XML 115 R101.htm IDEA: XBRL DOCUMENT
v3.22.4

Incentive Plans - Summary of LFI and Other Similar Deferred Compensation Arrangements (Detail) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021
Deferred Compensation Arrangement With Individual Excluding Share Based Payments And Postretirement Benefits [Line Items] |  |
Beginning Balance, Prepaid Compensation Asset | $ 108,049 |
Ending Balance, Prepaid Compensation Asset | 112,124 |
Beginning Balance, Compensation Liability | $ 372,245 |
DerivativeLiabilityStatementOfFinancialPositionExtensibleEnumeration | Accrued compensation and benefits | Accrued compensation and benefits
Ending Balance, Compensation Liability | $ 327,160 |
LFI and Other Similar Deferred Compensation Arrangements [Member] |  |
Deferred Compensation Arrangement With Individual Excluding Share Based Payments And Postretirement Benefits [Line Items] |  |
Beginning Balance, Prepaid Compensation Asset | 108,049 |
Prepaid Compensation Asset, Granted | 167,654 |
Prepaid Compensation Asset, Forfeited | (5,033) |
Prepaid Compensation Asset, Amortization | (158,483) |
Prepaid Compensation Asset, Other | (63) |
Ending Balance, Prepaid Compensation Asset | 112,124 |
Beginning Balance, Compensation Liability | 358,877 |
Compensation Liability, Granted | 167,654 |
Compensation Liability, Settled | (145,666) |
Compensation Liability, Forfeited | (16,894) |
Compensation Liability, Change in Fair Value | (44,261) |
Compensation Liability, Adjustment for estimated forfeitures | 8,256 |
Compensation Liability, Other | (1,684) |
Ending Balance, Compensation Liability | $ 326,282 |

X
- Definition Derivative liability, adjustment to forfeiture. + References No definition available. + Details
Name: | laz_DerivativeLiabilityAdjustmentToForfeiture
Namespace Prefix: | laz_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Derivative liability, change in fair value. + References No definition available. + Details
Name: | laz_DerivativeLiabilityChangeInFairValue
Namespace Prefix: | laz_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Derivative liability, foreign currency translation and other adjustments. + References No definition available. + Details
Name: | laz_DerivativeLiabilityForeignCurrencyTranslationAndOtherAdjustments
Namespace Prefix: | laz_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Derivative liability forfeited. + References No definition available. + Details
Name: | laz_DerivativeLiabilityForfeited
Namespace Prefix: | laz_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Derivative liability, granted. + References No definition available. + Details
Name: | laz_DerivativeLiabilityGranted
Namespace Prefix: | laz_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Derivative liability settled. + References No definition available. + Details
Name: | laz_DerivativeLiabilitySettled
Namespace Prefix: | laz_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Balance represents the fair value of the compensation award, adjusted for amounts granted, amortization, forfeited, translation and other adjustments. + References No definition available. + Details
Name: | laz_PrepaidCompensationAsset
Namespace Prefix: | laz_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Prepaid compensation asset, amortization. + References No definition available. + Details
Name: | laz_PrepaidCompensationAssetAmortization
Namespace Prefix: | laz_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Prepaid compensation asset, foreign currency translation and other adjustments. + References No definition available. + Details
Name: | laz_PrepaidCompensationAssetForeignCurrencyTranslationAndOtherAdjustments
Namespace Prefix: | laz_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Prepaid compensation asset forfeited. + References No definition available. + Details
Name: | laz_PrepaidCompensationAssetForfeited
Namespace Prefix: | laz_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Prepaid compensation asset, granted. + References No definition available. + Details
Name: | laz_PrepaidCompensationAssetGranted
Namespace Prefix: | laz_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_DeferredCompensationArrangementWithIndividualExcludingShareBasedPaymentsAndPostretirementBenefitsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226008-175313 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 22 -URI https://asc.fasb.org/extlink&oid=99393222&loc=SL20226052-175313 + Details
Name: | us-gaap_DerivativeLiabilities
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Indicates line item in statement of financial position that includes derivative liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=125515794&loc=SL5618551-113959 + Details
Name: | us-gaap_DerivativeLiabilityStatementOfFinancialPositionExtensibleEnumeration
Namespace Prefix: | us-gaap_
Data Type: | enum2:enumerationSetItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=laz_LazardFundInterestsAndOtherSimilarDeferredCompensationArrangementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |