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
U.S. Federal statutory tax rate	(21.00%)	(21.00%)	(21.00%)
Deferred state taxes	(0.60%)	(2.30%)	1.36%
Common stock warrant liability	(6.00%)	13.40%	0.00%
Section 162M Disallowance	1.10%	0.00%	0.00%
Equity Compensation	(4.30%)	0.00%	0.00%
Provision to return and deferred tax asset adjustments	(1.30%)	0.00%	0.00%
Change in U.S. Federal/Foreign statutory tax rate	0.30%	0.00%	0.00%
Other, net	(1.50%)	(3.50%)	(0.48%)
Change in valuation allowance	29.90%	8.40%	20.14%
Total effective income tax rate	(3.40%)	(5.00%)	0.00%