Available-for-Sale Marketable Securities - Schedule of Fair Values and Continuous Unrealized Loss Positions of Available-for-Sale Marketable Securities (Detail) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
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
Available-for-sale marketable securities, continuous unrealized loss position, Less than 12 Months, Gross Unrealized Losses		(48)
Available-for-sale marketable securities, continuous unrealized loss position, 12 Months or Greater, Fair Value	$ 36,380	62,181
Available-for-sale marketable securities, continuous unrealized loss position, 12 Months or Greater, Gross Unrealized Losses	(730)	(1,626)
Available-for-sale marketable securities, continuous unrealized loss position, Fair Value	36,380	80,539
Available-for-sale marketable securities, continuous unrealized loss position, Gross Unrealized Losses	(730)	(1,674)
U.S. Government Agency Obligations [Member]
Schedule Of Available For Sale Securities [Line Items]
Available-for-sale marketable securities, continuous unrealized loss position, 12 Months or Greater, Fair Value	9,003	8,877
Available-for-sale marketable securities, continuous unrealized loss position, 12 Months or Greater, Gross Unrealized Losses	(497)	(623)
Available-for-sale marketable securities, continuous unrealized loss position, Fair Value	9,003	8,877
Available-for-sale marketable securities, continuous unrealized loss position, Gross Unrealized Losses	(497)	(623)
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
Available-for-sale marketable securities, continuous unrealized loss position, Less than 12 Months, Gross Unrealized Losses		(26)
Available-for-sale marketable securities, continuous unrealized loss position, 12 Months or Greater, Fair Value	19,675	33,715
Available-for-sale marketable securities, continuous unrealized loss position, 12 Months or Greater, Gross Unrealized Losses	(184)	(617)
Available-for-sale marketable securities, continuous unrealized loss position, Fair Value	19,675	35,185
Available-for-sale marketable securities, continuous unrealized loss position, Gross Unrealized Losses	(184)	(643)
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
Available-for-sale marketable securities, continuous unrealized loss position, Less than 12 Months, Gross Unrealized Losses		(6)
Available-for-sale marketable securities, continuous unrealized loss position, Fair Value		15,906
Available-for-sale marketable securities, continuous unrealized loss position, Gross Unrealized Losses		(6)
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
Available-for-sale marketable securities, continuous unrealized loss position, Less than 12 Months, Gross Unrealized Losses		(16)
Available-for-sale marketable securities, continuous unrealized loss position, 12 Months or Greater, Fair Value	7,702	19,589
Available-for-sale marketable securities, continuous unrealized loss position, 12 Months or Greater, Gross Unrealized Losses	(49)	(386)
Available-for-sale marketable securities, continuous unrealized loss position, Fair Value	7,702	20,571
Available-for-sale marketable securities, continuous unrealized loss position, Gross Unrealized Losses	$ (49)	$ (402)

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.

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-Name Accounting Standards Codification
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