Description of Business and Basis of Presentation (Tables)

3 Months Ended

Mar. 31, 2019

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Schedule of Unaudited Pro forma Condensed Consolidated Balance Sheet

	Actual March 31, 2019			Pro Forma Adjustments			Pro Forma March 31, 2019
	(in thousands)
Assets
Total current assets	$	1,380,412		$	2,489,638		$	3,870,050
Total noncurrent assets		1,860,495			(7,690	)		1,852,805
Total assets	$	3,240,907		$	2,481,948		$	5,722,855
Liabilities, Redeemable Convertible Preferred Stock and Stockholders’ Equity (Deficit)
Total liabilities	$	2,020,478		$	(2,240	)	$	2,018,238
Redeemable convertible preferred stock		5,152,047			(5,152,047	)		—
Stockholders’ equity (deficit)
Class A common stock	—			2				2
Class B common stock	—			—				—
Additional paid-in capital		149,999			7,636,233			7,786,232
Accumulated other comprehensive income		2,186		—				2,186
Accumulated deficit		(4,083,803	)	—				(4,083,803	)
Total stockholders’ equity (deficit)		(3,931,618	)		7,636,235			3,704,617
Total liabilities, redeemable convertible preferred stock and stockholders’ equity (deficit)	$	3,240,907		$	2,481,948		$	5,722,855