Available-for-Sale Marketable Securities - Schedule of Fair Values and Continuous Unrealized Loss Positions of Available-for-Sale Marketable Securities (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale marketable securities, continuous unrealized loss position, Less than 12 Months, Fair Value	$ 18,358	$ 156,455
Available-for-sale marketable securities, continuous unrealized loss position, Less than 12 Months, Gross Unrealized Losses	(48)	(354)
Available-for-sale marketable securities, continuous unrealized loss position, 12 Months or Greater, Fair Value	62,181	3,037
Available-for-sale marketable securities, continuous unrealized loss position, 12 Months or Greater, Gross Unrealized Losses	(1,626)	(9)
Available-for-sale marketable securities, continuous unrealized loss position, Fair Value	80,539	159,492
Available-for-sale marketable securities, continuous unrealized loss position, Gross Unrealized Losses	(1,674)	(363)
U.S. Treasury Securities [Member]
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale marketable securities, continuous unrealized loss position, Less than 12 Months, Fair Value		11,570
Available-for-sale marketable securities, continuous unrealized loss position, Less than 12 Months, Gross Unrealized Losses		(3)
Available-for-sale marketable securities, continuous unrealized loss position, Fair Value		11,570
Available-for-sale marketable securities, continuous unrealized loss position, Gross Unrealized Losses		(3)
U.S. Government Agency Obligations [Member]
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale marketable securities, continuous unrealized loss position, Less than 12 Months, Fair Value		9,456
Available-for-sale marketable securities, continuous unrealized loss position, Less than 12 Months, Gross Unrealized Losses		(45)
Available-for-sale marketable securities, continuous unrealized loss position, 12 Months or Greater, Fair Value	8,877
Available-for-sale marketable securities, continuous unrealized loss position, 12 Months or Greater, Gross Unrealized Losses	(623)
Available-for-sale marketable securities, continuous unrealized loss position, Fair Value	8,877	9,456
Available-for-sale marketable securities, continuous unrealized loss position, Gross Unrealized Losses	(623)	(45)
Corporate Bonds [Member]
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale marketable securities, continuous unrealized loss position, Less than 12 Months, Fair Value	1,470	62,704
Available-for-sale marketable securities, continuous unrealized loss position, Less than 12 Months, Gross Unrealized Losses	(26)	(170)
Available-for-sale marketable securities, continuous unrealized loss position, 12 Months or Greater, Fair Value	33,715	2,020
Available-for-sale marketable securities, continuous unrealized loss position, 12 Months or Greater, Gross Unrealized Losses	(617)	(1)
Available-for-sale marketable securities, continuous unrealized loss position, Fair Value	35,185	64,724
Available-for-sale marketable securities, continuous unrealized loss position, Gross Unrealized Losses	(643)	(171)
Commercial Paper [Member]
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale marketable securities, continuous unrealized loss position, Less than 12 Months, Fair Value	15,906	52,163
Available-for-sale marketable securities, continuous unrealized loss position, Less than 12 Months, Gross Unrealized Losses	(6)	(31)
Available-for-sale marketable securities, continuous unrealized loss position, Fair Value	15,906	52,163
Available-for-sale marketable securities, continuous unrealized loss position, Gross Unrealized Losses	(6)	(31)
Municipal Bonds [Member]
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale marketable securities, continuous unrealized loss position, Less than 12 Months, Fair Value	982	20,562
Available-for-sale marketable securities, continuous unrealized loss position, Less than 12 Months, Gross Unrealized Losses	(16)	(105)
Available-for-sale marketable securities, continuous unrealized loss position, 12 Months or Greater, Fair Value	19,589	1,017
Available-for-sale marketable securities, continuous unrealized loss position, 12 Months or Greater, Gross Unrealized Losses	(386)	(8)
Available-for-sale marketable securities, continuous unrealized loss position, Fair Value	20,571	21,579
Available-for-sale marketable securities, continuous unrealized loss position, Gross Unrealized Losses	$ (402)	$ (113)