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Equity [Abstract] Balance, beginning of period: Balance, end of period: Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Maximum share purchase, value Share-Based Compensation Arrangement by Share-Based Payment Award, Maximum Number of Shares Per Employee, Value Share-Based Compensation Arrangement by Share-Based Payment Award, Maximum Number of Shares Per Employee, Value Partnership And LLC Interests Partnership And LLC Interests [Member] Partnership And LLC Interests Adjustments to reconcile net income to net cash used in operating activities of Consolidated Funds: Adjustments To Reconcile Net Income (Loss) To Net Cash Provided By Operating Activities Of Consolidated Funds [Abstract] Adjustments To Reconcile Net Income (Loss) To Net Cash Provided By Operating Activities Of Consolidated Funds Minimum Minimum [Member] Restatement Determination Date Restatement Determination Date Adoption Date Trading Arrangement Adoption Date Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Amounts payable to StepStone Funds Other Liabilities, StepStone Funds [Member] Other Liabilities, StepStone Funds Related Party Transactions [Abstract] Due from affiliates Other Receivables Lease right-of-use assets, net Operating Lease, Right-of-Use Asset Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Exchange One Exchange One [Member] Exchange One Sterling Overnight Index Average Sterling Overnight Index Average [Member] Sterling Overnight Index Average Settlement of non-controlling interests related to awards of carried interest allocations Noncontrolling Interest, Increase From Settlement Of Non-Controlling Interests Related To Awards Of Carried Interest Allocations Noncontrolling Interest, Increase From Settlement Of Non-Controlling Interests Related To Awards Of Carried Interest Allocations Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Schedule of Fair Value of Liabilities and Assets Fair Value, Liabilities Measured on Recurring Basis [Table Text Block] Contributions to investments Payments to Acquire Equity Method Investments Incentive fees Total incentive fees Incentive Fees [Member] Incentive Fees Revolver Long-Term Debt, Gross Distributions received from investments Proceeds from Equity Method Investment, Distribution, Return of Capital Exercise Price Award Exercise Price Earnings Per Share Earnings Per Share [Text Block] Accrued compensation and benefits Increase (Decrease) in Employee Related Liabilities Arrangement Duration Trading Arrangement Duration Subsequent Event Subsequent Event [Member] Expenses Costs and Expenses [Abstract] Intangibles and Goodwill Goodwill and Intangible Assets Disclosure [Text Block] Schedule of Variable Interest Entities [Table] Variable Interest Entity [Table] Granted (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Non-Controlling Interests in Subsidiaries Subsidiaries [Member] Class D exchange agreement, period Transaction Agreement, Maximum Period To Exchange Shares Transaction Agreement, Maximum Period To Exchange Shares Investments, at fair value Investments Income Taxes Income Tax, Policy [Policy Text Block] Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Investments in funds Equity Method Investments, Excluding Accrued Carried Interest Allocations Equity Method Investments, Excluding Accrued Carried Interest Allocations Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] FY2029 Finite-Lived Intangible Asset, Expected Amortization, Year Four All Individuals All Individuals [Member] PEO PEO [Member] Variable Rate [Axis] Variable Rate [Axis] Income Tax Disclosure [Abstract] Entities [Table] Entities [Table] Name Trading Arrangement, Individual Name Other income (loss) Other Nonoperating Income (Expense) Intangibles, net Intangible Assets, Net (Excluding Goodwill) Investment in fund, before eliminations Investment In Fund, Before Eliminations Investment In Fund, Before Eliminations Accrued dividends Dividends Incurred But Not Yet Paid Dividends Incurred But Not Yet Paid Investment income Income (Loss) from Equity Method Investments Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Number of shares reserved for future issuance (in shares) Common Stock, Capital Shares Reserved for Future Issuance Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Base interest rate Debt Instrument, Base Interest Rate Debt Instrument, Base Interest Rate Related Party [Domain] Related and Nonrelated Parties [Domain] Percentage of total net cash savings due to exchanging limited partners Incremental Net Cash Tax Savings Due To Exchanging Limited Partners, Percent Incremental Net Cash Tax Savings Due To Exchanging Limited Partners, Percent Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Local Phone Number Local Phone Number Fund reimbursement revenues Management And Advisory Fees, Net, Fund Reimbursement Revenues [Member] Management And Advisory Fees, Net, Fund Reimbursement Revenues Liability Class [Axis] Liability Class [Axis] Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Net unrealized gains on investments Unrealized Gain (Loss) on Investments Schedule of Equity Method Investments [Table] Equity Method Investment [Table] Total performance fee-related compensation Performance Fee-Related Compensation Related to Carried Interest Allocation Performance Fee-Related Compensation Related to Carried Interest Allocation Other assets and receivables Increase (Decrease) in Other Operating Assets Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Secured Overnight Financing Rate (SOFR) Secured Overnight Financing Rate (SOFR) [Member] Statement of Partners' Capital [Abstract] Legacy Greenspring accrued carried interest allocations Legacy Accrued Carried Interest Allocations Legacy Accrued Carried Interest Allocations PEO Total Compensation Amount PEO Total Compensation Amount Discount rate Share-Based Compensation Arrangement by Share-Based Payment Award, Purchase Price of Common Stock, Percent Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Accrued carried interest allocations Equity Method Investments, Accrued Carried Interest Allocations Equity Method Investments, Accrued Carried Interest Allocations Total equity method income Revenue Not From Contract With Customer, Income Loss From Equity Method Investments And Investment Income Revenue Not From Contract With Customer, Income Loss From Equity Method Investments And Investment Income Two Investments Two Investments [Member] Two Investments Impairment of finite-lived intangible assets Impairment of Intangible Assets, Finite-Lived Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Debt Disclosure [Abstract] Proceeds from sale of investments of Consolidated Funds Proceeds From Sale Of Consolidated Funds Proceeds From Sale Of Consolidated Funds Common Stock Common Stock [Member] Measure: Measure [Axis] Asset Class [Domain] Asset Class [Domain] Investments: Investments [Abstract] Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Schedule of Changes in the Fair Value of Level III Financial Instruments Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Accrued carried interest-related compensation Equity Method Investment, Accrued Carried Interest Related Compensation Payable Equity Method Investment, Accrued Carried Interest Related Compensation Payable Credit Agreement Line of Credit [Member] Entity Emerging Growth Company Entity Emerging Growth Company Total liabilities Liabilities, Fair Value Disclosure Entity Central Index Key Entity Central Index Key Equity reallocation between controlling and non-controlling interests Adjustments To Additional Paid In Capital, Reallocation Of Noncontrolling Interest Adjustments To Additional Paid In Capital, Reallocation Of Noncontrolling Interest Equity Method Investments and Joint Ventures [Abstract] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Foreign currency translation adjustments Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Unfunded capital commitments Off-Balance-Sheet, Credit Loss, Liability Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Legacy Greenspring investments in funds and accrued carried interest allocations Legacy Investments In Funds And Accrued Carried Interest Allocations Legacy Investments In Funds And Accrued Carried Interest Allocations Shares available for issuance as consideration (in shares) Stockholder's Equity, Transaction Agreements, Shares Available For Issuance As Consideration Stockholder's Equity, Transaction Agreements, Shares Available For Issuance As Consideration Stockholders' Equity and Redeemable Non-Controlling Interests Equity [Text Block] Partner Type of Partners' Capital Account, Name [Domain] Partner Type of Partners' Capital Account, Name [Domain] Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Equity Component [Domain] Equity Component [Domain] Reconciliation of cash, cash equivalents and restricted cash: Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents [Abstract] Legacy gross carried interest allocation, focused comingled funds Legacy Gross Carried Interest Allocation, Focused Commingled Funds [Member] Legacy Gross Carried Interest Allocation, Focused Commingled Funds Change in fair value Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Adjustments to reconcile net income to net cash provided by operating activities: Adjustments, Noncash Items, to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Membership ownership percentage Limited Liability Company (LLC) or Limited Partnership (LP), Managing Member or General Partner, Ownership Interest Fair value adjustment for acquisition-related contingent consideration Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability Equity-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Changes in fair value hierarchy levels Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers, Net Entity Shell Company Entity Shell Company Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Accumulated Other Comprehensive Income Comprehensive Income, Policy [Policy Text Block] Class B Common Stock Class B units Common Class B [Member] Title Trading Arrangement, Individual Title Consolidated Entities [Axis] Consolidated Entities [Axis] Statement [Table] Statement [Table] Counterparty Name [Axis] Counterparty Name [Axis] Measurement Frequency [Domain] Measurement Frequency [Domain] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Unrecognized tax benefits Unrecognized Tax Benefits Schedule of Carrying Value of the Assets and Liabilities of the Company's Variable Interest Entities Schedule of Variable Interest Entities [Table Text Block] Numerator: Net Income (Loss) Available to Common Stockholders, Diluted [Abstract] City Area Code City Area Code Contingent consideration obligation Business Combination, Contingent Consideration, Liability Deferred tax effect resulting from transactions affecting ownership in the Partnership, including net amounts payable under Tax Receivable Agreements Deferred Tax Effect From Purchase Of Units, Net Deferred Tax Effect From Purchase Of Units, Net Revenues Revenue [Policy Text Block] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Level I Fair Value, Inputs, Level 1 [Member] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Statement of Cash Flows [Abstract] Non-cash operating, investing, and financing activities: Noncash Investing and Financing Items [Abstract] Weighted-Average Grant-Date Fair Value Per RSU Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Economic interest Economic Ownership Interest Economic Ownership Interest Subsequent Event Type [Axis] Subsequent Event Type [Axis] Income Taxes Income Tax Disclosure [Text Block] Consolidated Entities, Excluding Legacy Entities Consolidated Entities, Excluding Legacy Entities [Member] Consolidated Entities, Excluding Legacy Entities FY2029 Lessee, Operating Lease, Liability, to be Paid, Year Four Net income per share of Class A common stock: Earnings Per Share [Abstract] Performance fee-related compensation: Share-Based Payment Arrangement, Recognized Amount [Abstract] Equity [Abstract] Retained earnings Retained Earnings (Accumulated Deficit) Tax Receivable Agreements Tax Receivable Agreement, Policy [Policy Text Block] Tax Receivable Agreement, Policy Class of Stock [Domain] Class of Stock [Domain] Distributions payable to certain employee equity holders of consolidated subsidiaries Related Party Transaction [Line Items] Net income (loss) Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest Schedule of Debt Obligations Schedule of Debt [Table Text Block] General, administrative and other General and Administrative Expense Change in deferred income taxes Deferred Income Taxes and Tax Credits Organization, Consolidation and Presentation of Financial Statements [Abstract] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Equity Awards Adjustments Equity Awards Adjustments [Member] Weighted-average discount rate for operating leases Operating Lease, Weighted Average Discount Rate, Percent Lease liabilities Total operating lease liabilities Operating Lease, Liability Net cash used in financing activities Net Cash Provided by (Used in) Financing Activities Underlying Securities Award Underlying Securities Amount Cash flows from financing activities of Consolidated Funds: Adjustments To Reconcile Net Income (Loss) To Cash Provided By (Used In) Financing Activities [Abstract] Adjustments To Reconcile Net Income (Loss) To Cash Provided By (Used In) Financing Activities, Consolidated Funds Focused commingled funds Incentive Fees, Focused Commingled Funds [Member] Incentive Fees, Focused Commingled Funds Credit Facility [Axis] Credit Facility [Axis] Dividends declared Dividends, Common Stock, Cash Consolidated Funds Consolidated Funds [Member] Consolidated Funds Amendment Flag Amendment Flag Entity Registrant Name Entity Registrant Name Accounts payable, accrued expenses and other liabilities Accounts Payable and Other Accrued Liabilities Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Depreciation and amortization Depreciation, Depletion and Amortization Carried interest allocations Carried Interest Allocation [Member] Carried Interest Allocation Fair Value as of Grant Date Award Grant Date Fair Value Class A common stock issued in exchange for Class B and Class C partnership units (in shares) Stockholders' Equity, Units Exchanged In Offering, Shares Stockholders' Equity, Units Exchanged In Offering, Shares Subsequent Events [Abstract] Three Investments Three Investments [Member] Three Investments Less: Debt issuance costs Debt Issuance Costs, Net Level II Fair Value, Inputs, Level 2 [Member] Debt Obligations Debt Disclosure [Text Block] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Payments to related parties under Tax Receivable Agreements Payments to related parties under Tax Receivable Agreements Payments To Related Parties, Tax Receivable Agreements Payments To Related Parties, Tax Receivable Agreements Stockholders’ equity: Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Geographical [Domain] Geographical [Domain] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Settlements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements Entity Address, Postal Zip Code Entity Address, Postal Zip Code Consolidation Consolidation, Policy [Policy Text Block] Distributions to non-controlling interests Payments of Ordinary Dividends, Noncontrolling Interest Restatement Determination Date: Restatement Determination Date [Axis] Title of 12(b) Security Title of 12(b) Security Concentration Risk Type [Axis] Concentration Risk Type [Axis] Common stock Common Stock, Value, Issued Class B common stock purchased at par value in connection with vesting of Class B2 units (in shares) Stockholders' Equity, Stock Purchased At Par Value In Connection With Vesting of Class B2 Units Stockholders' Equity, Stock Purchased At Par Value In Connection With Vesting of Class B2 Units Accounting for Differing Fiscal Periods Fiscal Period, Policy [Policy Text Block] Purchase period Share-Based Compensation Arrangement By Share-based Payment Award, Purchase Period Share-Based Compensation Arrangement By Share-based Payment Award, Purchase Period Share-Based Payment Arrangement [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Changes in unrealized (gains) losses included in earnings related to financial instruments still held at the reporting date Fair Value, Liability, Recurring Basis, Still Held, Unrealized Gain (Loss) Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Forfeited (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Comingled Funds Concentration Risk Comingled Funds Concentration Risk [Member] Comingled Funds Concentration Risk Fair Value by Liability Class [Domain] Fair Value by Liability Class [Domain] Cash flows from financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Variable Interest Entity, Not Primary Beneficiary Variable Interest Entity, Not Primary Beneficiary [Member] Employee Stock Employee Stock [Member] Basic (in dollars per share) Basic (in dollars per share) Earnings Per Share, Basic Operating cash flows used for operating leases Operating Lease, Payments Deferred tax effect resulting from transactions affecting ownership in the Partnership, net of amounts payable under Tax Receivable Agreements Adjustments To Additional Paid In Capital, Deferred Tax Effect Of Exchange Adjustments To Additional Paid In Capital, Deferred Tax Effect Of Exchange Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Schedule of Product Information [Table] Nature of Operation, Product Information, Concentration of Risk [Table] Vested (in shares) Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Vested Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Vested Ownership [Domain] Ownership [Domain] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Denominator: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Total assets Total assets Assets FY2026 Finite-Lived Intangible Asset, Expected Amortization, Year One Contributions Noncontrolling Interest, Increase from Subsidiary Equity Issuance Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Commitments and contingencies (Note 14) Commitments and Contingencies Partnerships and LLC Interests Partnerships and LLC Interests [Member] Partnerships and LLC Interests Investments Equity Method Investments and Joint Ventures Disclosure [Text Block] Termination Date Trading Arrangement Termination Date Schedule of Related Party Transactions, by Related Party [Table] Related Party Transaction [Table] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Total revenues Revenues FY2027 Lessee, Operating Lease, Liability, to be Paid, Year Two Equity-Based Compensation Share-Based Payment Arrangement [Text Block] Spread on base commitment fee percentage if utilization less than 50% Line Of Credit Facility, Commitment Fee Percentage, Spread On Base If Utilization Less Than 50 Percent Line Of Credit Facility, Commitment Fee Percentage, Spread On Base If Utilization Less Than 50 Percent Class B2 units Class B2 Unit [Member] Class B2 Unit Other liabilities Other Liabilities Revenue from External Customers by Geographic Areas Revenue from External Customers by Geographic Areas [Table Text Block] Lease right-of-use assets, net and lease liabilities Increase (Decrease) In Lease Right Of Use Assets, Net Of Lease Liabilities Increase (Decrease) In Lease Right Of Use Assets, Net Of Lease Liabilities Entity Address, City or Town Entity Address, City or Town Leases Lessee, Leases [Policy Text Block] Legacy Greenspring accrued carried interest-related compensation Legacy Investment, Accrued Carried Interest Related Compensation Payable Legacy Investment, Accrued Carried Interest Related Compensation Payable Partner Type [Axis] Partner Type [Axis] Net income attributable to StepStone Group Inc. Net income attributable to StepStone Group Inc. – Basic Net Income (Loss) Attributable to Parent Equity-based compensation Liability based awards, expense Share-Based Payment Arrangement, Expense Trading Arrangement: Trading Arrangement [Axis] Exchange of Class B and Class C units for Class A common stock and redemption of corresponding Class B common stock Stock Issued During Period, Value, Conversion of Convertible Securities Other Commitments [Table] Other Commitments [Table] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Variable Interest Entity, Not Primary Beneficiary, Legacy Entities Variable Interest Entity, Not Primary Beneficiary, Legacy Entities [Member] Variable Interest Entity, Not Primary Beneficiary, Legacy Entities Forfeited (in shares) Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Schedule of Intangible Assets, Net Schedule of Finite-Lived Intangible Assets [Table Text Block] Annual exchanges Transaction Agreement, Number of Annual Exchanges Transaction Agreement, Number of Annual Exchanges Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Transaction agreement, exchange ratio Transaction Agreement, Exchange Ratio Transaction Agreement, Exchange Ratio 1 Month Term Secured Overnight Financing Rate (SOFR) 1 Month Term Secured Overnight Financing Rate (SOFR) [Member] 1 Month Term Secured Overnight Financing Rate (SOFR) Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Schedule of Investments of Consolidated Funds Consolidated Funds Investments [Table Text Block] Consolidated Funds Investments Entity File Number Entity File Number Common stock, number of votes Common Stock, Number of Votes Common Stock, Number of Votes Revenues Revenue from Contract with Customer [Text Block] Consolidated Entities [Domain] Consolidated Entities [Domain] Document Fiscal Year Focus Document Fiscal Year Focus Noncontrolling Interest Noncontrolling Interest [Member] Income Statement [Abstract] Entity Address, Address Line One Entity Address, Address Line One Weighted-average shares of Class A common stock: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Due to affiliates Increase (Decrease) in Due to Related Parties Entity Address, Address Line Two Entity Address, Address Line Two Effect of foreign currency exchange rate changes Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash, and Restricted Cash Equivalents, Continuing Operations Changes to uncertain tax positions Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit Total assets Assets, Fair Value Disclosure Name Forgone Recovery, Individual Name Remainder of FY2025 Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Weighted-average remaining lease term for operating leases Operating Lease, Weighted Average Remaining Lease Term Document Period End Date Document Period End Date Sale of Stock [Axis] Sale of Stock [Axis] Proceeds from sale of non-controlling interests Contributions from redeemable non-controlling interests in Consolidated Funds Proceeds from Noncontrolling Interests Investments Investment, Policy [Policy Text Block] Other non-cash activities Other Noncash Income (Expense) Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Carried interest allocation as percentage of cumulative fund or account performance Revenue, Carried Interest Allocation As Percentage Of Cumulative Fund Or Account Performance Revenue, Carried Interest Allocation As Percentage Of Cumulative Fund Or Account Performance Total lease liabilities Lessee, Operating Lease, Liability, to be Paid Class Of Partnership Unit [Domain] Class Of Partnership Unit [Domain] Class Of Partnership Unit [Domain] Beginning balance (in shares) Ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Asset Class [Axis] Asset Class [Axis] Insider Trading Arrangements [Line Items] Due from affiliates Increase (Decrease) in Due from Related Parties Line of Credit Facility [Line Items] Line of Credit Facility [Line Items] SPD SPD [Member] SPD Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Schedule of Rollforward of the Company's Shares of Common Stock Outstanding Since IPO Schedule of Stock by Class [Table Text Block] Increase in due to related parties, tax receivable agreements Increase (Decrease) In Due To Related Parties, Tax Receivable Agreements Increase (Decrease) In Due To Related Parties, Tax Receivable Agreements FY2028 Lessee, Operating Lease, Liability, to be Paid, Year Three PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Deferred revenue, revenue recognized Contract with Customer, Liability, Revenue Recognized Adjustment to Compensation: Adjustment to Compensation [Axis] Less: Net income attributable to non-controlling interests Net Income (Loss) Attributable to Noncontrolling Interest Subsidiary or Equity Method Investee, Sale of Stock by Subsidiary or Equity Investee [Table] Subsidiary or Equity Method Investee, Sale of Stock, Type [Table] Maximum exposure to loss Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount Document Transition Report Document Transition Report Document Quarterly Report Document Quarterly Report Noncontrolling Interests In Consolidated Funds Redeemable Noncontrolling Interest [Table Text Block] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Current Reporting Status Entity Current Reporting Status Purchases Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases Retained Earnings Retained Earnings [Member] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Current Events Current Events [Policy Text Block] Current Events Related Party [Axis] Related and Nonrelated Parties [Axis] Basic (in shares) Weighted-average shares of Class A common stock outstanding – Basic (in shares) Weighted Average Number of Shares Outstanding, Basic Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Increase in deferred tax assets, exchange of partnership units for common stock Increase (Decrease) In Deferred Tax Assets, Exchange Of Partnership Units For Common Stock Increase (Decrease) In Deferred Tax Assets, Exchange Of Partnership Units For Common Stock Subsidiary, Sale of Stock [Line Items] Subsidiary, Sale of Stock [Line Items] Total stockholders’ equity Total stockholders' equity, beginning balance Total stockholders' equity, ending balance Total stockholders' equity Equity, Including Portion Attributable to Noncontrolling Interest Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] Non-Controlling Interests Consolidation, Subsidiaries or Other Investments, Consolidated Entities, Policy [Policy Text Block] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Executive Category: Executive Category [Axis] Name Awards Close in Time to MNPI Disclosures, Individual Name Spread on base commitment fee percentage if utilization greater than 50% Line Of Credit Facility, Commitment Fee Percentage, Spread On Base If Utilization Greater Than 50 Percent Line Of Credit Facility, Commitment Fee Percentage, Spread On Base If Utilization Greater Than 50 Percent Revenue Benchmark Revenue Benchmark [Member] Entity Filer Category Entity Filer Category Letters of credit Letter of Credit [Member] Equity issued for redemption of redeemable non-controlling interests Stock Issued For Acquisitions Stock Issued For Acquisitions Company Selected Measure Name Company Selected Measure Name