Investments - Marketable Securities (Detail) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	$ 274,029	$ 286,001
Gross Unrealized Gains	124	14
Gross Unrealized Losses	(308)	(522)
Fair Value	273,845	285,493
U.S. treasury securities
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	96,353	86,666
Gross Unrealized Gains	80	7
Gross Unrealized Losses	(59)	(196)
Fair Value	96,374	86,477
Commercial paper
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	35,932	73,234
Gross Unrealized Gains	0	6
Gross Unrealized Losses	0	(326)
Fair Value	35,932	72,914
Corporate notes and obligations
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	87,661	65,150
Gross Unrealized Gains	44	0
Gross Unrealized Losses	(249)	0
Fair Value	87,456	65,150
Time deposits
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	54,083	60,951
Gross Unrealized Gains	0	1
Gross Unrealized Losses	0	0
Fair Value	$ 54,083	$ 60,952

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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Amortized cost of 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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