Marketable Securities - Summary of Available-for-Sale Securities Held (Detail) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Schedule of Available-for-sale Securities [Line Items]
Available-For-Sale Securities Held, Amortized Cost	$ 73,595	$ 78,452
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax		7
Available-For-Sale Securities Held, Gross Unrealized Losses	(249)	(4)
Available-For-Sale Securities Held, Fair Value	73,346	78,455
Commercial Paper [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-For-Sale Securities Held, Amortized Cost	15,942	68,427
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax		7
Available-For-Sale Securities Held, Gross Unrealized Losses	(16)	(3)
Available-For-Sale Securities Held, Fair Value	15,926	68,431
U.S. Government Agency Securities and U.S. Treasuries [Member]
Schedule of Available-for-sale Securities [Line Items]
Available-For-Sale Securities Held, Amortized Cost	57,653	10,025
Available-for-sale Securities, Accumulated Gross Unrealized Gain, before Tax		0
Available-For-Sale Securities Held, Gross Unrealized Losses	(233)	(1)
Available-For-Sale Securities Held, Fair Value	$ 57,420	$ 10,024