The Company and Significant Accounting Policies - Summary of Components of AOCI (Detail) - USD ($) $ in Thousands	3 Months Ended				9 Months Ended
	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Accumulated Other Comprehensive Income Loss [Line Items]
Balance, Beginning			$ (1,510)		$ (1,510)
Other comprehensive income (loss)	$ (419)	$ 35	154
Income tax (expense) benefit		(27)	(35)
Amounts reclassified from AOCI	33	29	31
Income tax (expense) benefit	(5)	(7)	(8)
Total other comprehensive income (loss)	(391)	30	142	$ 528	(219)	$ (1,048)
Balance, Ending	(1,729)				(1,729)
Foreign Currency Translation
Accumulated Other Comprehensive Income Loss [Line Items]
Balance, Beginning	(1,400)	(1,329)	(1,345)		(1,345)
Other comprehensive income (loss)	(408)	(71)	16
Total other comprehensive income (loss)	(408)	(71)	16
Balance, Ending	(1,808)	(1,400)	(1,329)		(1,808)
Marketable Securities
Accumulated Other Comprehensive Income Loss [Line Items]
Balance, Beginning	62	(39)	(165)		(165)
Other comprehensive income (loss)	(11)	106	138
Income tax (expense) benefit		(27)	(35)
Amounts reclassified from AOCI	33	29	31
Income tax (expense) benefit	(5)	(7)	(8)
Total other comprehensive income (loss)	17	101	126
Balance, Ending	79	62	(39)		79
Accumulated Other Comprehensive Income (Loss)
Accumulated Other Comprehensive Income Loss [Line Items]
Balance, Beginning	(1,338)	(1,368)	(1,510)		(1,510)
Total other comprehensive income (loss)	391
Balance, Ending	$ (1,729)	$ (1,338)	$ (1,368)		$ (1,729)