Income Taxes - Income Tax Provision (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current
Federal	$ (61,951)	$ 2,768	$ 78,806
State	509	(1,677)	1,706
Foreign	0	32	89
Total	(61,442)	1,123	80,601
Deferred
Federal	195	(40,345)	(105,006)
State	30	(2,093)	(9,785)
Foreign	209	5,042	(458)
Total	434	(37,396)	(115,249)
Total
Federal	(61,756)	(37,577)	(26,200)
State	539	(3,770)	(8,079)
Foreign	209	5,074	(369)
Income tax (benefit)	$ (61,008)	$ (36,273)	$ (34,648)