Consolidated Statements of Income (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Income Statement [Abstract]
Reclassification from accumulated other comprehensive income	$ 2	$ 0	$ 544	$ 502
Tax effect on amount reclassified from accumulated Other comprehensive income	$ 1	$ 0	$ 210	$ 194