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Balance Sheet Components - Summary of Amortized Cost, Gross Unrealized Holding Gains or Losses, and Fair Value of Available-for-Sale Investments (Detail) $ in Thousands	Dec. 31, 2023 USD ($)
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	$ 121,874
Gross Unrealized Holding Gains	30
Gross Unrealized Holding Losses	(6)
Estimated Fair Value	121,898
Corporate bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	13,988
Gross Unrealized Holding Gains	9
Gross Unrealized Holding Losses	(5)
Estimated Fair Value	13,992
Commercial paper [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	52,273
Gross Unrealized Holding Gains	0
Gross Unrealized Holding Losses	0
Estimated Fair Value	52,273
U.S. government bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	45,783
Gross Unrealized Holding Gains	20
Gross Unrealized Holding Losses	0
Estimated Fair Value	45,803
Agency bonds [Member]
Schedule of Available-for-sale Securities [Line Items]
Amortized Cost	9,830
Gross Unrealized Holding Gains	1
Gross Unrealized Holding Losses	(1)
Estimated Fair Value	$ 9,830

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Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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