SECURITIES: (Details 2) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Amortized Cost
Due in one year or less	$ 13,911
Due after one but within five years	60,624
Due after five but within ten years	61,255
Due after ten years	228,199
Total of securities having specified maturity period	363,989
Mortgage-backed securities and collateralized mortgage obligations	543,586
TOTAL	907,575	$ 793,084
Fair Value
Due in one year or less	13,949
Due after one but within five years	61,502
Due after five but within ten years	63,193
Due after ten years	241,276
Total of securities having specified maturities period	379,920
Mortgage-backed securities and collateralized mortgage obligations	546,797
TOTAL	$ 926,717	$ 784,916