Income Taxes - Components of Income Tax Expense (Benefit) from Continuing Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Current
U.S. federal	$ (3,530)	$ (2,960)	$ (58)
Foreign		5,812	11,752
State and local	(3,239)	10,704	11,268
Income tax expense	(6,769)	13,556	22,962
Deferred
U.S. federal	(99,976)	67,975	65,976
Foreign	(7,642)	1,169	626
State and local	(26,580)	9,242	6,291
Income tax expense	(134,199)	78,386	72,893
U.S. federal	(103,506)	65,015	65,918
Foreign	(7,642)	6,981	12,378
State and local	(29,819)	19,946	17,559
Income Tax Expense (Benefit), Total	$ (140,967)	$ 91,942	$ 95,855