Fair Value Measurements - Summary of Fair Value of Financial Instruments (Detail) - Fair Value, Measurements, Recurring [Member] - USD ($) $ in Thousands		Dec. 31, 2022	Dec. 31, 2021
U.S. Treasury Money Market Funds [Member]
Cash equivalents:
Cash equivalents	[1]	$ 48,804	$ 30,853
U.S. Government Securities [Member]
Short-term investments:
Short-term investments	[1]	73,776	12,190
Asset Backed Securities [Member]
Short-term investments:
Short-term investments	[1]		11,346
Corporate Securities [Member]
Short-term investments:
Short-term investments	[1]		49,066
Commercial Paper [Member]
Short-term investments:
Short-term investments	[1]		54,557
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | U.S. Treasury Money Market Funds [Member]
Cash equivalents:
Cash equivalents	[1]	48,804	30,853
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | U.S. Government Securities [Member]
Short-term investments:
Short-term investments	[1]	$ 73,776	12,190
Significant Other Observable Inputs (Level 2) [Member] | Asset Backed Securities [Member]
Short-term investments:
Short-term investments	[1]		11,346
Significant Other Observable Inputs (Level 2) [Member] | Corporate Securities [Member]
Short-term investments:
Short-term investments	[1]		49,066
Significant Other Observable Inputs (Level 2) [Member] | Commercial Paper [Member]
Short-term investments:
Short-term investments	[1]		$ 54,557

[1] * Designated custodial institution, U.S. Bank, N.A.