Income Taxes - Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Current:
Federal	$ 1,404	$ 2,430	$ 6,724
State	1,832	1,852	1,323
Foreign	768	745	46
Total current income taxes	4,004	5,027	8,093
Deferred:
Federal	5,455	(19,822)	1,846
State	(909)	(3,430)	(1,255)
Foreign	(10,663)	(7,781)	(5,464)
Total deferred income taxes	(6,117)	(31,033)	(4,873)
Total provision for (benefit from) income taxes	$ (2,113)	$ (26,006)	$ 3,220