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The Company and Significant Accounting Policies - Summary of Components of AOCI (Detail) - USD ($) $ in Thousands	3 Months Ended				9 Months Ended
	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Accumulated Other Comprehensive Income Loss [Line Items]
Balance, Beginning			$ (915)		$ (915)
Other comprehensive income (loss)	$ 33	$ 306	(275)
Income tax (expense) benefit			(5)
Amounts reclassified from AOCI	1	(4)	112
Income tax (expense) benefit			(28)
Total other comprehensive income (loss)	34	302	(196)	$ (391)	140	$ (219)
Balance, Ending	(775)				(775)
Foreign Currency Translation
Accumulated Other Comprehensive Income Loss [Line Items]
Balance, Beginning	(1,250)	(1,552)	(1,257)		(1,257)
Other comprehensive income (loss)	1	302	(295)
Total other comprehensive income (loss)	1	302	(295)
Balance, Ending	(1,249)	(1,250)	(1,552)		(1,249)
Marketable Securities
Accumulated Other Comprehensive Income Loss [Line Items]
Balance, Beginning	441	441	342		342
Other comprehensive income (loss)	32	4	20
Income tax (expense) benefit			(5)
Amounts reclassified from AOCI	1	(4)	112
Income tax (expense) benefit			(28)
Total other comprehensive income (loss)	33		99
Balance, Ending	474	441	441		474
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income Loss [Line Items]
Balance, Beginning	(809)	(1,111)	(915)		(915)
Balance, Ending	$ (775)	$ (809)	$ (1,111)		$ (775)

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