Taxes - Constituents of Provision for Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current:
Federal	$ 15,854	$ 10,624	$ 78,152
State	2,108	(879)	2,687
Foreign	30,670	6,307	7,624
Current income tax expense (benefit), Total	48,632	16,052	88,463
Deferred:
Federal	352,808	(1,271)	1,569
State	183	554	(639)
Foreign	(442,494)	(28)	359
Deferred income tax expense (benefit), Total	(89,503)	(745)	1,289
Income tax expense (benefit), continuing operations, Total	$ (40,871)	$ 15,307	$ 89,752