Nature of the Business and Basis of Presentation - Schedule of Reverse Capitalization (Details) - USD ($) $ in Thousands			3 Months Ended
	Jun. 10, 2021	Jun. 09, 2021	Sep. 30, 2021	Jun. 30, 2021		Jun. 30, 2020
Reverse Capitalization, Value [Abstract]
PIPE and SPAC financing						$ 711
Reverse recapitalization			$ 1,100	$ 250,135
Additional Paid-in Capital
Reverse Capitalization, Value [Abstract]
Redemption of Class H units	$ (900)
PIPE and SPAC financing	377,654					$ 711
Earn-out liability	(119,759)
Transaction expenses	(22,675)
Warrants liability	(74,408)
Reverse recapitalization	250,129		$ 1,100	$ 250,129
Embry Convertible Subordinated Notes Payable | Convertible debt | Additional Paid-in Capital
Reverse Capitalization, Value [Abstract]
SAFEs conversion	4,118
Public Warrants | Additional Paid-in Capital
Reverse Capitalization, Value [Abstract]
SAFEs conversion	0
Securities Subject to Mandatory Redemption | Additional Paid-in Capital
Reverse Capitalization, Value [Abstract]
SAFEs conversion	$ 86,099
Class A
Reverse Capitalization, Shares [Abstract]
SAFEs converted into Class A units (in shares)		284,925
Class A | Common Stock
Reverse Capitalization, Shares [Abstract]
Redemption of shares (in shares)	(125,101)
PIPE and SPAC financing (in shares)	44,797,894					125,101	[1]
Reverse recapitalization (in shares)	60,441,289			60,441,289	[1]
Reverse Capitalization, Value [Abstract]
PIPE and SPAC financing	$ 4
Reverse recapitalization	$ 6			$ 6
Class A | Embry Convertible Subordinated Notes Payable | Convertible debt | Common Stock
Reverse Capitalization, Shares [Abstract]
SAFEs converted into Class A units (in shares)	8,023,072
Reverse Capitalization, Value [Abstract]
SAFEs conversion	$ 1
Class A | Public Warrants | Common Stock
Reverse Capitalization, Shares [Abstract]
SAFEs converted into Class A units (in shares)	278,533
Class A | Securities Subject to Mandatory Redemption | Common Stock
Reverse Capitalization, Shares [Abstract]
SAFEs converted into Class A units (in shares)	7,466,891
Reverse Capitalization, Value [Abstract]
SAFEs conversion	$ 1
Class V | Common Stock
Reverse Capitalization, Shares [Abstract]
Reverse recapitalization (in shares)	454,077			454,077	[1]
Reverse Capitalization, Value [Abstract]
Reverse recapitalization	$ 0
Class V | Securities Subject to Mandatory Redemption | Common Stock
Reverse Capitalization, Shares [Abstract]
SAFEs converted into Class A units (in shares)	454,077

[1] (1) Retroactively restated to give effect to the reverse recapitalization.