Income Taxes - Components of Income Tax Provision (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current:
United States	$ 300	$ (5,549)	$ (11,288)
U.S. state	292	1,534	1,079
Foreign	5,958	4,877	1,305
Current, Total	6,550	862	(8,904)
Deferred:
United States	(13,972)	(2,592)	15,888
U.S. state	(473)	(95)	(729)
Foreign	(1,024)	(802)	1,183
Deferred, Total	(15,469)	(3,489)	16,342
Total income tax provision (benefit)	$ (8,919)	$ (2,627)	$ 7,438