Income Taxes - Schedule of Provision (Benefit) for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Current:
Federal	$ 14,435	$ 15,324	$ 14,362
State	1,275	2,227	1,086
Foreign	1,129	686	1,120
Deferred:
Federal	922	(2,568)	(1,323)
State	151	(353)	208
Foreign	(363)	(102)	(219)
Provision for income taxes	$ 17,549	$ 15,214	$ 15,234