Accounting for Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Disclosure Accounting For Income Taxes Additional Information [Abstract]
One-time tax benefit from intra-entity transfer of certain assets			$ 1,493,500
Provision for (benefit from) income taxes	$ (32,891)	$ 43,121	$ (1,497,667)	$ 51,917
Effective income tax rate, continuing operations	44.80%	22.20%	7437.00%	18.60%
Unrecognized tax benefits	$ 57,000		$ 57,000		$ 46,700
Deferred tax liabilities	$ 35,400		$ 35,400
Undistributed earnings of foreign subsidiaries					$ 452,600