Share-Based Compensation - Schedule of Stock Options Valuation Assumptions (Detail) - $ / shares	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expected dividend yield			0.00%
Options granted (in shares)	0		1,461,715
Options to purchase common stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Weighted-average grant date fair value (in dollars per share)		$ 4.77	$ 1.39	$ 7.78
Risk-free interest rate, minimum		4.06%	4.13%	3.42%
Risk-free interest rate, maximum		4.34%	4.29%	4.33%
Expected volatility, minimum		97.58%	89.22%	89.94%
Expected volatility, maximum		101.03%	91.46%	101.03%
Expected dividend yield		0.00%	0.00%	0.00%
Minimum | Options to purchase common stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expected term (in years)		5 years 1 month 24 days	5 years	5 years 1 month 24 days
Maximum | Options to purchase common stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expected term (in years)		6 years 29 days	6 years 29 days	6 years 29 days