Commitments and Contingencies - Narrative (Details) $ in Millions	1 Months Ended				12 Months Ended
	Sep. 30, 2021 ft² option	Mar. 31, 2021 ft² option	Nov. 30, 2020 ft²	Sep. 30, 2020 ft²	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	Sep. 30, 2022
Lessee, Lease, Description [Line Items]
Operating lease, rent expense | $					$ 7.0	$ 2.6
Operating lease payments | $					$ 2.5	$ 1.3
San Diego | Building
Lessee, Lease, Description [Line Items]
Area of leased space (in square feet)				117,900
Reduction due to amendment (in square feet)	43,200
Potential annual increase to lease rent (percent)	0.030
Number of renewal options | option	2
Operating lease, renewal term (in years)							5 years
San Diego | Temporary Leased Building
Lessee, Lease, Description [Line Items]
Area of leased space (in square feet)			13,200
New York | Building
Lessee, Lease, Description [Line Items]
Area of leased space (in square feet)		31,362
Potential annual increase to lease rent (percent)		0.081
Number of renewal options | option		1
Operating lease, renewal term (in years)		5 years
Anniversary year of potential rent increase post commencement date		6 years