Stock-Based Compensation Expense and Employee Benefit Plans - Stock Option and Stock Activity (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Outstanding Options/RSUs, Number of Shares
Outstanding (in shares)	15,354,271	17,837,316
Exercised (in shares)	(3,460,364)	(1,341,324)
Cancelled (in shares)	(1,156,612)	(1,341,721)
Outstanding (in shares)	10,737,295	15,354,271	17,837,316
Outstanding Options Weighted Average Exercise Price
Outstanding (in dollars per share)	$ 21.27	$ 20.76
Granted (in dollars per share)		7.30
Exercised (in dollars per share)	23.05	11.18
Cancelled (in dollars per share)	16.33	22.49
Outstanding (in dollars per share)	$ 21.23	$ 21.27	$ 20.76
Outstanding, remaining contractual life	5 years 2 months 12 days	6 years	6 years 10 months 24 days
Outstanding, aggregate intrinsic value	$ 60,304	$ 129,855	$ 14,964
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Vested and expected to vest (in shares)	10,620,061
Exercisable (in shares)	8,858,957
Vested and expected to vest, weighted average exercise price (in dollars per share)	$ 21.36
Exercisable, weighted average exercise price (in dollars per share)	$ 23.67
Vested and expected to vest, remaining contractual life	5 years 2 months 12 days
Exercisable, remaining contractual life	4 years 9 months 18 days
Vested and expected to vest, aggregate intrinsic value	$ 58,772
Exercisable, aggregate intrinsic value	$ 36,441