XML 53 R41.htm IDEA: XBRL DOCUMENT v3.19.2
Securities - Available for Sale Securities Amortized Cost and Estimated Fair Value (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Amortized Cost    
Amortized Cost $ 1,190,869 $ 1,363,902
Fair Value    
Total 1,189,246 1,332,658
Total available-for-sale securities    
Amortized Cost    
Due in one year or less 100,288 78,160
Due after one year through five years 216,859 355,499
Due after five years through ten years 101,881 139,560
Due after ten years 12,003 9,201
Amortized Cost 431,031 582,420
Fair Value    
Due in one year or less 100,208 77,930
Due after one year through five years 218,049 350,470
Due after five years through ten years 102,879 136,734
Due after ten years 12,019 8,668
Total 433,155 573,802
Mortgage-backed securities    
Amortized Cost    
Amortized Cost 759,838 781,482
Fair Value    
Total $ 756,091 $ 758,856