CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Statement of Comprehensive Income [Abstract]
SECURITIES: Unrealized gains (losses) arising during the period, income taxes	$ (635)	$ 22	$ (1,567)
SECURITIES: Reclassification adjustment for net gains included in net income, income taxes	(89)	(21)	0
PENSION: Amortization of pension net loss, transition liability, and prior service cost, income taxes	172	(20)	236
PENSION: Unrecognized net (loss) gain, income taxes	$ (479)	$ (1,478)	$ 1,496