Income Taxes - Schedule of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Federal	$ (568)	$ 949	$ 8,525
State	4,003	1,504	8,307
Foreign	84	1,737	1,332
Total current	3,519	4,190	18,164
Federal	(11,905)	2,730	(10,241)
State	(4,589)	(5,889)	(1,401)
Foreign	(4,879)	(2,364)	(2,049)
Total deferred	(21,373)	(5,523)	(13,691)
Total income tax expense (benefit)	$ (17,854)	$ (1,333)	$ 4,473