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Fair Value Measurements - Summary of Reconciliation of Recurring Fair Value Measurements (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Deferred consideration (Note XX) |  |
Beginning balance | $ 0 | $ 0
Purchases | 21,863 | 0
Net unrealized (gains)/losses | (442) | 0
Ending balance | 21,421 | 0
Deferred Consideration Obligation [Member] |  |
Deferred consideration (Note XX) |  |
Beginning balance | 228,062 | 230,137
Net realized losses | 17,108 | 17,096
Net unrealized (gains)/losses | (27,765) | (2,018)
Settlements | (17,115) | (17,153)
Ending balance | $ 200,290 | $ 228,062

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- Definition Amount of settlements of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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