Common Stock Warrants (Details) $ / shares in Units, $ in Thousands			9 Months Ended
	Dec. 16, 2020 shares	Mar. 02, 2020 $ / shares shares	Sep. 30, 2021 USD ($) day trading_day $ / shares shares	Sep. 30, 2020 USD ($)	Aug. 16, 2021 $ / shares shares
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Proceeds from exercise of common stock warrants, net of redemptions | $			$ 130,571	$ 0
Number of shares issued in private placement (in shares)	15,853,052	69,000,000	10,033,333
Warrant exercise price (in dollars per share) | $ / shares			$ 11.50
Redemption price (in dollars per share) | $ / shares			$ 0.01
Minimum number of days for written notice of redemption | trading_day			30
Warrant redemption, sale price of common stock for warrants to be redeemed (in dollars per share) | $ / shares			$ 18.00
Warrant redemption, number of trading days | trading_day			20
Warrants forfeited (in shares)			5,016,666
Class A common stock, par value $0.0001 per share
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of shares called by each warrant (in shares)		1	1
Public Warrant
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Warrants outstanding (in shares)			0
Warrants exercised (in shares)			11,361,683
Number of shares issued in private placement (in shares)		17,250,000,000,000
Warrant exercise price (in dollars per share) | $ / shares		$ 11.50
Redemption price (in dollars per share) | $ / shares					$ 0.01
Number of warrants expired (in shares)					5,888,294
Public Warrant | Class A common stock, par value $0.0001 per share
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of shares called by each warrant (in shares)		1
Private Warrant
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Warrants outstanding (in shares)			4,535,728
Warrants exercised (in shares)			480,938
Number of shares issued in private placement (in shares)		10,033,333
Number of days to become transferable, assignable or saleable | day			30
Private Warrant | Class A common stock, par value $0.0001 per share
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of shares called by each warrant (in shares)		1