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Organization and Basis of Presentation - Additional Information (Detail) $ in Thousands |  | 1 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Feb. 04, 2019 | Feb. 28, 2021 USD ($) | Jun. 30, 2022 USD ($) Segment | Dec. 31, 2021 USD ($)
Organization And Basis Of Presentation [Line Items] |  |  |  |
Governing operating agreement, date | Feb. 04, 2019 |  |  |
Number of business segments | Segment |  |  | 2 |
Redeemable noncontrolling interests |  |  | $ 575,710 | $ 575,000
LGAC [Member] |  |  |  |
Organization And Basis Of Presentation [Line Items] |  |  |  |
LGAC IPO |  | $ 575,000 |  |
Redeemable noncontrolling interests |  |  | $ 575,710 |
LGAC [Member] | Net Underwriting Fee [Member] |  |  |  |
Organization And Basis Of Presentation [Line Items] |  |  |  |
Net underwriting fee associated with the IPO of a special purpose acquisition company |  | 8,500 |  |
LGAC [Member] | Non-cash Deferred Underwriting Fees [Member] |  |  |  |
Organization And Basis Of Presentation [Line Items] |  |  |  |
Deferred costs associated with IPO of special purpose acquisition entity |  | 20,125 |  |
LGAC [Member] | Other Offering Cost [Member] |  |  |  |
Organization And Basis Of Presentation [Line Items] |  |  |  |
Other offering costs associated with IPO of special purpose acquisition entity |  | $ 852 |  |
Lazard Group LLC [Member] |  |  |  |
Organization And Basis Of Presentation [Line Items] |  |  |  |
Percentage of common membership interests held |  |  | 100.00% | 100.00%

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- Definition Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 18 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8672-108599 + Details
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