241 63,092
Unrealized Gain
Unrealized (Losses) (1,807) (737)
State and local governments [Member]    
Securities held to maturity:    
Amortized Cost 49,189 54,674
Fair Value 49,665 55,906
Unrealized Gain 525 1,280
Unrealized (Losses) (49) (48)
Corporate bonds [Member]    
Securities available for sale:    
Amortized Cost 33,751 33,792
Fair Value 33,138 34,190
Unrealized Gain 76 512
Unrealized (Losses) $ (689) $ (114)