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Nature of Business - Tax Effects Related to the Change in Each Component of Other Comprehensive (Loss) Income (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Equity [Abstract] |  |  |
Unrealized gain (loss) on available-for-sale securities, Before-Tax Amount | $ (953) | $ 1,012 | $ 774
Unrealized gain (loss) on available-for-sale securities, Tax (Expense) Benefit | 248 | (263) | (201)
Unrealized gain (loss) on available-for-sale securities, Net-of-Tax Amount | (705) | 749 | 573
Reclassification adjustment for amounts related to available-for-sale investments included in net income (loss), Before-Tax Amount | 164 | (585) | (397)
Reclassification adjustment for amounts related to available-for-sale investments included in net income (loss), Tax (Expense) Benefit | (43) | 152 | 103
Reclassification adjustment for amounts related to available-for-sale investments included in net income (loss), Net-of-Tax Amount | 121 | (433) | (294)
Defined benefit plan adjustments, Before-Tax Amount | 4,984 | (1,784) | (2,488)
Defined benefit plan adjustments, Tax (Expense) Benefit | (1,545) | 553 | 771
Defined benefit plan adjustments, Net-of-Tax Amount | 3,439 | (1,231) | (1,717)
Reclassification adjustment for amounts related to defined benefit plan adjustments included in net income (loss), Before-Tax Amount | 825 | 1,212 | 771
Reclassification adjustment for amounts related to defined benefit plan adjustments included in net income (loss), Tax (Expense) Benefit | (256) | (376) | (239)
Reclassification adjustment for amounts related to defined benefit plan adjustments included in net income (loss), Net-of-Tax Amount | 569 | 836 | 532
Foreign currency translation adjustment, Before-Tax Amount | (3,699) | 4,857 | (1,480)
Foreign currency translation adjustment, Net-of-Tax Amount | (3,699) | 4,857 | (1,480)
Total Other Comprehensive (loss) Income, Before-Tax Amount | 1,321 | 4,712 | (2,820)
Total Other Comprehensive (Loss) Income, Tax (Expense) Benefit | (1,596) | 66 | 434
Other Comprehensive (loss) Income, net of tax | $ (275) | $ 4,778 | $ (2,386)

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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=124509347&loc=d3e640-108580 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 10A -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=124509347&loc=SL7669646-108580 + Details
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