Income Taxes - Effective Income Tax Rate Reconciliation (Details)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Effective Income Tax Rate Reconciliation, Percent [Abstract]
Federal statutory income tax rate	21.00%	21.00%	21.00%
State taxes, net of federal benefit	4.50%	4.80%	5.10%
Effect of law and rate changes	(1.70%)	(0.80%)	0.40%
Change in valuation allowance	(10.70%)	(2.60%)	(1.80%)
Foreign taxes, net of federal benefit	0.10%	0.30%	0.30%
Permanent differences	0.30%	0.40%	0.60%
Federal tax credits, net of reserves	(2.50%)	(0.90%)	(0.80%)
Equity-based compensation	(2.60%)	(2.50%)	(0.60%)
Non-deductible compensation	1.50%	2.30%	0.60%
Other, net	(0.10%)	0.30%	(0.10%)
Effective income tax rate	9.80%	22.30%	24.70%