Leases - Narrative (Details) $ in Millions	1 Months Ended		3 Months Ended		9 Months Ended
	Aug. 31, 2022 USD ($) ft²	Feb. 28, 2018 USD ($) ft²	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)
Lessee, Lease, Description [Line Items]
Period of base rent abatement		2 months
Base rent abated amount	$ 0.1	$ 0.2
Lease costs			$ 0.7	$ 0.7	$ 1.8	$ 1.7
Variable lease payments			0.1	$ 0.4	0.2	0.7
Operating lease, payments					1.9	$ 1.9
California
Lessee, Lease, Description [Line Items]
Leased premises under non cancelable operating lease | ft²	12,456	32,974
Lease term	18 months	84 months
Lease term extension period	3 years	7 years
Annual percentage increase to base rent	3.00%
California | Maximum
Lessee, Lease, Description [Line Items]
Lease term extension notice period		12 months
California | Minimum
Lessee, Lease, Description [Line Items]
Lease term extension notice period		9 months
California | Other Non-current Assets
Lessee, Lease, Description [Line Items]
Refundable security deposit			$ 0.4		$ 0.4		$ 0.4