Available-for-Sale Marketable Securities - Summary of Available-for-Sale Marketable Securities by Major Type of Security (Detail) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	$ 138,870	$ 223,694
Gross Unrealized Gains		5
Gross Unrealized Losses	(2,148)	(363)
Estimated fair value	136,722	223,336
U.S. Treasury Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	4,004	11,573
Gross Unrealized Losses	(7)	(3)
Estimated fair value	3,997	11,570
U.S. Government Agency Obligations [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	9,500	17,020
Gross Unrealized Losses	(646)	(45)
Estimated fair value	8,854	16,975
Corporate Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	39,955	66,495
Gross Unrealized Losses	(838)	(171)
Estimated fair value	39,117	66,324
Commercial Paper [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	62,884	106,914
Gross Unrealized Gains		5
Gross Unrealized Losses	(64)	(31)
Estimated fair value	62,820	106,888
Municipal Bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized cost	22,527	21,692
Gross Unrealized Losses	(593)	(113)
Estimated fair value	$ 21,934	$ 21,579