Commitments and Contingencies - Schedule of Lease Costs and Weighted-Average Assumptions Used in Determining its Right-of-Use Assets and Lease Liabilities (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Commitments And Contingencies Disclosure [Abstract]
Operating lease cost	$ 200	$ 189
Cash paid for operating leases	160	184
Right-of-use assets obtained in exchange for operating lease liabilities	$ 146	$ 41
Weighted average remaining term for operating leases	1 year 9 months 14 days	1 year 1 month 28 days
Weighted average discount rate for operating leases	3.20%	5.80%