Income Taxes - Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Current:
Federal	$ (121,411)	$ (36,591)	$ (19,199)
Foreign	140,551	163,141	115,281
State and local	5,343	4,295	12,377
Total current	24,483	130,845	108,459
Deferred:
Federal	17,451	325,351	16,800
Foreign	(23,342)	9,593	55,208
State and local	0	19,441	(7,136)
Total deferred	(5,891)	354,385	64,872
Total income tax expense	$ 18,592	$ 485,230	$ 173,331

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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