Income Taxes - Schedule of Reconciliation of the Beginning and Ending Amount of Reserve for Uncertain Tax Positions(Excluding Interest and Penalties) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Reconciliation of reserve for uncertain tax positions, Excluding Amounts Pertaining to Examined Tax Returns
Beginning Balance	$ 315,279	$ 301,558	$ 252,434
Additions for tax positions taken in current year	19,431	8,459	50,469
Additions for tax positions taken in prior years	8,929	14,396	8,978
Reductions for tax positions taken in prior years	(84,051)	(9,134)	(10,323)
Ending Balance	$ 259,588	$ 315,279	$ 301,558