Income Taxes (Tables)

9 Months Ended

Sep. 30, 2019

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit)

	Three Months Ended						Nine Months Ended
	September 30, 2019			September 30, 2018			September 30, 2019			September 30, 2018
	(in thousands, except percentages)
Provision for (benefit from) income taxes	$	347,079		$	(24,025	)	$	632,952		$	29,754
Effective tax rate	34		%	(6		)%	33		%	3		%