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Interest expense, net interest Expense Related To Contingent Consideration Liabilities interest expense related to contingent consideration liabilities. Mark S. Katz [Member] Mark S. Katz Amortization Amortization Leases [Abstract] Measurement Input, Credit Spread Measurement Input, Credit Spread [Member] Consolidated Entities [Domain] Consolidated Entities [Domain] Related Parties Related Party Transactions Disclosure [Text Block] Mark S. Katz Trading Arrangement, Upon Conversion Of LLC Common Units [Member] Mark S. Katz Trading Arrangement, Upon Conversion Of LLC Common Units Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Reclassification Out Of Accumulated Other Comprehensive Income Reclassification out of Accumulated Other Comprehensive Income [Member] NON-CURRENT LIABILITIES Liabilities, Noncurrent [Abstract] Other intangible assets Intangible Asset, Excluding Goodwill, after Accumulated Amortization Unvested at beginning of period (in shares) Unvested at end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Tranche 1 Share-Based Payment Arrangement, Tranche One [Member] Payments related to Ryan Re preferred units Payments For Distribution, Accrued Return And Return Of Capital Payments For Distribution, Accrued Return And Return Of Capital NET INCOME PER SHARE OF CLASS A COMMON STOCK: Earnings per share Earnings Per Share, Basic And Diluted EPS [Abstract] Earnings Per Share, Basic And Diluted EPS Restricted Common Units Restiricted Common Units [Member] Restiricted Common Units [Member] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Non-cash related activities Leases, Non Cash Related Activities [Abstract] Leases, Non Cash Related Activities Number of reportable segments Number of Reportable Segments Total current liabilities Liabilities, Current Short-Term Debt, Type [Domain] Short-Term Debt, Type [Domain] Lease costs Lease, Cost [Abstract] Entity Address, City or Town Entity Address, City or Town Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Receivables [Abstract] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Title and Position [Domain] Title and Position [Domain] Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Level 2 Fair Value, Inputs, Level 2 [Member] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Cash and common stock clawbacks related to vested equity awards (in shares) Cash Clawback and Stock Forfeited And Retired During Period, Including Clawback Of Vested Equity Awards, Shares Cash Clawback and Stock Forfeited And Retired During Period, Including Clawback Of Vested Equity Awards, Shares Fiduciary cash and receivables Fiduciary Cash and Receivables Fiduciary cash and receivables. Foreign currency translation adjustments Tax Expense Benefit On Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax expense benefit on other comprehensive income loss foreign currency translation adjustment. 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Debt term Debt Instrument, Term Reclassification out of Accumulated Other Comprehensive Income [Domain] Reclassification out of Accumulated Other Comprehensive Income [Domain] Business Combinations, Aggregate Business Combinations Business Combinations, Aggregate Business Combinations [Member] Business Combinations, Aggregate Business Combinations Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax Entity Shell Company Entity Shell Company Class B Common Stock Common Class B [Member] Total (gains) losses included in earnings Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Operating lease liabilities Operating Lease, Liability, Current Summary of Changes in Allowance for Expected Credit Losses Accounts Receivable, Allowance for Credit Loss [Table Text Block] GR Bermuda SAC Ltd GR Bermuda SAC Ltd [Member] GR Bermuda SAC Ltd Earnings Per Share Earnings Per Share [Text 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Credit Facility [Domain] CASH FLOWS FROM OPERATING ACTIVITIES Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Credit Agreement Credit Agreement [Member] Credit Agreement Other current receivables Other Receivables, Net, Current Receipt of contingently returnable consideration Proceeds From Contingently Returnable Consideration, Financing Activities Proceeds From Contingently Returnable Consideration, Financing Activities Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Contingently returnable consideration, maximum Business Combination Contingent Consideration Obligations Related To Maximum Returnable Consideration Business combination contingent consideration obligations related to maximum returnable consideration Summary of Major Classes of Other Current Assets Schedule of Other Current Assets [Table Text Block] Cash paid for amounts included in the measurement of lease 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Equity, Attributable to Parent Cash and common stock clawbacks related to vested equity awards Cash Clawback and Stock Forfeited And Retired During Period, Including Clawback Of Vested Equity Awards, Value Cash Clawback and Stock Forfeited And Retired During Period, Including Clawback Of Vested Equity Awards, Value ASSETS Assets [Abstract] Insider Trading Policies and Procedures [Line Items] Tax Receivable Agreement liabilities Non Cash Tax Receivable Agreement Liabilities Non cash tax receivable agreement liabilities. Strike rate Derivative, Cap Interest Rate Measurement period adjustments increase (decrease), goodwill Goodwill, Measurement Period Adjustment Pro Rata Pro Rata [Member] Pro rata vesting period. Liabilities Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Deferred income tax expense Deferred Income Tax Expense (Benefit) Interest expense, net Interest Income (Expense), Nonoperating Prepaid incentives – net Prepaid Expense, Noncurrent Payments for derivative instrument Payments for Derivative Instrument, Financing Activities Antidilutive securities (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Number of operating segments Number of Operating Segments Entity Central Index Key Entity Central Index Key Equity [Abstract] Equity [Abstract] 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] Other comprehensive income (loss) before reclassifications Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Ownership [Axis] Ownership [Axis] AOCI Attributable to Noncontrolling Interest AOCI Attributable to Noncontrolling Interest [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Investment, Name [Axis] Investment, Name [Axis] Receivables and Other Current Assets Receivables And Current Assets [Text Block] Receivables and current assets. Designated As Hedging Instrument Designated as Hedging Instrument [Member] Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions Schedule of Share-Based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Organization Organization [Policy Text Block] Disclosure of organization policy. Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding [Roll Forward] Basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Pre-IPO M&A Tax Attributes Pre-IPO M&A Tax Attributes [Member] Pre-IPO M&A tax attributes. Customer relationships Finite-Lived Customer Relationships, Net Amount after accumulated impairment loss of an asset representing customer relationships. Income Tax Examination [Line Items] Income Tax Examination [Line Items] Restricted Stock Restricted Stock [Member] Conversion ratio Share-Based Compensation Arrangement By Share-Based Payment Award, Conversion Ratio Share-Based Compensation Arrangement By Share-Based Payment Award, Conversion Ratio Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent AOCI Attributable to Parent [Member] Share Repurchases and Retirements Share Repurchases And Retirements, Policy [Policy Text Block] Share Repurchases And Retirements, Policy All Individuals All Individuals [Member] Summary of Revenue from External Customers by Geographic Areas Segment Reporting, Entity-Wide Information Not Provided as Part of Reportable Segment, Geographical Area, Revenue [Table Text Block] Dividends paid Payments of Dividends Assets Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Weighted Average Remaining Expense Period (Years) Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Equity consideration for acquisition Business Combination, Consideration Transferred, Equity Interest 360° Underwriting 360° Underwriting [Member] 360° Underwriting Total non-current assets Assets, Noncurrent Statement [Line Items] Statement [Line Items] TOTAL ASSETS Assets Reload Class C Incentive Units Class C Incentive Unit Reload Options [Member] Class C incentive units reload options Wholesale Brokerage Wholesale Brokerage [Member] Wholesale brokerage. Fiduciary investment income Investment Income, Net Business platform optimization Business Platform Optimization [Member] Business Platform Optimization Interest expense Interest Expense, Nonoperating Fair value per option (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Equity-Based Compensation Share-Based Payment Arrangement [Text Block] PEO PEO [Member] Beginning balance (in shares) Ending balance (in shares) Shares, Outstanding Total debt Debt, Long-Term and Short-Term, Combined Amount Restructuring plan, benefits expected Restructuring Plan, Benefits, Expected Restructuring Plan, Benefits, Expected Other non-current liabilities Other Liabilities, Noncurrent Goodwill Goodwill Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Ryan Re Services Agreements, Prepaid Expenses Ryan Re Services Agreements, Prepaid Expenses [Member] Ryan Re Services Agreements, Prepaid Expenses Retained Earnings Retained Earnings [Member] Operating lease liabilities Operating Lease, Liability, Noncurrent Total operating expenses Operating Expenses Revolving Credit Facility Revolving Credit Facility [Member] Nature of Operations Nature Of Operations [Policy Text Block] Nature of operations. Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Common stock, outstanding (in shares) Common Stock, Shares, Outstanding Award Timing Disclosures [Line Items] Foreign Currency Translation Adjustments Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Diluted (in dollars per share) Earnings per share of Class A common stock – diluted (in dollars per share) Earnings Per Share, Diluted Volatility, maximum Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum Foreign Currency Translation Adjustments Accumulated Foreign Currency Adjustment Attributable to Noncontrolling Interest [Member] Ownership [Domain] Ownership [Domain] Borrowings on Revolving Credit Facility Proceeds from Long-Term Lines of Credit IPO IPO [Member] Share-Based Payment Arrangement [Abstract] Share-Based Payment Arrangement [Abstract] Net commissions and fees Revenue from Contract with Customer, Excluding Assessed Tax Weighted-average remaining lease term (years) Weighted Average Remaining Lease Term [Abstract] Weighted average remaining lease term. Repayment of term debt Repayments of Other Long-Term Debt Summary of Changes in Restructuring Liability Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Common stock aggregate purchase price Stock Repurchased During Period, Value Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Accrued interest liability Increase (Decrease) in Interest Payable, Net Ryan Re Services Agreements, Expenses Ryan Re Services Agreements, Expenses [Member] Ryan Re Services Agreements, Expenses Risk-free rate, minimum Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum Title and Position [Axis] Title and Position [Axis] Staking Options Staking Options [Member] Staking Options. Sale of Stock [Axis] Sale of Stock [Axis] Change in share of equity method investments’ other comprehensive income (loss) OCI, Equity Method Investment, after Tax, Parent Impact of gains (losses) on non-hedging and hedging derivatives Derivative, Gain (Loss) on Derivative, Net OPERATING INCOME Operating Income (Loss) Related Party Transaction [Domain] Related Party Transaction [Domain] Mergers and Acquisitions Business Combination [Text Block] Velocity Risk Underwriters, LLC Velocity Risk Underwriters, LLC [Member] Velocity Risk Underwriters, LLC Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Income Tax, Examination [Table] Income Tax, Examination [Table] Forfeiture and retirement of common stock (in shares) Stock Forfeited And Retired During Period, Shares Stock Forfeited And Retired During Period, Shares Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Common stock, issued (in shares) Common Stock, Shares, Issued Balance at beginning of period Balance at end of period Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Basis of Presentation Business Description and Basis of Presentation [Text Block] Accumulated Other Comprehensive Income (Loss) Comprehensive Income (Loss) Note [Text Block] Product and Service [Domain] Product and Service [Domain] Supplemental Financial Information Supplemental Financial Information Disclosures [Text Block] The entire disclosure for supplemental financial information. Class of Stock [Line Items] Class of Stock [Line Items] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Ryan Re Services Agreements Ryan Re Services Agreements [Member] Ryan Re Services Agreements Change in EMI Other Comprehensive Income (Loss) AOCI, Equity Method Investment, Noncontrolling Interest [Member] Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] Deferred tax liabilities Deferred Income Tax Liabilities, Net Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] 8-year senior secured notes, semi-annual interest payments, 4.38%, mature February 1, 2030 Senior Secured Notes Due February 2030 [Member] Senior Secured Notes Due February 2030 Termination Date Trading Arrangement Termination Date Subsequent Events [Abstract] Subsequent Events [Abstract] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Accrued interest Tax Receivable Agreement, Accrued Interest Tax Receivable Agreement, Accrued Interest Statutory rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Underwriting Management Underwriting Management [Member] Underwriting management. Equity method investment, gain on dilution Equity Method Investment, Gain (Loss) On Dilution and Disposal Equity Method Investment, Gain (Loss) On Dilution and Disposal Change in share of equity method investments’ other comprehensive income (loss) OCI, Equity Method Investment, Tax Fair Value as of Grant Date Award Grant Date Fair Value Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table] Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table] Incentive RLUs Incentive RLU [Member] Incentive RLU. Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Share repurchase program, remaining authorized, amount Share Repurchase Program, Remaining Authorized, Amount Reload and Staking Options Reload and Staking Options [Member] Reload and staking options. Arrangement Duration Trading Arrangement Duration Entity Address, Postal Zip Code Entity Address, Postal Zip Code Entity Registrant Name Entity Registrant Name Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Total revenue Total revenue Revenues Income from equity method investments Income from equity method investments Income from equity method investments Income (Loss) from Equity Method Investments Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Award vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Common stock voting rights in the future (in votes) Common Stock, Expected Voting Rights, Number Of Votes Common Stock, Expected Voting Rights, Number Of Votes Geneva Ryan Holdings, LLC Geneva Ryan Holdings, LLC [Member] Geneva Ryan Holdings, LLC Weighted-average remaining contractual term, options exercisable Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted-Average Remaining Contractual Term Ryan Specialty, LLC Ryan Specialty, LLC [Member] Ryan Specialty, LLC Summary of Fair Value, Assets and Liabilities Measured on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Award Type [Domain] Award Type [Domain] Award Type [Domain] Contingently returnable consideration settlements, operating section Proceeds From Contingently Returnable Consideration, Operating Activities Proceeds From Contingently Returnable Consideration, Operating Activities Fair Value Measurements Fair Value Disclosures [Text Block] Level 3 Fair Value, Inputs, Level 3 [Member] Summary of Change in Contingent Consideration and Interest Expense Business Combination, Contingent Consideration [Table Text Block] Time to maturity (years) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Share price (in dollars per share) Share Price Restricted LLC Units Restricted LLC Units [Member] Restricted LLC Units . Ownership percentage, non-controlling Subsidiary, Ownership Percentage, Noncontrolling Owner Geographical [Axis] Geographical [Axis] Contract liabilities Contract with Customer, Liability Payment of contingent consideration Settlements on contingent consideration, financing activities Payment for Contingent Consideration Liability, Financing Activities Increase in tax receivable liabilities recognized in additional paid-in capital Increase In Tax Receivable Agreement Liabilities Due To Exchanges Of LLC Common Units Increase In Tax Receivable Agreement Liabilities Due To Exchanges Of LLC Common Units Legal Entity [Axis] Legal Entity [Axis] Share of equity method investments’ other comprehensive loss reclassified to earnings OCI, Equity Method Investment, Reclassification Adjustment From AOCI, Tax OCI, Equity Method Investment, Reclassification Adjustment From AOCI, Tax Payments Payments for Restructuring CASH, CASH EQUIVALENTS, AND CASH AND CASH EQUIVALENTS HELD IN A FIDUCIARY CAPACITY—Beginning balance CASH, CASH EQUIVALENTS, AND CASH AND CASH EQUIVALENTS HELD IN A FIDUCIARY CAPACITY—Ending balance Total cash, cash equivalents, and cash and cash equivalents held in a fiduciary capacity Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Non-NEOs Non-NEOs [Member] Equity method investment, ownership percentage Equity Method Investment, Ownership Percentage Cash consideration Payments to Acquire Businesses, Gross Staking Class C Incentive Units Class C Incentive Unit Staking Options [Member] Class C Incentive Unit Staking Options Investment, Name [Domain] Investment, Name [Domain] Leases Lessee, Operating Leases [Text Block] Long-Term Debt, Type [Domain] Long-Term Debt, Type [Domain] Repurchases of Class A common stock Repurchase and retirement of common stock Payments for Repurchase of Common Stock Measurement Input, Risk Free Interest Rate Measurement Input, Risk Free Interest Rate [Member] Statistical Measurement [Axis] Statistical Measurement [Axis] Summary of Location and Gains (Losses) on Derivatives in the Consolidated Statements of Income Derivative Instruments, Gain (Loss) [Table Text Block] Award Type [Axis] Award Type [Axis] Award Type [Axis] Significant Accounting Policies Significant Accounting Policies [Policy Text Block] Disclosure of significant accounting policies. Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Retained earnings Retained Earnings (Accumulated Deficit) Restructuring and Related Activities [Abstract] Restructuring and Related Activities [Abstract] Product and Service [Axis] Product and Service [Axis] Change in contingent consideration Business Combination, Contingent Consideration, Change in Contingent Consideration, Liability, Increase (Decrease) Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Principal outstanding Loans Payable, Noncurrent Weighted-average discount rate (percent) Leases, Weighted Average Discount Rate [Abstract] Leases, Weighted Average Discount Rate Common Stock Common Stock [Member] Excise tax payable on net share repurchases Share Repurchase Program, Excise Tax, Payable Operating lease costs Operating Lease, Cost Increase to non-controlling interest from difference between the carrying value and the fair value of investment transferred under common control Noncontrolling Interest, Increase From Value Of Investment Transferred Under Common Control Noncontrolling Interest, Increase From Value Of Investment Transferred Under Common Control Foreign Non-US [Member] Dividend yield Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Invested capital in equity method investment Equity Method Investment, Aggregate Cost Derivative Contract [Domain] Derivative Contract [Domain] Exchange of LLC equity for common stock Common Units Exchanged For Common Stock Value Common Units Exchanged For Common Stock Value TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities and Equity Employee Stock Option Share-Based Payment Arrangement, Option [Member] Non-controlling interests Equity, Attributable to Noncontrolling Interest Segments [Axis] Segments [Axis] Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Exchange of LLC equity for common stock (in shares) Common Units Exchanged For Common Stock Shares Common Units Exchanged For Common Stock Shares Related and Nonrelated Parties [Domain] Related and Nonrelated Parties [Domain] Charges Restructuring Charges Director Stock Grants Director Stock Grants [Member] Director Stock Grants [Member] Tabular List, Table Tabular List [Table Text Block] Vesting [Axis] Vesting [Axis] Additional paid-in capital Additional Paid in Capital Valuation Allowance [Line Items] Valuation Allowance [Line Items] Stockholders' equity ratio Stockholders' Equity Note, Ratio Stockholders' Equity Note, Ratio Name Awards Close in Time to MNPI Disclosures, Individual Name 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] Aggregate intrinsic value, options outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value Loss on Tax Receivable Agreement Gain (Loss) On Tax Receivable Agreement Gain (Loss) On Tax Receivable Agreement NON-CURRENT ASSETS Assets, Noncurrent [Abstract] Preferred stock ($0.001 par value; 500,000,000 shares authorized, 0 shares issued and outstanding at September 30, 2026 and December 31, 2025) Preferred Stock, Value, Issued Adjustment to Compensation: Adjustment to Compensation [Axis] Amounts reclassified to earnings Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Interest, net Interest Paid, Excluding Capitalized Interest, Operating Activity Asset acquisitions Payments to Acquire Productive Assets Foreign Currency Translation Adjustments Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest [Member] Hedging Designation [Axis] Hedging Designation [Axis] Credit Facility [Axis] Credit Facility [Axis] Restructuring Restructuring and Related Activities Disclosure [Text Block] Ryan Re Services Agreements, Service Fee Ryan Re Services Agreements, Service Fee [Member] Ryan Re Services Agreements, Service Fee Name Measure Name Pay vs Performance Disclosure [Line Items] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Debt Instrument [Line Items] Debt Instrument [Line Items] Additional Paid-in Capital Additional Paid-in Capital [Member] J.M. Wilson Corporation J.M. Wilson Corporation [Member] J.M. Wilson Corporation Accrued unused borrowing capacity fee Accrued Unused Borrowing Capacity Fee Accrued Unused Borrowing Capacity Fee Accrued compensation Accrued Compensation Non Current Accrued compensation non current. Name Trading Arrangement, Individual Name USQRisk Holdings, LLC USQRisk Holdings, LLC [Member] USQRisk Holdings, LLC Cash and cash equivalents Cash and cash equivalents Cash and cash equivalents Cash and Cash Equivalent Company Selected Measure Amount Company Selected Measure Amount Depreciation and amortization Depreciation, Depletion and Amortization Prepaid incentives – net Prepaid Incentives Prepaid Incentives Tax receivable agreement liability Tax Receivable Agreement Liability Tax receivable agreement liability. Increase share repurchase program, authorized, amount Share Repurchase Program, Authorized, Amount, Increase Share Repurchase Program, Authorized, Amount, Increase Operating leases Operating Lease, Weighted Average Remaining Lease Term IPO awards IPO Award [Member] IPO Award [Member] Non-PEO NEO Non-PEO NEO [Member] Forfeiture of common stock (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Forfeited Award Timing Method Award Timing Method [Text Block] NET CHANGE IN CASH, CASH EQUIVALENTS, AND CASH AND CASH EQUIVALENTS HELD IN A FIDUCIARY CAPACITY Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Volatility, minimum Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum Tranche 3 Share-Based Payment Arrangement, Tranche Three [Member] NET INCOME ATTRIBUTABLE TO RYAN SPECIALTY HOLDINGS, INC. Net Income (Loss) Attributable to Parent Long-Term Debt, Type [Axis] Long-Term Debt, Type [Axis] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Ryan Investment Holdings, LLC Ryan Investment Holdings, LLC [Member] Ryan Investment Holdings, LLC Location, Statement of Financial Position, Balance [Axis] Location, Statement of Financial Position, Balance [Axis] Restatement Determination Date: Restatement Determination Date [Axis] Summary of Changes in the Balance of Accumulated Other comprehensive Income, Net of Tax Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Foreign currency translation adjustments included in OCI Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Other Comprehensive Income (Loss) Commissions and fees receivable – net Increase (Decrease) in Receivables REVENUE Revenues [Abstract] Commercial notes, periodic interest and principal payments, 4.75%, expire March 15, 2027 Commercial Notes Due March 15, 2027 [Member] Commercial Notes Due March 15, 2027 Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Change in EMI Other Comprehensive Income (Loss) AOCI, Equity Method Investment, Parent [Member] Binding Authority Binding Authorities [Member] Binding authorities. PLUs PLUs [Member] PLUs. Statistical Measurement [Domain] Statistical Measurement [Domain] Document Fiscal Year Focus Document Fiscal Year Focus Acquisition related costs Business Combination, Acquisition-Related Cost, Expense Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Common stock Common Stock, Value, Issued Taxes paid related to net share settlement of equity awards Payment, Tax Withholding, Share-Based Payment Arrangement Summary of Outstanding Debt Schedule of Long-Term Debt Instruments [Table Text Block] Prepaid expenses Other Prepaid Expense, Current Line of Credit Line of Credit [Member] Restatement Determination Date Restatement Determination Date Measurement period adjustment, contingent consideration Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Contingent Consideration Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Contingent Consideration Balance at beginning of period Balance at end of period Accounts Receivable, Allowance for Credit Loss Add: Income attributed to dilutive shares Dilutive Securities, Effect on Basic Earnings Per Share Amendment Flag Amendment Flag Proceeds from sale of equity method investment in VSIC Proceeds from Sale of Equity Method Investments CURRENT LIABILITIES Liabilities, Current [Abstract] Increase in provision Accounts Receivable, Credit Loss Expense (Reversal) Distributions and Declared Distributions paid to non-controlling LLC Unitholders Payments To Noncontrolling Interests, Including Declared Distributions Payments To Noncontrolling Interests, Including Declared Distributions Total non-current liabilities Liabilities, Noncurrent Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Entity Address, State or Province Entity Address, State or Province Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent PEO Total Compensation Amount PEO Total Compensation Amount Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Assets Assets, Fair Value Disclosure [Abstract] Basic (in shares) Weighted-average shares of Class A common stock outstanding – basic (in shares) Weighted Average Number of Shares Outstanding, Basic Error and omissions insurance, aggregate coverage for losses (up to) Malpractice Insurance, Maximum Coverage Per Incident Measurement period adjustments, working capital Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Working Capital Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Working Capital Pre-IPO incentive awards Pre IPO Incentive Awards [Member] Pre IPO Incentive Awards [Member] Summary of Supplemental Cash Flow Information Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Document Information [Line Items] Document Information [Line Items] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Class of Stock [Axis] Class of Stock [Axis] Net income attributable to Class A common shareholders – basic Net Income (Loss) Available to Common Stockholders, Basic Prepaid and deferred compensation expense Prepaid And Deferred Compensation Expense Prepaid and deferred compensation expense. Sublease income Sublease Income Borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Per claim retention amount Malpractice Insurance, Deductible Reload Options Reload Options Reload Options [Member] Reload Options Recently Issued Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Gain on interest rate cap Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax Non-controlling Interests Noncontrolling Interest [Member] Amortization of deferred debt issuance costs Amortization of Debt Issuance Costs Incremental Restricted Stock and Reload Options Incremental Restricted Stock and Reload Options [Member] Incremental restricted stock and reload options. Long-term debt Long-Term Debt Related party transaction, rate Related Party Transaction, Rate Changes in operating assets and liabilities, net of acquisitions: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Forfeited or expired (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period Total cash flows used in investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Unrecognized tax benefits Unrecognized Tax Benefits Compensation and benefits Compensation Expense, Excluding Cost of Good and Service Sold Stockholders' Equity Equity [Text Block] Security Exchange Name Security Exchange Name Option Settlement Agreement Option Settlement Agreement [Member] Option Settlement Agreement Granted (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Reload and Staking Class C Incentive Units Reload and Staking Class C Incentive Units [Member] Reload and Staking Class C Incentive Units. Accrued compensation Accrued Compensation Current Accrued compensation current. Accrued interest Interest Payable, Current Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Conversion of non-controlling interest LLC Common Units Conversion Of Non Controlling Interest LLC Common Units [Member] Conversion of non controlling interest LLC common units. Name Outstanding Recovery, Individual Name Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Geographical [Domain] Geographical [Domain] 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] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Commercial notes, periodic interest and principal payments, 4.75%, expire June 21, 2027 Commercial Notes Due June 21, 2027 [Member] Commercial Notes Due June 21, 2027 Decrease in fair value of derivative instrument Unrealized Gain (Loss) on Derivatives Aggregate share repurchase amount Related Party Transaction, Aggregate Share Repurchase Amount Related Party Transaction, Aggregate Share Repurchase Amount Noncontrolling interest, ownership percentage by parent Subsidiary, Ownership Percentage, Parent WEIGHTED-AVERAGE SHARES OF CLASS A COMMON STOCK OUTSTANDING: Earnings Per Share, Basic And Diluted, Other Disclosure [Abstract] Earnings Per Share, Basic And Diluted, Other Disclosure Equity ownership percentage Equity Ownership, Excluding Consolidated Entity and Equity Method Investee, Percentage Related Party Transactions [Abstract] Related Party Transactions [Abstract] Compensation Amount Outstanding Recovery Compensation Amount Individual: Individual [Axis] Diluted (in shares) Weighted-average shares of Class A common stock outstanding – diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Entity Emerging Growth Company Entity Emerging Growth Company Related Party Transaction [Line Items] Related Party Transaction [Line Items] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Commercial Paper Commercial Paper [Member] Premium financing notes Short-Term Debt Summary of Recognized and Unrecognized Equity-Based Compensation Costs Summary Of Recognized And Unrecognized Equity Based Compensation Expenses [Table Text Block] Summary Of Recognized And Unrecognized Equity Based Compensation Expenses [Table Text Block] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Cash received from interest rate cap Derivative, Cash Received on Hedge Capital expenditures Payments for Capital Improvements Organization, Consolidation and Presentation of Financial Statements [Abstract] Derivative asset, notional amount Derivative Asset, Notional Amount Post-IPO incentive awards Post IPO Incentive Awards [Member] Post IPO Incentive Awards [Member] Unvested at beginning of period (in dollars per share) Unvested at end of period (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value All Executive Categories All Executive Categories [Member] Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Repayments on Revolving Credit Facility Repayments of Long-Term Lines of Credit Other comprehensive income (loss), net of tax: Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent [Abstract] Subsidiary of LLC or LP [Table] Subsidiary of LLC or LP [Table] Cash paid (received) for: Interest And Income Tax Paid [Abstract] Interest And Income Tax Paid Settlements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Settlements Percentage of net cash savings Percentage of Cash Savings Paid Percentage of cash savings paid. Summary of Reconciliation of the Numerator and Denominator Used in the Calculation of Basic and Diluted Earnings (Loss) Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Risk-free rate, maximum Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum Debt Disclosure [Abstract] Debt Disclosure [Abstract] Segment Reporting Segment Reporting [Text Block] Minimum Minimum [Member] Summary of Revenue with Customers by Specialty Disaggregation of Revenue [Table Text Block] Variable Interest Entities Variable Interest Entity Disclosure [Text Block] Denominator: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Location, Statement of Income, Balance [Axis] Location, Statement of Income, Balance [Axis] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Class C Incentive Units Class C Incentive Units [Member] Class C Incentive Units. Weighted-average remaining contractual term, options outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted-Average Remaining Contractual Term Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Business Combination [Line Items] Business Combination [Line Items] Options exercisable period (up to) Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Exercisable, Period Share-Based Compensation Arrangement By Share-Based Payment Award, Options, Exercisable, Period Common stock, authorized (in shares) Common Stock, Shares Authorized Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Exercise Price Award Exercise Price Restructuring Cost [Table] Restructuring Cost [Table] Segment Reporting [Line Items] Segment Reporting [Line Items] Share repurchase program, authorized, amount Share Repurchase Program, Authorized, Amount Document Quarterly Report Document Quarterly Report 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] Effect of changes in foreign exchange rates on cash, cash equivalents, and cash and cash equivalents held in a fiduciary capacity Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Tax Receivable Agreement, Liability [Roll Forward] Tax Receivable Agreement, Liability [Roll Forward] Tax Receivable Agreement, Liability Unamortized discounts and debt issuance costs, including discount Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Change in EMI Other Comprehensive Income (Loss) AOCI, Equity Method Investment, Including Noncontrolling Interest [Member] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Equity method investments Total invested capital Equity Method Investments Restructuring liability Balance at January 1, 2026 Balance at September 30, 2026 Restructuring Reserve Equity Component [Domain] Equity Component [Domain] Total gains (losses) included in earnings Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings Measurement Input Type [Domain] Measurement Input Type [Domain] 8-year senior secured notes, semi-annual interest payments, 5.88%, mature August 1, 2032 Senior Secured Notes Due August 2032 [Member] Senior Secured Notes Due August 2032 Adoption Date Trading Arrangement Adoption Date Non-controlling interest holders’ tax distributions declared but unpaid Unpaid Non-Controlling Interest Holders' Tax Distributions Unpaid non-controlling interest holders' tax distributions. Total assets and liabilities measured at fair value Fair Value, Total Assets And Liabilities Fair Value, Total Assets And Liabilities Restructuring Type [Axis] Restructuring Type [Axis] Title Trading Arrangement, Individual Title Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Number of segregated accounts Number Of Segregated Accounts Number Of Segregated Accounts Accounting Policies [Abstract] Accounting Policies [Abstract] Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Outstanding at beginning of period (in shares) Outstanding at end of period (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Number Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Common stock voting rights (in votes) Common Stock, Voting Rights, Number Of Votes Per Share Common Stock, Voting Rights, Number Of Votes Per Share Short-term lease costs Short Term Lease Costs [Abstract] Short term lease costs. Measurement period adjustment related to commissions and fees receivable – net Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Assets Type of Restructuring [Domain] Type of Restructuring [Domain] Business Combination [Domain] Business Combination [Domain] Forfeited or expired (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Restricted Stock Unit Restricted Stock Units (RSUs) [Member] Summary of Number of Shares Excluded from Calculation of Diluted Earnings Per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Service Agreement Service Agreement [Member] Service Agreement All Adjustments to Compensation All Adjustments to Compensation [Member] Business Combination [Axis] Business Combination [Axis] Total cash flows provided by operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Commercial notes, periodic interest and principal payments, 5.25%, expired May 1, 2026 Commercial Notes Due May 1st 2026 [Member] Commercial Notes Due May 1st 2026 STOCKHOLDERS’ EQUITY Equity, Attributable to Parent [Abstract] Income Statement [Abstract] Income Statement [Abstract] Document Transition Report Document Transition Report Deferred tax assets Deferred Income Tax Assets, Net EXPENSES Operating Expenses [Abstract] Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] City Area Code City Area Code Document Information [Table] Document Information [Table] Amortization of right-of-use assets for operating leases Operating Lease, Right-of-Use Asset, Periodic Reduction Subsequent Events Subsequent Events [Text Block] Measurement Input, Price Volatility Measurement Input, Price Volatility [Member] Current portion of debt Debt Instrument, Fair Value Disclosure Name Forgone Recovery, Individual Name Incentive RLUs Incentive RLUs [Member] Incentive RLUs [Member] Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] 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] Tax distributions to non-controlling LLC Unitholders Tax Distributions to Non-controlling LLC Unitholders Tax distributions to non-controlling LLC unitholders. Entity [Domain] Entity [Domain] Preferred stock, issued (in dollars per share) Preferred Stock, Shares Issued Other current and non-current assets Increase (Decrease) in Other Operating Assets Issuance of common stock (shares) Stock Issued During Period, Shares, New Issues Recognized, equity-based compensation expense Share-Based Payment Arrangement, Expense Repurchase and retirement of common stock (in shares) Repurchase and retirement of common stock (in shares) Stock Repurchased and Retired During Period, Shares Share of equity method investments’ other comprehensive loss reclassified to earnings OCI, Equity Method Investment, Reclassification Adjustment From AOCI, Net Of Tax OCI, Equity Method Investment, Reclassification Adjustment From AOCI, Net Of Tax Exercised (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercises in Period Tax Receivable Agreement liabilities Tax receivable agreement liabilities current Tax receivable agreement liabilities current 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 Compensation-related expense Compensation Expense, Excluding Cost of Good and Service Sold and Other Compensation Expense, Excluding Cost of Good and Service Sold and Other Revenue recognized which was previously a contract liability Contract with Customer, Liability, Revenue Recognized Subsequent Event Type [Domain] Subsequent Event Type [Domain] 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 Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Debt issuance costs paid Payments of Debt Issuance Costs Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Entity Current Reporting Status Entity Current Reporting Status Total cash flows provided by (used in) financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Total Shareholder Return Amount Total Shareholder Return Amount Equity awards withheld for settlement of employee tax obligations Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Liabilities Liabilities, Fair Value Disclosure [Abstract] Summary of Pro Forma Financial Information Business Combination, Pro Forma Information [Table Text Block] Adjustments to reconcile net income to cash flows provided by operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Write-offs Accounts Receivable, Allowance for Credit Loss, Writeoff Tax Receivable Agreement liabilities Tax receivable agreement liabilities Noncurrent Tax receivable agreement liabilities Noncurrent CASH FLOWS FROM FINANCING ACTIVITIES Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Property and equipment – net Property, Plant, and Equipment, after Accumulated Depreciation, Depletion, and Amortization Commitment fee percentage Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Numerator: Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Underlying Securities Award Underlying Securities Amount Revenue from Contracts with Customers Revenue from Contract with Customer [Text Block] Issuance of common stock Stock Issued During Period, Value, New Issues Measurement period adjustment, other current assets Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Current Assets Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Current Assets Operating leases Operating Lease, Weighted Average Discount Rate, Percent Segment Reporting [Table] Segment Reporting [Table] Cash and cash equivalents held in a fiduciary capacity Funds Held for Clients Receipt of taxes related to net share settlement of equity awards Receipt of taxes related to net share settlement of equity awards Receipt of taxes related to net share settlement of equity awards Reduction of deferred tax assets Deferred Tax Asset, Increase (Decrease), Amount Deferred Tax Asset, Increase (Decrease), Amount Related Party Transaction [Table] Related Party Transaction [Table] Acquiree's revenue since acquisition date Business Combination, Acquiree's Revenue since Acquisition Date, Actual Summary of Additional Information on Leases Lease, Cost [Table Text Block] Change in share of equity method investments’ other comprehensive income (loss) OCI, Equity Method Investment, after Tax Other current assets Total Other current assets Other Assets, Current Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] All Trading Arrangements All Trading Arrangements [Member] Balance at beginning of period Balance at end of period Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Other Performance Measure, Amount Other Performance Measure, Amount Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Gain on interest rate cap reclassified to earnings Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax Current Fiscal Year End Date Current Fiscal Year End Date Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Expected restructuring costs Restructuring and Related Cost, Expected Cost Weighted average participation threshold (in dollars per share) Share Based Compensation Arrangements By Share Based Payment Award Equity Instrument Other Than Options Outstanding Weighted Average Exercise Price Share based compensation arrangements by share based payment award equity instrument other than options outstanding weighted average exercise price Common stock repurchased (in shares) Stock Repurchased During Period, Shares Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] 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] Dividends declared (in dollars per share) Common Stock, Dividends, Per Share, Declared Entity File Number Entity File Number Non-linear transfer restrictions, period following initial public offering (at least) Share-Based Compensation Arrangement By Share-Based Payment Award, Agreement Period Share-Based Compensation Arrangement By Share-Based Payment Award, Agreement Period Distributions paid to the non-controlling interest holders of the LLC common units Payments To Noncontrolling Interests Of Limited Liability Company (LLC) Common Units Payments To Noncontrolling Interests Of Limited Liability Company (LLC) Common Units Distributions declared for non-controlling interest holders’ tax Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Summary of Aggregate Intrinsic Values and Weighted Average Remaining Contractual Terms of Stock Options Outstanding and Exercisable Share-Based Payment Arrangement, Option, Activity [Table Text Block] Incentive Options Weighted Average Exercise Price Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Restructuring expenses Restructuring Costs Measure: Measure [Axis] Equity Components [Axis] Equity Components [Axis] Related Party Related Party [Member] Income taxes, net of refunds Income Tax Paid, after Refund Received Valuation allowance recognized against basis difference Deferred Tax Assets, Valuation Allowance Class A Common Stock Class A Common Stock Common Class A [Member] Entity Interactive Data Current Entity Interactive Data Current Net income attributable to non-controlling interests, net of tax Net income attributable to non-controlling interests, net of tax Less: Net income attributable to non-controlling interests Net Income (Loss) Attributable to Noncontrolling Interest Accounts payable and accrued liabilities Accounts Payable and Accrued Liabilities, Current Entity Small Business Entity Small Business COMPREHENSIVE INCOME ATTRIBUTABLE TO RYAN SPECIALTY HOLDINGS, INC. Comprehensive Income (Loss), Net of Tax, Attributable to Parent Settlements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements Declared distributions Distribution Payable MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Other non-current assets Other Assets, Noncurrent Document Type Document Type Business combinations – net of cash acquired and cash held in a fiduciary capacity Payments to Acquire Businesses, Net of Cash Acquired 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] Aggregate intrinsic value, options exercisable Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Intrinsic Value Subsequent Event [Line Items] Subsequent Event [Line Items] Incentive Options Incentive Options [Member] Incentive Options Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Local Phone Number Local Phone Number Settlements on contingent consideration, operating activities Payment for Contingent Consideration Liability, Operating Activities Amortization Amortization of Other Deferred Charges INCOME BEFORE INCOME TAXES Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Reclassification out of Accumulated Other Comprehensive Income [Axis] Reclassification out of Accumulated Other Comprehensive Income [Axis] Forfeiture and retirement of common stock Stock Forfeited And Retired During Period, Value Stock Forfeited And Retired During Period, Value Velocity Specialty Insurance Company Velocity Specialty Insurance Company [Member] Velocity Specialty Insurance Company Executive Category: Executive Category [Axis] Summary of Nonvested Stock Units Activity Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] LIABILITIES AND STOCKHOLDERS’ EQUITY Liabilities and Equity [Abstract] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Variable Interest Entity [Table] Variable Interest Entity [Table] Reconciliation of cash, cash equivalents, and cash and cash equivalents held in a fiduciary capacity Supplemental Cash Flow Information [Abstract] Gain on interest rate cap reclassified to earnings Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax IPO RSUs IPO RSU [Member] IPO RSU [Member] Accounts payable and accrued liabilities Accounts Payable and Accrued Liabilities PEO Name PEO Name Gain on Interest Rate Cap Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Other segment items Segment Reporting, Other Segment Item, Amount Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Entity Tax Identification Number Entity Tax Identification Number Contingent consideration, liability, measurement input Business Combination, Contingent Consideration, Liability, Measurement Input Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Accounts Receivable, Allowance for Credit Loss [Roll Forward] Accounts Receivable, Allowance for Credit Loss [Roll Forward] Gain on interest rate cap Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax Exercised (in dollars per share) Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Gain on Interest Rate Cap Accumulated Gain (Loss), Net, Cash Flow Hedge, Noncontrolling Interest [Member] Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Newly established liabilities due to acquisitions Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases Material Terms of Trading Arrangement Material Terms of Trading Arrangement [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] Debt Instrument [Axis] Debt Instrument [Axis] Subsequent Event [Table] Subsequent Event [Table] Non-cash equity-based compensation Share-Based Payment Arrangement, Noncash Expense Lease costs – net Lease, Cost Related party transaction amounts Related Party Transaction, Amounts of Transaction Basic (in dollars per share) Earnings per share of Class A common stock – basic (in dollars per share) Earnings Per Share, Basic Measurement Input Type [Axis] Measurement Input Type [Axis] Increase in tax receivable liabilities recognized in other non-operating loss (income) Increase In Tax Receivable Agreement Liabilities Due To Accrued Interest Increase in tax receivable agreement liabilities due to accrued interest. Total current assets Assets, Current Insider Trading Arrangements [Line Items] Long-term debt Long-term debt Long-Term Debt, Excluding Current Maturities Summary of Tax Effects on the Components of Other Comprehensive Income Schedule of Tax Effects on the Components of Other Comprehensive Income Loss [Table Text Block] Tabular disclosure of tax effects on the components of other comprehensive income loss. Operating lease costs Short-Term Lease, Cost Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] PSUs PSUs [Member] PSUs. Contingent consideration liabilities Contingent consideration Business Combination, Contingent Consideration, Liability Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Cover [Abstract] Cover [Abstract] Fiduciary liabilities Fiduciary Liabilities Fiduciary liabilities. Loss contingencies, net of loss recoveries Malpractice Loss Contingency, Period Cost Equity Awards Adjustments Equity Awards Adjustments [Member] Net change in fiduciary liabilities Net Change in Fiduciary Liabilities Net change in fiduciary liabilities Short-term debt and current portion of long-term debt Less: Short-term debt and current portion of long-term debt Debt, Current Measurement period adjustments, intangibles Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Intangibles Other current and non-current liabilities Increase (Decrease) in Other Operating Liabilities Income Tax Jurisdiction [Domain] Income Tax Jurisdiction [Domain] Other non-operating income Other Nonoperating Income (Expense) Deferred income tax expense from common control reorganization Non-cash deferred income tax expense Other Noncash Income Tax Expense Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period General and administrative General and administrative expense General and Administrative Expense Contingently returnable consideration Business Combination, Contingent Consideration, Asset Quarterly cash distribution (in dollars per share) Distribution Made to Limited Liability Company (LLC) Member, Distributions Declared, Per Unit Derivatives Derivatives and Fair Value [Text Block] Preferred stock, authorized (in shares) Preferred Stock, Shares Authorized Commissions and fees receivable – net Receivables outstanding Receivables, Net, Current Hedging Designation [Domain] Hedging Designation [Domain] Class of Stock [Domain] Class of Stock [Domain] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] IPO RSUs and Staking Options IPO RSUs And Staking Options Member IPO RSUs And Staking Options Member Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Derivative, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Tax receivable agreement liabilities Balance at December 31, 2025 Balance at September 30, 2026 Tax Receivable Agreement Liabilities Tax receivable agreement liabilities. Income Tax Jurisdiction [Axis] Income Tax Jurisdiction [Axis] Commercial notes, periodic interest and principal payments, 4.75%, expire June 15, 2027 Commercial Notes Due June 15, 2027 [Member] Commercial Notes Due June 15, 2027 Stewart Specialty Risk Underwriting Ltd. Stewart Specialty Risk Underwriting Ltd. [Member] Stewart Specialty Risk Underwriting Ltd. Income Taxes Income Tax Disclosure [Text Block] Summary of Activity Related to the Tax Receivable Agreement Liabilities Summary of Activity Related to Tax Receivable Agreement Liabilities [Table Text Block] Summary of Activity Related to Tax Receivable Agreement Liabilities [Table Text Block] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Entity Filer Category Entity Filer Category Director Director [Member] Non Controlling Interest In Ryan Specialty, LLC Non Controlling Interest In Ryan Specialty, LLC [Member] Non Controlling Interest In Ryan Specialty, LLC Compensation and benefits Compensation And Benefits [Member] Compensation and benefits. Summary of Stock Options Outstanding Schedule of Stock Options Roll Forward [Table Text Block] IPO RLUs and Staking Class C Incentive Units IPO RLUs And Staking Class C Incentive Units [Member] IPO RLUs And Staking Class C Incentive Units [Member] Contingent consideration liabilities Noncash or Part Noncash Acquisition, Other Liabilities Assumed Entity Address, Address Line Two Entity Address, Address Line Two Stock, Class of Stock [Table] Stock, Class of Stock [Table] NET INCOME NET INCOME Net income Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest CURRENT ASSETS Assets, Current [Abstract] Interest Rate Cap Interest Rate Cap [Member] Total revenue Business Combination, Pro Forma Information, Pro Forma Revenue Debt instrument, face amount, percentage Debt Instrument, Face Amount, Percentage Debt Instrument, Face Amount, Percentage Senior Secured Notes Senior Notes [Member] Entity Address, Address Line One Entity Address, Address Line One Right-of-use assets obtained in exchange for new operating lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Impairment of internally-developed software Intangible Asset, Finite-Lived, Impairment Loss Vested (in dollars per share) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Income tax expense (benefit) Income Tax Expense (Benefit) Acquisition measurement period adjustments Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Liability, Acquisition Measurement Period Adjustments Fair Value, Measurement With Unobservable Inputs Reconciliation, Recurring Basis, Liability, Acquisition Measurement Period Adjustments Incentive RSUs Incentive RSUs [Member] Incentive RSUs Principles of Consolidation Consolidation, Policy [Policy Text Block] Contingent consideration obligation, maximum Business Combination, Contingent Consideration, Range of Outcomes, Maximum, Amount Reload Class C Incentive Units Class C Incentive Unit Reload Class [Member] Class C Incentive Unit Reload Class [Member] Unamortized deferred issuance costs Unamortized Debt Issuance Expense Statement [Table] Statement [Table] Tranche 2 Share-Based Payment Arrangement, Tranche Two [Member] IPO RLUs IPO RLUs [Member] IPO RLUs [Member] Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract]