RETIREMENT PLANS, AMOUNTS RECOGNIZED IN AOCI (Details) - Qualified noncontributory defined benefit retirement plan - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), after Tax [Abstract]
Net actuarial (gain)/loss	$ (16)	$ 233	$ 339
Past service cost	0	0	0
Total	$ (16)	$ 233	$ 339