SECURITIES: (Details 2) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Amortized Cost
Due in one year or less	$ 4,531
Due after one but within five years	56,200
Due after five but within ten years	94,236
Due after ten years	71,615
Total of securities having specified maturity period	226,582
Mortgage-backed securities and collateralized mortgage obligations	650,214
TOTAL	876,796	$ 880,946
Fair Value
Due in one year or less	4,649
Due after one but within five years	57,884
Due after five but within ten years	98,926
Due after ten years	78,816
Total of securities having specified maturities period	240,275
Mortgage-backed securities and collateralized mortgage obligations	650,807
TOTAL	$ 891,082	$ 897,053