Leases - Additional information (Details) $ in Thousands	1 Months Ended	12 Months Ended
	Feb. 28, 2018 USD ($) ft²	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Lessee, Lease, Description [Line Items]
Period of base rent abatement	2 months
Base rent abated amount	$ 200
Lease costs		$ 2,300
Variable lease payments		900
Operating leases, rent expense			$ 2,500	$ 2,500
Operating lease payments		$ 2,400
California
Lessee, Lease, Description [Line Items]
Leased premises under non cancelable operating lease | ft²	32,974
Lease term	84 months
Lease term extension period		7 years
California | Minimum
Lessee, Lease, Description [Line Items]
Lease term extension notice period	12 months
California | Maximum
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		$ 400	$ 400