Commitments and Contingencies - Information Related to Operating Lease Prior to Lease Termination Date (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Commitments And Contingencies Disclosure [Abstract]
Operating lease expense (including variable costs of none and $95 during the three months ended September 30, 2022 and 2021, respectively, and $96 and $279 during the nine months ended September 30, 2022 and 2021, respectively.	$ 293	$ 294	$ 872
Cash paid for amounts included in the measurement of lease liabilities	$ 215	$ 215	$ 640