101 - Document - Document and Entity Information link:calculationLink link:presentationLink link:definitionLink 103 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION link:calculationLink link:presentationLink link:definitionLink 104 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF FINANCIAL CONDITION (Parenthetical) link:calculationLink link:presentationLink link:definitionLink 105 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS link:calculationLink link:presentationLink link:definitionLink 106 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME link:calculationLink link:presentationLink link:definitionLink 107 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) link:calculationLink link:presentationLink link:definitionLink 108 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS link:calculationLink link:presentationLink link:definitionLink 109 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS EQUITY link:calculationLink link:presentationLink link:definitionLink 110 - Statement - CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS EQUITY (Parenthetical) link:calculationLink link:presentationLink link:definitionLink 111 - Disclosure - ORGANIZATION AND BASIS OF PRESENTATION link:calculationLink link:presentationLink link:definitionLink 112 - Disclosure - RECENT ACCOUNTING DEVELOPMENTS link:calculationLink link:presentationLink link:definitionLink 113 - Disclosure - RECEIVABLES link:calculationLink link:presentationLink link:definitionLink 114 - Disclosure - INVESTMENTS link:calculationLink link:presentationLink link:definitionLink 115 - Disclosure - FAIR VALUE MEASUREMENTS link:calculationLink link:presentationLink link:definitionLink 116 - Disclosure - DERIVATIVES link:calculationLink link:presentationLink link:definitionLink 117 - Disclosure - BUSINESS ACQUISITIONS link:calculationLink link:presentationLink link:definitionLink 118 - Disclosure - PROPERTY-NET link:calculationLink link:presentationLink link:definitionLink 119 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS link:calculationLink link:presentationLink link:definitionLink 120 - Disclosure - SENIOR AND SUBORDINATED DEBT link:calculationLink link:presentationLink link:definitionLink 121 - Disclosure - COMMITMENTS AND CONTINGENCIES link:calculationLink link:presentationLink link:definitionLink 122 - Disclosure - STOCKHOLDERS' EQUITY link:calculationLink link:presentationLink link:definitionLink 123 - Disclosure - INCENTIVE PLANS link:calculationLink link:presentationLink link:definitionLink 124 - Disclosure - EMPLOYEE BENEFIT PLANS link:calculationLink link:presentationLink link:definitionLink 125 - Disclosure - INCOME TAXES link:calculationLink link:presentationLink link:definitionLink 126 - Disclosure - NET INCOME PER SHARE OF CLASS A COMMON STOCK link:calculationLink link:presentationLink link:definitionLink 127 - Disclosure - RELATED PARTIES link:calculationLink link:presentationLink link:definitionLink 128 - Disclosure - REGULATORY AUTHORITIES link:calculationLink link:presentationLink link:definitionLink 129 - Disclosure - SEGMENT INFORMATION link:calculationLink link:presentationLink link:definitionLink 130 - Disclosure - SUBSEQUENT EVENT link:calculationLink link:presentationLink link:definitionLink 131 - Disclosure - ORGANIZATION AND BASIS OF PRESENTATION (Policies) link:calculationLink link:presentationLink link:definitionLink 132 - Disclosure - INVESTMENTS (Tables) link:calculationLink link:presentationLink link:definitionLink 133 - Disclosure - FAIR VALUE MEASUREMENTS (Tables) link:calculationLink link:presentationLink link:definitionLink 134 - Disclosure - DERIVATIVES (Tables) link:calculationLink link:presentationLink link:definitionLink 135 - Disclosure - PROPERTY-NET (Tables) link:calculationLink link:presentationLink link:definitionLink 136 - Disclosure - GOODWILL AND OTHER INTANGIBLE ASSETS (Tables) link:calculationLink link:presentationLink link:definitionLink 137 - Disclosure - SENIOR AND SUBORDINATED DEBT (Tables) link:calculationLink link:presentationLink link:definitionLink 138 - Disclosure - STOCKHOLDERS' EQUITY (Tables) link:calculationLink link:presentationLink link:definitionLink 139 - Disclosure - INCENTIVE PLANS (Tables) link:calculationLink link:presentationLink link:definitionLink 140 - Disclosure - EMPLOYEE BENEFIT PLANS (Tables) link:calculationLink link:presentationLink link:definitionLink 141 - Disclosure - NET INCOME PER SHARE OF CLASS A COMMON STOCK (Tables) link:calculationLink link:presentationLink link:definitionLink 142 - Disclosure - RELATED PARTIES (Tables) link:calculationLink link:presentationLink link:definitionLink 143 - Disclosure - SEGMENT INFORMATION (Tables) link:calculationLink link:presentationLink link:definitionLink 144 - Disclosure - Organization And Basis Of Presentation - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 145 - Disclosure - Receivables - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 146 - Disclosure - Company's Investments and Securities Sold, Not Yet Purchased (Detail) link:calculationLink link:presentationLink link:definitionLink 147 - Disclosure - Investments - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 148 - Disclosure - Schedule of Trading Securities Gross Unrealized Investment Gains and Losses (Detail) link:calculationLink link:presentationLink link:definitionLink 149 - Disclosure - Categorization of Investments and Certain Other Assets and Liabilities Measured at Fair Value on Recurring Basis (Detail) link:calculationLink link:presentationLink link:definitionLink 150 - Disclosure - Summary of Changes in Fair Value of Company's Level 3 Assets (Detail) link:calculationLink link:presentationLink link:definitionLink 151 - Disclosure - Fair Value Measurements - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 152 - Disclosure - Fair Value of Certain Investments Based on NAV (Detail) link:calculationLink link:presentationLink link:definitionLink 153 - Disclosure - Fair Value of Derivatives Reported on Consolidated Statements of Financial Condition (Detail) link:calculationLink link:presentationLink link:definitionLink 154 - Disclosure - Net Gains (Losses) With Respect to Derivative Instruments Not Designated as Hedging Instruments (Detail) link:calculationLink link:presentationLink link:definitionLink 155 - Disclosure - Business Acquisitions - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 156 - Disclosure - Property-net (Detail) link:calculationLink link:presentationLink link:definitionLink 157 - Disclosure - Components of Goodwill and Other Intangible Assets (Detail) link:calculationLink link:presentationLink link:definitionLink 158 - Disclosure - Goodwill And Other Intangible Assets - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 159 - Disclosure - Changes in Carrying Amount of Goodwill (Detail) link:calculationLink link:presentationLink link:definitionLink 160 - Disclosure - Gross Cost and Accumulated Amortization (Detail) link:calculationLink link:presentationLink link:definitionLink 161 - Disclosure - Estimated Future Amortization Expense (Detail) link:calculationLink link:presentationLink link:definitionLink 162 - Disclosure - Senior Debt (Detail) link:calculationLink link:presentationLink link:definitionLink 163 - Disclosure - Senior And Subordinated Debt - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 164 - Disclosure - Commitments and Contingencies - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 165 - Disclosure - Stockholder's Equity - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 166 - Disclosure - Lazard Group Distributed Amounts to Subsidiaries of Lazard Ltd and LAZ-MD Holdings (Detail) link:calculationLink link:presentationLink link:definitionLink 167 - Disclosure - Accumulated Other Comprehensive Income (Loss), Net of Tax (Detail) link:calculationLink link:presentationLink link:definitionLink 168 - Disclosure - Changes in Ownership Interests (Detail) link:calculationLink link:presentationLink link:definitionLink 169 - Disclosure - Net Income Attributable to Noncontrolling Interests (Detail) link:calculationLink link:presentationLink link:definitionLink 170 - Disclosure - Incentive Plans - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 171 - Disclosure - Summary of Impact of All Incentive Plans on Compensation and Benefits Expense (Detail) link:calculationLink link:presentationLink link:definitionLink 172 - Disclosure - Schedule of Issuance of RSUs And Charges to Retained Earnings (Detail) link:calculationLink link:presentationLink link:definitionLink 173 - Disclosure - Schedule of Activity Relating to RSUs And DSUs (Detail) link:calculationLink link:presentationLink link:definitionLink 174 - Disclosure - Schedule of Activity Relating to RSUs And DSUs (Parenthetical) (Detail) link:calculationLink link:presentationLink link:definitionLink 175 - Disclosure - Summary of Activity Related to Shares of Restricted Class A Common Stock (Detail) link:calculationLink link:presentationLink link:definitionLink 176 - Disclosure - Summary of Fund Interests and Other Similar Deferred Compensation Arrangements (Detail) link:calculationLink link:presentationLink link:definitionLink 177 - Disclosure - Summary of Impact of Fund Interests and Other Similar Deferred Compensation Arrangements (Detail) link:calculationLink link:presentationLink link:definitionLink 178 - Disclosure - Employee Benefit Plans - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 179 - Disclosure - Components of Net Benefit Cost (Detail) link:calculationLink link:presentationLink link:definitionLink 180 - Disclosure - Income Taxes - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 181 - Disclosure - Company's Basic and Diluted Net Income Per Share and Weighted Average Shares Outstanding (Detail) link:calculationLink link:presentationLink link:definitionLink 182 - Disclosure - Schedule of Amounts Receivable From and Payable to Related Parties (Detail) link:calculationLink link:presentationLink link:definitionLink 183 - Disclosure - Related Parties - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 184 - Disclosure - Regulatory Authorities - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink 185 - Disclosure - Segment's Contribution with Respect to Net Revenue, Operating Expenses, Operating Income (Loss) and Total Assets (Detail) link:calculationLink link:presentationLink link:definitionLink 186 - Disclosure - Subsequent Event - Additional Information (Detail) link:calculationLink link:presentationLink link:definitionLink