Income Taxes - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Taxes
Company's effective tax rate	0.00%	0.00%
Percentage of ineligible annual research and development credit for cash	65.00%	65.00%
Income tax benefit	$ 0	$ 0
Income tax receivable related to R&D credit	$ 697