Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Income Tax Disclosure [Abstract]
Company's effective tax rate	0.00%	0.00%	0.00%	0.00%
Income tax benefit	$ 0	$ 0	$ 0	$ 0
Percentage of annual research and development credit for cash	65.00%		65.00%