Reverse Recapitalization (Details)			9 Months Ended
	Aug. 12, 2021 USD ($) tradingDay $ / shares	Jul. 15, 2021 USD ($) $ / shares shares	Sep. 30, 2021 USD ($) $ / shares	Sep. 30, 2020 USD ($)	Aug. 13, 2021 $ / shares	Dec. 31, 2020 USD ($) $ / shares
Schedule of Reverse Recapitalization [Line Items]
Percentage of voting interest sold	100.00%
Additional funding received in connection with business combination	$ 247,300,000
Proceeds from issuance of common stock upon Merger	137,300,000		$ 137,282,000	$ 0
Proceeds from PIPE		$ 110,000,000	$ 110,000,000	$ 0
Payments for transaction costs	27,800,000
Costs recorded to other expenses related to liability classified warrants	$ 4,800,000
Exchange ratio	0.2467416
Common stock, par value (in dollars per share) | $ / shares			$ 0.00001			$ 0.00001
Non-transfer period under lock-up agreements	6 months
Closing price of common stock (in dollars per share) | $ / shares	$ 12.00
Number of trading days | tradingDay	20
Number of consecutive trading days | tradingDay	30
Number of shares sold (in shares) | shares		11,000,000
Purchase price (in dollars per share) | $ / shares		$ 10.00
Estimated fair value of warrants		$ 30,500,000	$ 33,254,000			$ 3,206,000
Private Warrant
Schedule of Reverse Recapitalization [Line Items]
Purchase price (in dollars per share) | $ / shares		$ 11.50
Common Class A
Schedule of Reverse Recapitalization [Line Items]
Exchange ratio	1
Common stock, par value (in dollars per share) | $ / shares			$ 0.00001		$ 0.00001