Organization and Principal Activities - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Organization And Principal Activities [Line Items]
Cash, cash equivalents and investments	$ 99,100		$ 99,100
Net loss	(11,872)	$ (11,774)	(23,635)	$ (21,661)
Cash in operations			21,400
Accumulated deficit	$ (126,768)		$ (126,768)		$ (103,133)