Stock-Based Compensation - Schedule Allocation of Stock-Based Compensation Expense (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-Based Payment Arrangement, Expense	$ 3,888	$ 230	$ 5,415	$ 306
Research and Development Expense
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-Based Payment Arrangement, Expense	2,571	117	3,034	131
General and Administrative Expense
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-Based Payment Arrangement, Expense	$ 1,317	$ 113	$ 2,381	$ 175