Consolidated Statements of Comprehensive Income (Parentheticals) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Unrealized (losses) gains on securities available-for-sale, tax	$ (531)	$ (1,171)	$ (839)
Unrealized (losses) gains on hedging instruments, tax	112	24	(41)
Minimum pension liability adjustment, tax	(9)	1	61
Reclassification adjustment for impairment of equity security realized in income, tax	0	0	36
Reclassification adjustment for securities losses reclassified out of other comprehensive income into loss on sale	$ 81	$ 0	$ 0