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Fair Value Measurements - Summary of Changes in Fair Value of Company's Level 3 Assets and Liabilities (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Assets: |  |  |
Beginning Balance | $ 871 | $ 3,157 | $ 2,971
Net Unrealized/Realized Gains/Losses Included In Earnings | $ 99 | $ 155 | $ (117)
Fair Value, Asset, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Other | Other | Other
Purchases/Issuances | $ 18,000 |  | $ 299
Sales/Settlements | (13) | $ (2,356) | 0
Foreign Currency Translation Adjustments | 461 | (85) | 4
Ending Balance | 19,418 | 871 | 3,157
Liabilities: |  |  |
Beginning Balance | 0 | 0 |
Net Unrealized/Realized Gains/Losses Included In Earnings |  | 0 |
Purchases/Issuances |  | 11,500 |
Sales/Settlements |  | (11,500) |
Foreign Currency Translation Adjustments |  | 0 |
Ending Balance |  | 0 | 0
Derivative |  |  |
Liabilities: |  |  |
Beginning Balance | 0 | 0 |
Net Unrealized/Realized Gains/Losses Included In Earnings |  | 0 |
Purchases/Issuances |  | 11,500 |
Sales/Settlements |  | (11,500) |
Foreign Currency Translation Adjustments |  | 0 |
Ending Balance |  | 0 | 0
Equities [Member] |  |  |
Assets: |  |  |
Beginning Balance | 578 | 1,671 | 1,600
Net Unrealized/Realized Gains/Losses Included In Earnings | 99 | (796) | 73
Purchases/Issuances |  |  | 0
Sales/Settlements |  | (235) | 0
Foreign Currency Translation Adjustments | (31) | (62) | (2)
Ending Balance | 646 | 578 | 1,671
Private Equity Funds [Member] |  |  |
Assets: |  |  |
Beginning Balance | 293 | 1,486 | 1,371
Net Unrealized/Realized Gains/Losses Included In Earnings |  | 951 | (190)
Purchases/Issuances | 18,000 |  | 299
Sales/Settlements | (13) | (2,121) | 0
Foreign Currency Translation Adjustments | 492 | (23) | 6
Ending Balance | $ 18,772 | $ 293 | $ 1,486

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- Definition Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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