Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended				6 Months Ended
	Jun. 30, 2022	Mar. 31, 2022	Jun. 30, 2021	Mar. 31, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Accounting Policies [Abstract]
Restricted Cash and Cash Equivalents	$ 12,700		$ 48,300		$ 12,700	$ 48,300
Accumulated deficit	(205,539)			$ (156,492)	(205,539)		$ (187,313)
Net loss	(4,845)	$ (13,381)	(10,454)	$ (8,682)	(18,226)	(19,136)
Cash and cash equivalents	11,846		47,400		11,846	47,400	$ 35,102
Restricted Cash	$ 900		$ 900		$ 900	$ 900