Warrants - Narrative (Details)				9 Months Ended	12 Months Ended	21 Months Ended
	Oct. 06, 2020 tradingDay $ / shares shares	May 29, 2020 tradingDay $ / shares shares	May 28, 2020 shares	Sep. 30, 2021 $ / shares shares	Dec. 31, 2020 shares	Sep. 30, 2021 $ / shares shares	Jan. 19, 2021 $ / shares shares	Oct. 22, 2015 shares
5-Year Private Warrants
Class of Warrant or Right [Line Items]
Warrants issued (in shares)		2,500,000	7,740,000
Number of securities called by warrants (in shares)			7,740,000
Transfers to an Unrelated Third Party (in shares)				394,863	351,585	746,448
Warrants, exercise price (in dollars per share) | $ / shares				$ 11.50		$ 11.50
Outstanding warrants (in shares)				9,493,552	9,888,415	9,493,552
Seller Warrants
Class of Warrant or Right [Line Items]
Number of securities called by warrants (in shares)							3,569,129
Transfers to an Unrelated Third Party (in shares)				0
Warrants, exercise price (in dollars per share) | $ / shares				$ 40.31		$ 40.31	$ 40.31
Number of securities called by each warrant (in shares)							0.28055
Outstanding warrants (in shares)		12,700,000		12,721,901	12,721,901	12,721,901		12,721,901
5-Year Public Warrants
Class of Warrant or Right [Line Items]
Warrants issued (in shares)		3,249,999
Transfers to an Unrelated Third Party (in shares)				(394,863)
Warrants, exercise price (in dollars per share) | $ / shares				$ 11.50		$ 11.50
Outstanding warrants (in shares)				24,796,346	24,401,483	24,796,346
Units issued (in shares)			20,800,000
Number of shares called by each unit			1
Number of warrants called by each unit (in shares)			1
Share price threshold to call warrants (in dollars per share) | $ / shares		$ 18.00
Warrants, threshold trading days | tradingDay		20
Warrants, trading day period | tradingDay		30
Public Offering Warrants
Class of Warrant or Right [Line Items]
Transfers to an Unrelated Third Party (in shares)				0
Warrants, exercise price (in dollars per share) | $ / shares				$ 10.50		$ 10.50
Number of securities called by each warrant (in shares)	1
Outstanding warrants (in shares)				9,583,334	9,583,334	9,583,334
Units issued (in shares)	9,583,334
Number of shares called by each unit	1
Number of warrants called by each unit (in shares)	1
Share price threshold to call warrants (in dollars per share) | $ / shares	$ 17.00
Warrants, threshold trading days | tradingDay	20
Warrants, trading day period | tradingDay	30
Units issued, related party (in shares)	5,000,000