Income Taxes (Tables)

6 Months Ended

Jun. 30, 2019

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit)

	Three Months Ended						Six Months Ended
	June 30, 2019			June 30, 2018			June 30, 2019			June 30, 2018
	(in thousands, except percentages)
Provision for income taxes	$	230,266		$	44,287		$	285,873		$	53,779
Effective tax rate	46		%	10		%	32		%	7		%