Income Taxes - Narrative (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Tax Disclosure [Abstract]
Statutory tax rate	21.00%	21.00%	21.00%
Valuation allowance	$ 130,569,000	$ 69,222,000
Operating Loss Carryforwards [Line Items]
Interest and penalties accrued	0	0
Unrecognized tax benefits that would impact effective tax rate, if recognized	0
United States
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	469,600,000
Net operating loss carryforwards, not subject to expiration	426,900,000
Net operating loss carryforwards, subject to expiration	42,700,000
United States | Research Tax Credit Carryforward
Operating Loss Carryforwards [Line Items]
Research and development tax credit carryforwards	10,500,000	$ 8,000,000
U.S. State
Operating Loss Carryforwards [Line Items]
Net operating loss carryforwards	$ 420,600,000