SECURITIES: (Details 2) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Amortized Cost
Due in one year or less	$ 3,504
Due after one but within five years	50,148
Due after five but within ten years	87,829
Due after ten years	98,659
Total of securities having specified maturity period	240,140
Mortgage-backed securities and collateralized mortgage obligations	615,381
TOTAL	855,521	$ 876,796
Fair Value
Due in one year or less	3,528
Due after one but within five years	51,043
Due after five but within ten years	90,009
Due after ten years	99,960
Total of securities having specified maturities period	244,540
Mortgage-backed securities and collateralized mortgage obligations	609,185
TOTAL	$ 853,725	$ 891,082