XML 42 R31.htm IDEA: XBRL DOCUMENT v3.7.0.1
SECURITIES (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
Securities Available-for-Sale      
Par $ 337,428   $ 371,785
Amortized Cost 261,274   304,628
Estimated Fair Value 271,477   229,206
Net realized and unrealized gains (losses)      
Net realized gains (losses) 1,856 $ (1,593)  
Net (increase) decrease in unrealized losses 84,995 (50,126)  
Net realized and unrealized gains (losses) 86,851 $ (51,719)  
Securities, at estimated fair value      
Securities Available-for-Sale      
Par 337,428   371,785
Amortized Cost 261,274   304,628
Estimated Fair Value $ 271,477   $ 229,206