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Schedule of Valuation of Investments and Other Financial Instruments Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] $100,000, 4.01%, issued in September 2014, payable on September 3, 2026 Four Point Zero One Percent Debt [Member] Four Point Zero One Percent Debt [Member] Distributions to non-controlling interests Distributions To Non Controlling Interests The cash outflow associated with contributions to redeemable non-controlling interests holders. 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Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code 6.550% Series B preferred units Series B Preferred Units Preferred Class B [Member] Fixed assets, net Property, Plant and Equipment, Net Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Effect of exchange rate changes on cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Continuing Operations Liabilities: Liabilities [Abstract] NON-CONTROLLING REDEEMABLE INTERESTS IN CONSOLIDATED FUNDS Non Controlling Redeemable Interests In Consolidated Funds [Text Block] Summary of changes in the non-controlling redeemable interests in consolidated funds. 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Equity Method Investment, Nonconsolidated Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] Net proceeds from units sold Sale of Stock, Consideration Received on Transaction Other expenses Other Expenses $50,000, 3.91%, issued in September 2014, payable on September 3, 2024 Three Point Nine One Percent Debt [Member] Three Point Nine One Percent Debt [Member] Decrease (increase) in other assets Increase (Decrease) in Other Operating Assets Options Derivatives, Measurement Basis, Options [Policy Text Block] Derivatives, Measurement Basis, Options [Policy Text Block] Hedging Designation [Axis] Hedging Designation [Axis] 2022 Restructuring Plan 2022 Restructuring Plan [Member] 2022 Restructuring Plan Auditor Location Auditor Location Number of CLO Number Of Collateralized Loan Obligation Number Of Collateralized Loan Obligation Warrants Warrant [Member] Entity Filer Category Entity Filer Category Equity investments, measurement inputs Equity Securities, FV-NI, Measurement Input Weighted average number of Class A units outstanding, basic (in shares) Total weighted average units outstanding, basic (in shares) Weighted Average Number of Shares Outstanding, Basic Unitholders’ capital: Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] €75,000, 2.58%, issued in June 2022, payable on June 8, 2037 Senior Notes Series C Due 2037 [Member] Senior Notes Series C Due 2037 Information technology Information Technology [Member] Information technology. 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Not Designated as Hedging Instrument Not Designated as Hedging Instrument [Member] Schedule of Income before Income Tax, Domestic and Foreign Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Compensation expense related to accrued incentives (fund level) Compensation Expense Related To Accrued Incentives Fund Level - GAAP basis Compensation expense related to accrued incentives fund level - GAAP basis Level II Level II Fair Value, Inputs, Level 2 [Member] Current Fiscal Year End Date Current Fiscal Year End Date Income tax penalties and interest accrued Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Contributions or additions Purchases Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases Net income per Class A unit, diluted Net Income (Loss) Available to Common Stockholders, Diluted Net income per Class A unit, diluted (in dollars per share) Net income per Class A unit, diluted (in dollars per share) Earnings Per Share, Diluted Sale of Stock [Domain] Sale of Stock [Domain] Vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Corporate Investments Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Capital increase related to equity-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Total-return and interest-rate and credit default swaps Total-Return, Interest-Rate, And Credit Default Swaps [Member] Total-Return, Interest-Rate, And Credit Default Swaps Compensation and benefits Compensation And Benefits The aggregate amount of expenditures for salaries, wages, profit sharing, and other employee benefits. Does not include equity-based compensation. Oaktree Capital Management, L.P. Oaktree Capital Management, L.P. [Member] Oaktree Capital Management, L.P. [Member] Compensation expense, recognized Share-Based Payment Arrangement, Expensed and Capitalized, Amount Unrecognized tax benefits, January 1 Unrecognized tax benefits, December 31 Unrecognized Tax Benefits Senior Unsecured Notes Due 2037 Senior Unsecured Notes Due 2037 [Member] Senior Unsecured Notes Due 2037 Equity securities Equity Securities [Member] Valuation assumptions, multiple applied to net incentives created Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Multiple Applied To Net Incentives Created Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Multiple Applied To Net Incentives Created Domestic income (loss) before income taxes Income (Loss) from Continuing Operations before Income Taxes, Domestic Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Due from affiliates Total due from affiliates Due from Related Parties Commitment Fee Rate Line of Credit Facility, Commitment Fee Percentage Cumulative-effect adjustment from adoption of accounting guidance Cumulative Effect, Period of Adoption, Adjustment [Member] Other income (loss): Nonoperating Income (Expense) [Abstract] Proceeds from issuance of debt obligations Proceeds from Issuance of Preferred Stock and Preference Stock Fair Value Derivative Asset, Subject to Master Netting Arrangement, before Offset Entity Address, Address Line Two Entity Address, Address Line Two Entity Address, Address Line One Entity Address, Address Line One Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Total-return and interest-rate swaps Total-return And Interest-Rate Swaps [Member] Total-return And Interest-Rate Swaps [Member] (Increase) decrease in due from brokers Increase (Decrease) in Receivable from Broker-Dealer and Clearing Organization Net change in unrealized appreciation (depreciation) on consolidated funds’ investments Net change in unrealized gain (loss) Net Change in Unrealized Appreciation (Depreciation) on Investments Unrealized Gain (Loss) on Investments Product and Service [Axis] Product and Service [Axis] Payables for securities purchased Broker-Dealer, Payable to Other Broker-Dealer and Clearing Organization Change from net income attributable to OCG Class A unitholders and transfers from non-controlling interests Change From Net Income Loss Attributable To Parent And Transfers To Non Controlling Interest Change from net income loss attributable to parent and transfers to non controlling interest. Europe: Europe [Member] Class of Stock [Domain] Class of Stock [Domain] Gross Amounts Not Offset in Statements of Financial Condition, Cash Collateral Received (Pledged) Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash Not Offset Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Schedule of Changes in Non-controlling Redeemable Interests in Consolidated Funds Summary Of Changes In Non Controlling Redeemable Interests In Consolidated Funds [Table Text Block] Tabular disclosure of summary of changes in non controlling redeemable interests in consolidated funds. Contributions Temporary Equity, Stock Issued During Period, Value, New Issues Interest expense Interest Expense Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Corporate Investments Equity Method Investments [Policy Text Block] Sponsor earn-out shares Sponsor Earn-Out Shares [Member] Sponsor Earn-Out Shares $100,000, 4.21%, issued in September 2014, payable on September 3, 2029 Four Point Two One Percent Debt [Member] Four Point Two One Percent Debt [Member] Credit Facility [Axis] Credit Facility [Axis] Schedule of Collateralized Loan Obligation Schedule of Long-Term Debt Instruments [Table Text Block] Equity [Abstract] Equity [Abstract] Subsequent Event [Table] Subsequent Event [Table] Potential restricted amounts Capital Requirements Payment of Cash Dividends and Advances Restrictions Capital Requirements, Restrictions as to the Payment of Cash Dividends and Advances to the Company Distributions payable Fund Distributions Payable To Limited Partners Fund distributions payable to limited partners. Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Entity Tax Identification Number Entity Tax Identification Number Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Total-Return And Interest-Rate And Credit Default Swaps [Member] Total-Return And Interest-Rate And Credit Default Swaps [Member] Total-Return And Interest-Rate And Credit Default Swaps Schedule of Investments [Table] Schedule of Investments [Table] Other Other Investments at Fair Value [Member] Other Investments at Fair Value [Member] €50,000, 2.20%, issued in June 2022, payable on June 8, 2032 Senior Notes Series A Due 2032 [Member] Senior Notes Series A Due 2032 Incentive income compensation Incentive Income Compensation Company's obligation to pay a fixed percentage of the segment incentive income earned from a particular fund, including income from consolidated funds that is eliminated in consolidation, to specified investment professionals responsible for the management of the fund. Incentive income compensation is generally expensed in the same period as the underlying segment income is recognized and is paid in the same period or in the next period. Credit-oriented investments, at fair value Debt Securities, Fair Value Disclosure Debt Securities, Fair Value Disclosure Schedule of Revenue Disaggregated by Fund Structure Disaggregation of Revenue [Table Text Block] Total deferred tax liabilities Deferred Tax Liabilities, Gross Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Consolidated Entities [Domain] Consolidated Entities [Domain] Net income (loss) Temporary Equity, Net Income SPAC deconsolidation gain and other non-cash items Deconsolidation, Gain (Loss), Amount Consumer staples Consumer Staples [Member] Consumer staples. Common stock, par value (in dollars per share) Common Stock, No Par Value Redemption notice period Preferred Stock, Redemption Notice Period Preferred Stock, Redemption Notice Period Schedule of Effective Income Tax Rate Reconciliation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Net (decrease) increase in cash and cash-equivalents Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Other investments, at fair value Investment At Fair Value, Investment Income, Other, Net Investment At Fair Value, Investment Income, Other, Net Exchange consummation period Share-based Compensation Arrangement by Share-based Payment Award, Exchange Consummation Period Share-based Compensation Arrangement by Share-based Payment Award, Exchange Consummation Period Due from affiliates: Due from Related Parties, Current [Abstract] Entity Central Index Key Entity Central Index Key Non-Operating Group income (expense) Net Income (Loss), Not Allocated From Parent, Available to Common Stockholders, Basic Net Income (Loss), Not Allocated From Parent, Available to Common Stockholders, Basic Measurement Frequency [Axis] Measurement Frequency [Axis] Weighted Average Grant Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Converted Class A Units and Phantom Units Converted Class A Units And Phantom Units [Member] Converted Class A Units And Phantom Units [Member] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Unit exchange (in shares) Stock Issued During Period, Shares, Conversion of Units Input Value Derivative Liability, Measurement Input Measurement Input Type [Axis] Measurement Input Type [Axis] Investments and other financial instruments Investments And Other Financial Instruments [Member] Investments and other financial instruments. Entity [Domain] Entity [Domain] Converted OCGH Units Converted OCGH Units [Member] Converted OCGH Units [Member] City Area Code City Area Code General and administrative General and Administrative Expense Assets Assets [Abstract] (Increase) decrease in other assets Increase (Decrease) in Other Current Assets Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Comprehensive income attributable to OCG Class A unitholders Comprehensive Income (Loss) Available to Common Stockholders , Basic Comprehensive Income (Loss) Available to Common Stockholders , Basic Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Sale of Stock [Axis] Sale of Stock [Axis] Net assets related to the initial consolidation of funds Noncash or Part Noncash Acquisition, Net Nonmonetary Assets Acquired (Liabilities Assumed) Beginning balance Ending balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Valuation assumptions, percentage of corporate investments value Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Percentage Of Corporate Investments Value Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Percentage Of Corporate Investments Value Other Property, Plant and Equipment, Other Types [Member] Deconsolidation (in shares) Share-based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Deconsolidation Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other Than Options, Deconsolidation Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Schedule of Net Gains (Losses) from Investment Activities of Consolidated Funds Gain (Loss) on Securities [Table Text Block] Share-based Payment Arrangement, Employees and Directors Share-based Payment Arrangement, Employees and Directors [Member] Share-based Payment Arrangement, Employees and Directors CAPITAL REQUIREMENTS OF REGULATED ENTITIES Regulatory Capital Requirements under Broker-Dealer Regulations [Text Block] Regulatory Capital Requirements under Broker-Dealer Regulations [Text Block] Revenues / investment income Revenues And Investment Income Revenues And Investment Income Percentage of cash savings (as a percent) Tax Receivable Agreement, Percentage of Cash Savings Tax Receivable Agreement, Percentage of Cash Savings Supplemental disclosure of non-cash activities: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Equity-based compensation Equity-based compensation Share-Based Payment Arrangement, Noncash Expense Awards granted Shares Granted, Value, Share-Based Payment Arrangement, before Forfeiture Amounts Due from and Due to Affiliates Schedule Of Amounts Due From And Due To Affiliates Table [Table Text Block] Schedule of amounts due from and due to affiliates. Variable Rate [Axis] Variable Rate [Axis] Total debt securities, cost Debt Securities, Cost Debt Securities, Cost Equity-method investments Income (Loss) from Equity Method Investments Closed-end Closed-end Management Fees [Member] Closed-end Management Fees [Member] Number of debt instruments Debt Instrument, Number Of Debt Instruments Debt Instrument, Number Of Debt Instruments Purchases of fixed assets Payments to Acquire Property, Plant, and Equipment Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Senior unsecured notes purchase commitment Long-Term Purchase Commitment, Amount Weighted Average Weighted Average [Member] Incentive income compensation vesting period Incentive Income Compensation Expense, Vesting Period Incentive Income Compensation Expense, Vesting Period Schedule of Computations of Net Income Per Unit Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Loans to affiliates and employees Notes Receivable, Related Parties Proceeds from borrowing Proceeds from Related Party Debt Stock conversion ratio Conversion Of Stock, Conversion Ratio Conversion Of Stock, Conversion Ratio Schedule of Balance Sheet Offsetting Assets Offsetting Assets [Table Text Block]