Stock-Based Compensation and Employee Benefit Plans - Stock-bases Compensation and Stock Options (Additional Information) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Share-based Payment Arrangement, Disclosure [Abstract]
Capitalized stock-based compensation costs	$ 0	$ 0
Stock options exercised	2,600,000	$ 9,200,000	$ 3,400,000
Exercisable, aggregate intrinsic value	$ 500,000
Granted (in dollars per share)	$ 5.60	$ 19.79
Unrecognized compensation cost related to unvested stock options	$ 41,900,000	$ 70,400,000
Expense expected to be recognized over remaining weighted-average period	2 years 9 months	2 years 9 months 18 days
Excess tax benefits	$ 0	$ 0
Cash received from Stock options exercised	1,500,000	1,600,000
Employee Stock Option
Share-based Payment Arrangement, Disclosure [Abstract]
Allocated share-based compensation expense	36,200,000	33,300,000	29,200,000
Restricted Stock
Share-based Payment Arrangement, Disclosure [Abstract]
Allocated share-based compensation expense	$ 141,300,000	$ 142,400,000	$ 1,300,000
Cost not yet recognized, period for recognition	1 year 1 month 6 days	9 months 18 days
Class A common stock
Share-based Payment Arrangement, Disclosure [Abstract]
Granted options (in shares)	4,956,064
Common Class A and B
Share-based Payment Arrangement, Disclosure [Abstract]
Granted options (in shares)		4,202,284