CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Other comprehensive income, net of tax:
Unrealized holding gains arising during the period, tax	$ 64	$ 172	$ 70	$ 613
Less: reclassification adjustment due to losses (gains) realized on sales of securities, tax	0	0	6	(6)
Directors' and officer's retirement plan equity adjustments, tax	$ 0	$ 0	$ (31)	$ 0