XML 48 R37.htm IDEA: XBRL DOCUMENT v3.7.0.1
Investment Securities Amortized Cost and Estimated Fair Value of Available for Sale Securities (Details) - USD ($)
$ in Thousands
Mar. 31, 2017
Dec. 31, 2016
Mar. 31, 2016
Schedule of Available-for-sale Securities [Line Items]      
Amortized Cost $ 314,060 $ 301,854 $ 212,148
Unrealized Gains 1,948 1,872 4,824
Unrealized Losses (3,384) (3,310) (247)
Fair Value (Estimated) 312,624 300,416 216,725
Mortgage-backed securities      
Schedule of Available-for-sale Securities [Line Items]      
Amortized Cost 295,424 282,397 190,025
Unrealized Gains 1,407 1,334 3,837
Unrealized Losses (3,204) (3,127) (205)
Fair Value (Estimated) 293,627 280,604 193,657
State and political subdivisions      
Schedule of Available-for-sale Securities [Line Items]      
Amortized Cost 15,407 16,183 18,975
Unrealized Gains 474 475 948
Unrealized Losses (176) (176) (19)
Fair Value (Estimated) 15,705 16,482 19,904
Other equity securities      
Schedule of Available-for-sale Securities [Line Items]      
Amortized Cost 3,229 3,274 3,148
Unrealized Gains 67 63 39
Unrealized Losses (4) (7) (23)
Fair Value (Estimated) $ 3,292 $ 3,330 $ 3,164