Income Taxes - Reconciliation of Effective Tax Rate (Details)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
U.S. federal statutory income tax rate	21.00%	21.00%	21.00%
State tax rate	(2.55%)	2.77%	2.82%
Meals and entertainment	9.28%	(0.65%)	(2.83%)
Permanent differences	1.11%	(2.87%)	(2.58%)
Stock-based compensation	(13.08%)	(1.07%)	3.78%
Extinguishment of PPP loan	(44.59%)	0.00%	0.00%
Excess compensation	7.88%	0.00%	0.00%
Foreign rate differential	17.03%	(1.05%)	(0.34%)
Other	(0.08%)	0.15%	(0.33%)
General business credit	(17.95%)	2.74%	8.14%
Valuation allowance	72.82%	(25.51%)	(38.60%)
Change in prior year reserves	0.00%	0.40%	2.53%
Deferred true-up	(11.76%)	2.08%	5.71%
Effective tax rate	39.11%	(2.01%)	(0.70%)