Income Taxes - Benefits (Provision) for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current
Federal	$ 0	$ 0	$ 2,398
State	(89)	6,318	(1,737)
Foreign	(2,647)	(2,738)	(3,424)
Current income tax benefit, total	(2,736)	3,580	(2,763)
Deferred
Federal	333	2,045	(10,759)
State	125	5,673	(2,738)
Foreign	(4,782)	27,428	(2,595)
Income tax benefit, total	(4,324)	35,146	(16,092)
Total, net	$ (7,060)	$ 38,726	$ (18,855)