Summary of Significant Accounting Policies - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Summary Of Significant Accounting Policies [Line Items]
Accumulated deficit	$ 600,349		$ 600,349		$ 589,006
Number of warrants to purchase common stock	600,000		600,000
Dilutive effect of pre-funded warrants				237,000
Weighted-average remaining lease term	3 years 1 month 6 days		3 years 1 month 6 days
Stock Options
Summary Of Significant Accounting Policies [Line Items]
Number of outstanding shares of common stock equivalents excluded from computation of diluted net loss per share	3,800,000	3,100,000	3,900,000	3,000,000
Pre-Funded Warrants [Member]
Summary Of Significant Accounting Policies [Line Items]
Number of outstanding shares of common stock equivalents excluded from computation of diluted net loss per share		300,000
Common Stock Warrants
Summary Of Significant Accounting Policies [Line Items]
Number of outstanding shares of common stock equivalents excluded from computation of diluted net loss per share	3,600,000	2,000,000	3,600,000	1,600,000