Financial Instruments - Summary of Estimated Fair Value and Related Valuation Input Hierarchy of Available-for-Sale Securities (Detail) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Schedule of Available-for-sale Securities [Line Items]
Total Fair Value	$ 50,189	$ 237,002
Fair Value, Measurements, Recurring
Schedule of Available-for-sale Securities [Line Items]
Total Amortized Cost	50,393	239,069
Total Unrealized Gain	1	7
Total Unrealized Loss	(205)	(2,074)
Total Fair Value	50,189	237,002
Fair Value, Measurements, Recurring | Money Market Funds | Level 1
Schedule of Available-for-sale Securities [Line Items]
Total Amortized Cost	14,376	78,033
Total Unrealized Gain	0	0
Total Unrealized Loss	0	0
Total Fair Value	14,376	78,033
Fair Value, Measurements, Recurring | U.S. Treasury Obligations | Level 2
Schedule of Available-for-sale Securities [Line Items]
Total Amortized Cost	9,928	63,013
Total Unrealized Gain	1	3
Total Unrealized Loss	0	(394)
Total Fair Value	9,929	62,622
Fair Value, Measurements, Recurring | Government Agency Obligations | Level 2
Schedule of Available-for-sale Securities [Line Items]
Total Amortized Cost		8,086
Total Unrealized Gain		0
Total Unrealized Loss		(48)
Total Fair Value		8,038
Fair Value, Measurements, Recurring | Corporate Debt Obligations | Level 2
Schedule of Available-for-sale Securities [Line Items]
Total Amortized Cost	26,089	82,598
Total Unrealized Gain	0	4
Total Unrealized Loss	(205)	(1,513)
Total Fair Value	25,884	81,089
Fair Value, Measurements, Recurring | Commercial Paper | Level 2
Schedule of Available-for-sale Securities [Line Items]
Total Amortized Cost		996
Total Unrealized Gain		0
Total Unrealized Loss		0
Total Fair Value		996
Fair Value, Measurements, Recurring | Asset-Backed Securities | Level 2
Schedule of Available-for-sale Securities [Line Items]
Total Amortized Cost		6,343
Total Unrealized Gain		0
Total Unrealized Loss		(119)
Total Fair Value		6,224
Fair Value, Measurements, Recurring | Amounts Classified As Cash Equivalents
Schedule of Available-for-sale Securities [Line Items]
Total Fair Value		87,125
Total Amortized Cost	(24,304)	(87,122)
Total Unrealized Gain	(1)	(3)
Total Unrealized Loss	0	0
Total Fair Value	(24,305)
Fair Value, Measurements, Recurring | Amounts Classified As Short-Term Investments
Schedule of Available-for-sale Securities [Line Items]
Total Amortized Cost	26,089	151,947
Total Unrealized Gain	0	4
Total Unrealized Loss	(205)	(2,074)
Total Fair Value	$ 25,884	$ 149,877