Warrant Liabilities - Summary of outstanding warrants (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended			19 Months Ended
	Dec. 31, 2021		Dec. 31, 2020	Dec. 31, 2021	Jan. 19, 2021	Jul. 01, 2020	May 29, 2020
Class of Warrant or Right [Roll Forward]
Fair Value Adjustments	$ (14,426)		$ 3,767
Transfers to an Unrelated Third Party	$ 294	[1]	$ 581
Warrant liabilities
Class of Warrant or Right [Roll Forward]
Beginning balance (in shares)	22,610,316		12,721,901
Beginning balance	$ 15,389		$ 18
Warrant Issuances (in shares)			10,240,000
Warrant Issuances			$ 12,185
Fair Value Adjustments	$ (14,426)		$ 3,767
Exercises of warrants (in shares)	(409,585)		(351,585)
Exercises of warrants	$ (294)		$ (581)
Ending balance (in shares)	22,200,731		22,610,316	22,200,731
Ending balance	$ 669		$ 15,389	$ 669
Outstanding warrants (in shares)	22,200,731		22,610,316	22,200,731
5-Year Private Warrants
Class of Warrant or Right [Roll Forward]
Beginning balance (in shares)	9,888,415		0
Beginning balance	$ 15,326		$ 0
Warrant Issuances (in shares)			10,240,000
Warrant Issuances			$ 12,185
Fair Value Adjustments	$ (14,368)		$ 3,722
Exercises of warrants (in shares)	(409,585)		(351,585)
Transfers to an Unrelated Third Party (in shares)	409,585		351,585	761,170
Exercises of warrants	$ (294)		$ (581)
Ending balance (in shares)	9,478,830		9,888,415	9,478,830
Ending balance	$ 664		$ 15,326	$ 664
Warrants, exercise price (in dollars per share)	$ 11.50			$ 11.50
Warrant term	5 years			5 years
Outstanding warrants (in shares)	9,478,830		9,888,415	9,478,830
Seller Warrants
Class of Warrant or Right [Roll Forward]
Beginning balance (in shares)	12,721,901		12,721,901
Beginning balance	$ 63		$ 18
Warrant Issuances (in shares)			0
Warrant Issuances			$ 0
Fair Value Adjustments	$ (58)		$ 45
Exercises of warrants (in shares)	0		0
Exercises of warrants	$ 0		$ 0
Ending balance (in shares)	12,721,901		12,721,901	12,721,901
Ending balance	$ 5		$ 63	$ 5
Warrants, exercise price (in dollars per share)	$ 40.31		$ 41.26	$ 40.31	$ 40.31	$ 44.82
Warrant term	7 years			7 years
Outstanding warrants (in shares)	12,721,901		12,721,901	12,721,901		12,700,000	12,700,000

[1] Retroactively restated January 1, 2020 and March 31, 2020 for the reverse recapitalization as described in Note 2 - Summary of Significant Accounting Policies, and the restated reclassification of the Company's 5-Year Private Warrants as described in Note 12 - Warrant Liabilities.