Consolidated Statements of Comprehensive Income (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Net unrealized holding gain (loss) from available for sale securities arising during the period, tax	$ 2,305	$ (5,765)	$ (13,225)	$ (4,647)
Reclassification adjustment of net gain from sale of available for sale securities included in income, tax	208	85	426	471
Net unrealized loss from unfunded defined benefit plan liability arising during the period, tax	0	0	0	159
Less: amortization of unrecognized net actuarial loss included in net periodic pension cost, tax	$ (60)	$ (35)	$ (182)	$ (87)