Stock-Based Compensation - Valuation (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Stock-Based Compensation
Non-cash stock-based compensation expense recognized	$ 51,680	$ 64,954	$ 14,262
Black-Scholes option valuation model, assumptions
Dividend yield (as a percent)	0.00%
Stock options | Minimum
Black-Scholes option valuation model, assumptions
Risk free interest rate (as a percent)	0.44%	0.17%	1.51%
Volatility factor (as a percent)	40.62%	28.91%	28.86%
Expected term of options	5 years 6 months	3 years 3 months 18 days	4 years 3 months 18 days
Fair value of options granted (in dollars per share)	$ 12.46	$ 5.50	$ 7.58
Stock options | Maximum
Black-Scholes option valuation model, assumptions
Risk free interest rate (as a percent)	1.02%	1.72%	2.53%
Volatility factor (as a percent)	43.48%	48.08%	32.08%
Expected term of options	5 years 7 months 6 days	5 years 6 months	5 years 6 months
Fair value of options granted (in dollars per share)	$ 18.23	$ 12.10	$ 12.45