Fair Value Measurements - Summary of Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	$ 70,971	$ 210,518
Level 1 [Member] | Fair Value, Recurring [Member] | Money Market Funds [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Cash and cash equivalents	69,938	209,273
Estimated Fair Value	69,938	209,273
Level 2 [Member] | Fair Value, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
U.S. Treasury securities,Gross unrealized gains	61	407
Gross unrealized losses	(12)
Level 2 [Member] | Fair Value, Recurring [Member] | U.S. Treasury Securities [Member] | Short-Term Investments [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
U.S. Treasury securities, Amortized Cost	157,340	63,456
U.S. Treasury securities,Gross unrealized gains	61	407
Gross unrealized losses	(12)
U.S. Treasury securities ,Fair Value	157,389	63,863
Level 1 And Level 2 [Member] | Fair Value, Recurring [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Total Amortized Cost	227,278	272,729
Total Fair Value	$ 227,327	$ 273,136