Income Taxes - Income Before Tax and Provision for Tax (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest [Abstract]
U.S. operations	$ (103,080)	$ 659,937	$ 70,484
Non-U.S. operations	(12,902)	36,426	42,680
Income (loss) before income taxes and noncontrolling interest	(115,982)	696,363	113,164
Current provision (benefit)
Federal	(1,861)	49,047	(9,991)
State and Local	4,362	18,697	65
Foreign	3,675	4,276	1,219
Deferred provision (benefit)
Federal	(13,422)	4,986	106,415
State and Local	(1,455)	(1,599)	(3,380)
Foreign	(3,576)	764	(62)
Provision for income taxes	$ (12,277)	$ 76,171	$ 94,266