Income Taxes - Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Sep. 30, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current:
Federal		$ 961	$ (121,411)	$ (36,591)
Foreign		40,823	133,810	159,876
State and local		(4,754)	5,343	4,295
Total current		37,030	17,742	127,580
Deferred:
Federal		0	17,451	325,351
Foreign		(20,541)	(19,337)	9,593
State and local		0	0	19,441
Total deferred		(20,541)	(1,886)	354,385
Total income tax expense		16,489	$ 15,856	$ 481,965
Proceeds from income tax refunds	$ 49,000
Expected refund in next fiscal year		$ 72,000