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Equity - Tax Effects Related to the Change in Each Component of Other Comprehensive Loss (Detail) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Sep. 30, 2022	Sep. 30, 2021
Equity [Abstract]
Unrealized gain (loss) on available-for-sale securities, Before-Tax Amount	$ (334)			$ (38)			$ (2,392)	$ (471)
Unrealized gain (loss) on available-for-sale securities, Tax (Expense) Benefit	80			9			574	113
Unrealized gain (loss) on available-for-sale securities, Net-of-Tax Amount	(254)			(29)			(1,818)	(358)
Reclassification adjustment for amounts related to available-for-sale investments included in net loss, Before-Tax Amount	(187)			(42)			655	13
Reclassification adjustment for amounts related to available-for-sale investments included in net loss, Tax (Expense) Benefit	45			10			(157)	(3)
Reclassification adjustment for amounts related to available-for-sale investments included in net loss, Net-of-Tax Amount	(142)			(32)			498	10
Reclassification adjustment for amounts related to defined benefit plan adjustments included in net loss, Before-Tax Amount	171			180			(316)	630
Reclassification adjustment for amounts related to defined benefit plan adjustments included in net loss, Tax (Expense) Benefit	(53)			(56)			98	(195)
Reclassification adjustment for amounts related to defined benefit plan adjustments included in net loss, Net-of-Tax Amount	118			124			(218)	435
Foreign currency translation adjustment, Before-Tax Amount	(23,172)			(1,389)			(26,930)	(2,914)
Foreign currency translation adjustment, Net-of-Tax Amount	(23,172)			(1,389)			(26,930)	(2,914)
Total Other Comprehensive Income (Loss), Before-Tax Amount	(23,864)			(1,289)			(28,983)	(2,742)
Total Other Comprehensive Income (Loss), Tax (Expense) Benefit	178			(37)			515	(85)
Other Comprehensive Loss, net of tax	$ (23,686)	$ (3,140)	$ (1,642)	$ (1,326)	$ 455	$ (1,956)	$ (28,468)	$ (2,827)

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-Topic 220
-SubTopic 10
-Section 45
-Paragraph 10A
-Subparagraph (e)
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 11
-URI https://asc.fasb.org/extlink&oid=126968391&loc=d3e637-108580

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Amount, before adjustment, of tax expense (benefit) for unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 12
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 10A
-Subparagraph (f)
-URI https://asc.fasb.org/extlink&oid=126968391&loc=SL7669646-108580

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