Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Award Timing Predetermined Award Timing Predetermined [Flag] Entity File Number Entity File Number Additional Paid-In Capital Additional Paid-in Capital [Member] Tabular List, Table Tabular List [Table Text Block] Recently Adopted and Future Adoption of Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Prepaid Expenses and Other Assets Prepaid Expenses And Other Assets, Policy [Policy Text Block] Disclosure of accounting policy for prepaid expenses and other assets. Information includes, but is not limited to, the composition of prepaid expenses, deferred offering costs and its corresponding accounting treatment. Goodwill [Line Items] Goodwill [Line Items] Allowance For Credit Losses Allowance For Credit Losses [Policy Text Block] Allowance For Credit Losses Adjustment to Compensation: Adjustment to Compensation [Axis] Related Party Transactions Related Party Transactions Disclosure [Text Block] Noncontrolling interest, units owned (in shares) Units of Minority Interest Amount The amount of PWP OpCO units held by noncontrolling shareholders, partners or other equity holders in consolidated entity. Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Reclassification of liability-classified equity-based awards Temporary Equity, Reclassification of Liability-Classified Equity-Based Awards Temporary Equity, Reclassification of Liability-Classified Equity-Based Awards Revenue and Receivables from Contracts with Customers Revenue from Contract with Customer [Text Block] RSU amortization Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-Based Compensation Cost Foreign currency translation gain (loss) Temporary Equity, Foreign Currency Translation Adjustments Stock, Class of Stock [Table] Stock, Class of Stock [Table] Total current income tax expense (benefit) Current Income Tax Expense (Benefit) Adjustment to Compensation, Amount Adjustment to Compensation Amount Concentration risk, percentage Concentration Risk, Percentage Consolidation Consolidation, Policy [Policy Text Block] Equity-based awards vesting expense Share-Based Payment Arrangement, Noncash Expense Employee Stock Option Share-Based Payment Arrangement, Option [Member] Schedule Of Property Plant And Equipment [Table] Property, Plant and Equipment [Table] Cash paid for income taxes Income Taxes Paid % Effective Income Tax Rate Reconciliation, Percent [Abstract] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Insider Trading Policies and Procedures [Line Items] New York State NEW YORK Summary Of Property, Plant and Equipment Property, Plant and Equipment [Table Text Block] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Issuance of Class A common stock in public offering (in shares) Stock Issued During Period, Shares, New Issues Liabilities, Redeemable Non-Controlling Interests, and Equity Liabilities and Equity [Abstract] State and Local Jurisdiction State and Local Jurisdiction [Member] Cover [Abstract] Investments in U.S. treasury securities included in cash and cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Expenses incurred Restructuring and Related Cost, Incurred Cost Professional Partners Awards (equity-classified) Professional Partners Award, Equity Classified [Member] Professional Partners Award, Equity Classified Maximum Maximum [Member] Finite-lived intangible asset, useful life Finite-Lived Intangible Asset, Useful Life Less: Net income (loss) attributable to non-controlling interests Net Income (Loss) Attributable to Noncontrolling Interest Intangible assets, net of accumulated amortization Net Carrying Amount Finite-Lived Intangible Assets, Net Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Debt Instrument [Line Items] Debt Instrument [Line Items] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Income (loss) before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Schedule of Geographical Distribution of Revenues and Assets based on the Location of the Office Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] Debt Instrument [Table] Schedule of Long-Term Debt Instruments [Table] Loss Contingency Nature [Axis] Loss Contingency Nature [Axis] Summary of Performance Based Restricted Stock Units Share-Based Payment Arrangement, Performance Shares, Activity [Table Text Block] Schedule of Reconciliation of the Total Income Taxes Paid Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Less: Comprehensive income (loss) attributable to non-controlling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Award Timing MNPI Considered Award Timing MNPI Considered [Flag] 2026 Estimated Payments Under Tax Receivable Agreement Year One Amount of estimated payments pursuant to the tax receivable agreement to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Texas TEXAS Domestic Income (Loss) from Continuing Operations before Income Taxes, Domestic Document Fiscal Period Focus Document Fiscal Period Focus Travel and related expenses Travel and Entertainment Expense Award Timing Method Award Timing Method [Text Block] Furniture and fixtures Furniture and Fixtures [Member] Award Type Award Type [Axis] Equity-Based Compensation Share-Based Payment Arrangement [Policy Text Block] Trading Symbol Trading Symbol 2029 Lessee, Operating Lease, Liability, to be Paid, Year Four Business Combination Business Combination [Policy Text Block] Changes in valuation allowances Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Entity Address, City or Town Entity Address, City or Town Professional Partners Awards Professional Partners Award [Member] Professional Partners Award [Member] Effect of exchange rate changes on cash, cash equivalents and restricted cash Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Total deferred tax assets Deferred Tax Assets, Net of Valuation Allowance Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Total consideration Business Combination, Consideration Transferred Entity Emerging Growth Company Entity Emerging Growth Company Decrease (increase) in operating assets: Increase (Decrease) in Operating Assets [Abstract] 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] Common stock shares outstanding (in shares) Common stock, beginning balance (in shares) Common stock, ending balance (in shares) Common Stock, Shares, Outstanding Bad debt expense Accounts Receivable, Credit Loss Expense (Reversal) Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Proceeds from related party debt Proceeds from Related Party Debt Accumulated deficit Accumulated Deficit Accumulated Deficit Foreign currency revaluation Unrealized Gain (Loss), Foreign Currency Transaction, before Tax Current Current Income Tax Expense (Benefit), Continuing Operations [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] Schedule of Finite-Lived Intangible Assets, Future Amortization Expense Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Accounts payable, accrued expenses and other liabilities Withholding taxes payable Accounts Payable and Accrued Liabilities Number of Shares Number of Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Income tax expense (benefit) Income tax expense (benefit) Income Tax Expense (Benefit) Class B Common Stock, par value $0.0001 per share Class B Common Stock Common Class B [Member] Document Information [Line Items] Document Information [Line Items] Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Fair Value Hierarchy and NAV Fair Value Hierarchy and NAV [Axis] Germany - Trade Tax Germany - Trade Tax [Member] Germany - Trade Tax Property, plant and equipment, gross Property, Plant and Equipment, Gross Indemnification Guarantee Indemnification Agreement [Member] Repurchases of Common Stock Stockholders' Equity, Policy [Policy Text Block] Anti-hybrid mismatch rules Effective Income Tax Rate Reconciliation, Anti-Hybrid Mismatch Rules, Amount Effective Income Tax Rate Reconciliation, Anti-Hybrid Mismatch Rules, Amount Non-cash operating lease expense Operating Lease, Right-of-Use Asset, Periodic Reduction Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Payment for Devon Park Acquisition, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired U.S. federal Income Tax Paid, Federal, after Refund Received All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] (Income) loss allocated to non-controlling interests Effective Income Tax Rate Reconciliation, Tax Exempt Income, Percent Contingencies and Litigation Commitments and Contingencies, Policy [Policy Text Block] Other Effective Income Tax Rate Reconciliation, Other Adjustments, Amount Beginning Balance (in shares) Ending Balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Commitments and Contingencies Disclosure [Abstract] Number of partnerships Number Of Partnerships Number Of Partnerships Foreign currency translation Unrecognized Tax Benefits, Decrease Resulting from Foreign Currency Translation Net cash provided by (used in) operating activities: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Effective Income Tax Rate Reconciliation [Table] Effective Income Tax Rate Reconciliation [Table] Property, plant and equipment, useful life Property, Plant and Equipment, Useful Life Preferred stock par or stated value per share (in dollars per share) Preferred Stock, Par or Stated Value Per Share Subsequent Event Subsequent Event [Member] Revenues from External Customers and Long-Lived Assets [Line Items] Revenues from External Customers and Long-Lived Assets [Line Items] Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] $20 Price Tranche Two Zero Price Tranche [Member] Two Zero Price Tranche PEO Total Compensation Amount PEO Total Compensation Amount Long-term Debt, Type Long-Term Debt, Type [Axis] Depreciation expense Depreciation Market condition share price achieved (in Dollars per Share) Market Condition Share Price Achieved Market condition share price achieved. Assets Business Combination, Recognized Asset Acquired, Asset [Abstract] Numerator: Net Income (Loss) Available to Common Stockholders, Diluted [Abstract] Transaction Pool RSUs Transaction Pool RSUs [Member] Transaction pool RSUs. Equity Components Equity Components [Axis] Property Plant And Equipment [Line Items] Property, Plant and Equipment [Line Items] Sublease income – operating leases Sublease Income Changes in redemption value of redeemable non-controlling interests Noncontrolling Interest, Change in Redemption Value Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Number of reportable segments Number of Reportable Segments Measurement input of earn-out Business Combination, Contingent Consideration, Liability, Measurement Input Other Compensation and Benefits Compensation and Employee Benefit Plans [Text Block] Thereafter Lessee, Operating Lease, Liability, Payments, Net Of Sublease Income, Due After Year Five Lessee, Operating Lease, Liability, Payments, Net Of Sublease Income, Due After Year Five Interest income Interest and Other Income Audit Information [Abstract] Audit Information [Abstract] Conversion rate Distribution Rate Distribution Rate Entity Address, State or Province Entity Address, State or Province Antidilutive Security, Excluded EPS Calculation [Table] Antidilutive Security, Excluded EPS Calculation [Table] Number of installments Business Combination, Consideration Transferred, Number of Installments Business Combination, Consideration Transferred, Number of Installments Number of former partners Number Of Former Partners Number Of Former Partners Individual: Individual [Axis] Defined contribution plan, cost Defined Contribution Plan, Cost Sublease Receipts Lessor, Operating Lease, Payment to be Received, Fiscal Year Maturity [Abstract] Income Tax Jurisdiction [Domain] Income Tax Jurisdiction [Domain] Dividends paid on Class A and Class B common stock Payments of Ordinary Dividends, Common Stock Document Annual Report Document Annual Report Amortization expense Amortization Class B2 Common Stock Member Class B2 Common Stock Member Class B2 common stock. Loss contingency, pending plaintiffs claims, number Loss Contingency, Pending Plaintiffs Claims, Number Loss Contingency, Pending Plaintiffs Claims, Number Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Noncontrolling interest, ownership percentage by noncontrolling owners Subsidiary, Ownership Percentage, Noncontrolling Owner Entity Interactive Data Current Entity Interactive Data Current Deferred compensation liability, settled Deferred Compensation Liability, Settled Deferred Compensation Liability, Settled Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Share-based payment awards Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-Based Payment Arrangement, Amount Investment owned, at cost Investment Owned, Cost Disaggregation Of Revenue [Table] Disaggregation of Revenue [Table] Long-Lived Tangible Asset Long-Lived Tangible Asset [Axis] Other Temporary Equity, Other Changes Ownership [Domain] Ownership [Domain] Customer [Domain] Customer [Domain] Entity​ Central ​Index​ Key Entity Central Index Key PEO Name PEO Name Treasury stock purchases Treasury stock purchases Payments for Repurchase of Equity 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] Schedule of Estimated Payments Under Tax Receivable Agreement Schedule of Estimated Payments Under Tax Receivable Agreement [Table Text Block] Schedule of Estimated Payments Under Tax Receivable Agreement Due from related parties Increase (Decrease) in Due from Related Parties, Current Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Balance at Acquisition Closing Balance at end of period Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Schedule Of Segment Reporting Information By Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Nontaxable or nondeductible items Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount [Abstract] Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Class of Stock Class of Stock [Domain] U.S. federal statutory tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Subsequent Event Type Subsequent Event Type [Axis] Nonrelated Party Nonrelated Party [Member] Statement of Financial Position Location, Balance [Axis] Statement of Financial Position Location, Balance [Axis] 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Three Vesting [Domain] Vesting [Domain] Vesting acceleration, amount paid or accrued in settlement Share-Based Compensation Arrangement by Share-Based Payment Award, Accelerated Vesting, Settlement Share-Based Compensation Arrangement by Share-Based Payment Award, Accelerated Vesting, Settlement Paid Or Accrued Deferred tax asset Deferred Tax Assets, Net [Abstract] Gross Amount Finite-Lived Intangible Assets, Gross 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] Entity Address, Address Line One Entity Address, Address Line One Beginning Balance Ending Balance Temporary Equity, Including Noncontrolling Interest Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Meals and entertainment Effective Income Tax Rate Reconciliation, Nondeductible Expense, Meals and Entertainment, Percent Exchange of PWP OpCo units and corresponding class B common stock for class A common stock (in shares) Stock issued during period, shares, conversion of convertible securities (in shares) Stock Issued During Period, Shares, Conversion of Convertible Securities Redeemable non-controlling interests (22,139,506 units at redemption value of $17.53 per unit as of December 31, 2025; 27,460,600 units at redemption value of $23.71 per unit as of December 31, 2024) Redeemable Noncontrolling Interest, Equity, Carrying Amount Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Ownership [Axis] Ownership [Axis] Fair Value as of Grant Date Award Grant Date Fair Value Deferred compensation outstanding Deferred Compensation Liability, Current and Noncurrent Changes in unrecognized tax benefits Effective Income Tax Rate Reconciliation, Tax Contingency, Amount Total compensation and benefits Labor and Related Expense Weighted average number of incremental shares from assumed vesting of PWP Incentive Plan Awards (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period 2030 Lessee, Operating Lease, Liability, Payments, Net Of Sublease Income, Due Year Five Lessee, Operating Lease, Liability, Payments, Net Of Sublease Income, Due Year Five Forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Unrecognized compensation expense Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Related Party Transaction [Line Items] Related Party Transaction [Line Items] $15 Price Tranche One Five Price Tranche [Member] $15 Price Tranche. Deferred taxes Deferred Income Taxes and Tax Credits Schedule of Additional Inputs into the Valuation Model for the Earn-Out Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] 2027 Lessee, Operating Lease, Liability, to be Paid, Year Two Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] 2029 Estimated Payments Under Tax Receivable Agreement Year Four Amount of estimated payments pursuant to the tax receivable agreement to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Germany GERMANY Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Extension term (in years) Lessor, Operating Lease, Extension Term Lessor, Operating Lease, Extension Term Prepaid expenses and other assets Prepaid Expense and Other Assets Cash paid for business combination Payments to Acquire Businesses, Gross Non-PEO NEO Non-PEO NEO [Member] Operating right-of-use lease assets Deferred Tax Liabilities, Leasing Arrangements Sale of Stock [Axis] Sale of Stock [Axis] Award Type Award Type [Domain] 2026 Lessee, Operating Lease, Liability, to be Paid, Year One Dilutive effect from assumed vesting of PWP Incentive Plan Awards, net of tax Dilutive Securities, Effect on Basic Earnings Per Share, Options and Restrictive Stock Units Withholding tax payments on vested PWP Incentive Plan Awards and equity-classified ACUs Temporary Equity, Share-Based Payment Arrangement, Decrease For Tax Withholding Obligation Temporary Equity, Share-Based Payment Arrangement, Decrease For Tax Withholding Obligation $12 Price Tranche One Two Price Tranche [Member] $12 Price Tranche. Equity Awards Adjustments Equity Awards Adjustments [Member] Leasehold improvements Leasehold Improvements [Member] Other Other Noncash Income (Expense) Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Branch income Effective Income Tax Rate Reconciliation, Cross-Border Tax Effect, Percent Lease liability Business Combination, Recognized Liability Assumed, Lease Obligation Disaggregation Of Revenue [Line Items] Disaggregation of Revenue [Line Items] Canada CANADA Compensation Amount Outstanding Recovery Compensation Amount Deferred Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Trade taxes Effective Income Tax Rate Reconciliation, Other Reconciling Items, Percent Litigation costs Litigation Settlement, Fee Expense Dividend yield (in percent) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Dividend Rate Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Deferred revenue recognized Contract with Customer, Liability, Revenue Recognized Accrued compensation and benefits Increase (Decrease) in Employee Related Liabilities PWP Incentive Plan Perella Weinberg Partners 2021 Omnibus Incentive Plan [Member] Perella Weinberg Partners 2021 Omnibus Incentive Plan Redeemable Non-Controlling Interests Non Controlling, Interest [Policy Text Block] Disclosure of accounting policy for non-controlling interests Schedule of Allowance for Credit Losses Accounts Receivable, Allowance for Credit Loss [Table Text Block] MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Other foreign jurisdictions Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent Denominator: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Step-up in tax basis in PWP OpCo assets Deferred Tax Assets, Due To Step Up and Difference in Basis Amount before allocation of valuation allowances of deferred tax asset attributable to a step up in the tax basis and the basis difference in an investment Documents Incorporated by Reference Documents Incorporated by Reference [Text Block] Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax Foreign currency translation Unrecognized Tax Benefits, Increase Resulting from Foreign Currency Translation Effect of the Merger and related transactions (in shares) Effect Of Merger And Related Transactions, Shares Effect Of Merger And Related Transactions, Shares Total deferred tax liabilities Deferred Tax Liabilities, Gross Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Weighted-average shares of Class A common stock outstanding Earnings Per Share, Other Disclosure [Abstract] Earnings Per Share, Other Disclosure Non-deductible compensation expense Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Amount Class B dividends rate compared to Class A Dividends Rate Dividends Rate Total lease payments Lessee, Operating Lease, Liability, Payments, Net Of Sublease Income, Due Lessee, Operating Lease, Liability, Payments, Net Of Sublease Income, Due Finite-Lived Intangible Assets by Major Class Finite-Lived Intangible Assets by Major Class [Axis] Minimum Minimum [Member] Working Partners Working Partners [Member] Working partners member. Founder Share Purchase Option Founder Share Purchase Option [Member] Founder share purchase option. Company Selected Measure Name Company Selected Measure Name Debt Debt Disclosure [Text Block] Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Net income (loss) attributable to Perella Weinberg Partners – diluted Net Income (Loss) Available to Common Stockholders, Diluted Foreign income tax Current Foreign Tax Expense (Benefit) Restructuring Plan [Domain] Restructuring Plan [Domain] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Diluted (in shares) Weighted average shares of Class A common stock outstanding – diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Tax Receivable Agreement Tax Receivable Agreement [Policy Text Block] Disclosure of accounting policy for amount due pursuant to tax receivable agreement Entity Small Business Entity Small Business Income Tax Disclosure [Abstract] Deferred compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Other Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding State and local income tax Current State and Local Tax Expense (Benefit) Document Transition Report Document Transition Report $25 Price Tranche Two Five Price Tranche [Member] Two Five Price Tranche Underlying Securities Award Underlying Securities Amount Equity Component Equity Component [Domain] Statement of Partners' Capital [Abstract] Document Period End Date Document Period End Date Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Income Taxes Income Tax Disclosure [Text Block] Beginning balance Ending balance Accounts Receivable, Allowance for Credit Loss Class A common stock, par value $0.0001 per share Class A Common Stock Common Class A [Member] United Kingdom UNITED KINGDOM Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Exchange of PWP OpCo Units and corresponding Class B common stock for cash (Note 11—Stockholders’ Equity and Redeemable Non-Controlling Interests) Temporary Equity, Conversion of Convertible Securities Temporary Equity, Conversion of Convertible Securities Lease liabilities Increase in operating lease liabilities Increase (Decrease) in Operating Lease Liability Total equity Beginning balance Ending balance Equity, Including Portion Attributable to Noncontrolling Interest Share price (in dollars per share) Shares Acquired, Average Cost Per Share Document Type Document Type Level 3 Fair Value, Inputs, Level 3 Fair Value, Inputs, Level 3 [Member] Net Income (Loss) Per Share Attributable to Class A Common Shareholders Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Loss Contingencies [Table] Loss Contingencies [Table] Variable lease cost Variable Lease, Cost Revenues Total revenues Revenue from Contract with Customer, Excluding Assessed Tax Litigation Status [Domain] Litigation Status [Domain] Broker-Dealer [Abstract] PWP Incentive Plan Awards Incentive Plan Awards [Member] Incentive Plan Awards [Member] Statistical Measurement Statistical Measurement [Axis] Stock repurchase program, authorized amount Share Repurchase Program, Authorized, Amount Due from related parties Other Receivables, Net, Current Net Payments Lessee, Operating Lease, Liability, Payments, Net Sublease Income, Fiscal Year Maturity [Abstract] Lessee, Operating Lease, Liability, Payments, Net Sublease Income, Fiscal Year Maturity Fair Value Measurement Inputs and Valuation Techniques [Line Items] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Withholding tax payments for vested PWP Incentive Plan Awards and equity-classified ACUs Withholding tax payments on ACUs and settlement of other liabilities Payment, Tax Withholding, Share-Based Payment Arrangement France FRANCE PWP OpCo PWP OpCo [Member] P W P OP CO [Member] Regulatory Requirements Broker-Dealer Disclosure [Text Block] Equity-based compensation expense Share-Based Payment Arrangement, Accelerated Cost Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Dilutive effect from assumed exchange of PWP OpCo Units, net of tax Dilutive Securities, Effect on Basic Earnings Per Common Share, Other Units Amount of increase (decrease) to net income used for calculating diluted earnings per share (EPS), resulting from the assumed exchange of PWP OpCo Units. Furniture, Fixtures and Equipment Furniture, Fixtures and Equipment [Member] Furniture, Fixtures and Equipment Changes in ownership interests Adjustments to Additional Paid in Capital Change in Ownership Interest Value Adjustments to additional paid in capital and noncontrolling interests due to changes in ownership interests of consolidated subsidiary. Total expenses Operating Expenses Level 1 Fair Value, Inputs, Level 1 [Member] Borrowings outstanding under revolving line of credit facility Long-Term Line of Credit Accounts payable, accrued expenses and other liabilities Business Combination, Recognized Liability Assumed, Accounts Payable, Current Schedule Of Related Party Transactions By Related Party [Table] Related Party Transaction [Table] Diluted (in dollars per share) Earnings Per Share, Diluted Amount due pursuant to tax receivable agreement Total payments Amount Due Pursuant To Tax Receivable Agreement Amount due pursuant to tax receivable agreement. 2030 Lessor, Operating Lease, Payment to be Received, Year Five Accrued dividend equivalents and dividend equivalent units on unvested PWP Incentive Plan Awards Accrued Dividends on Unvested Restricted Stock Unit Accrued Dividends on Unvested Restricted Stock Unit Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Compensation Related Costs [Abstract] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Shares sold in offering (in shares) Sale of Stock, Number of Shares Issued in Transaction Treasury stock, shares (in shares) Treasury stock, beginning balance (in shares) Treasury stock, ending balance (in shares) Treasury Stock, Common, Shares Total state and local Income Tax Paid, State and Local, after Refund Received Auditor Location Auditor Location Comprehensive Income (Loss) Comprehensive Income, Policy [Policy Text Block] Other Stockholders' Equity, Other Less: Imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Total income taxes paid Income Taxes Paid, Net Excess tax benefit on share-based payments Effective Income Tax Rate Reconciliation, Nondeductible Expense, Other, Percent 2027 Finite-Lived Intangible Asset, Expected Amortization, Year Two Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Fixed Assets Property, Plant and Equipment Disclosure [Text Block] Total lease payments Lessee, Operating Lease, Liability, to be Paid Common Stock B-1 Class B1 Common Stock Member Class B1 common stock. Lock-up period (in years) Lock-up Period Lock-up period in which there are restrictions for certain persons on the ability to exchange units for shares of common stock. Expiration Date Trading Arrangement Expiration Date Vesting acceleration, number of ACUs and shares (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Accelerated Vesting, Number Fixed assets, net of accumulated depreciation and amortization Fixed assets, net Property, Plant and Equipment, Net Voting rights Common Stock, Number of Voting Rights Common Stock, Number of Voting Rights Distributions to partners Payments of Capital Distribution Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Accounts receivable, net of allowance Increase (Decrease) in Accounts Receivable Entity Current Reporting Status Entity Current Reporting Status Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] 2027 Lessee, Operating Lease, Liability, Payments, Net Of Sublease Income, Due Year Two Lessee, Operating Lease, Liability, Payments, Net Of Sublease Income, Due Year Two Consolidated Entities [Domain] Consolidated Entities [Domain] U.S. federal statutory tax rate Effective Income Tax Rate Reconciliation at Federal Statutory Income Tax Rate, Amount Issuance of Class A common stock for vested PWP Incentive Plan Awards (in shares) Restricted Stock, Shares Issued Net of Shares for Tax Withholdings Statement of Financial Position [Abstract] Executive Category: Executive Category [Axis] Share-based payment awards Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-Based Payment Arrangement, Percent State and local income taxes, net of federal income tax effect Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Current Fiscal Year End Date Current Fiscal Year End Date Finite-Lived Intangible Assets, Major Class Name Finite-Lived Intangible Assets, Major Class Name [Domain] Weighted Average Grant Date Fair Value Per Share Weighted Average Grant Date Fair Value Per Share Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Total shares remained reserved for issuance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Professional fees Professional fees Professional Fees Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Deferred tax effect resulting from changes in ownership and exchanges of PWP OpCo Units, net of amounts payable under tax receivable agreement Deferred Tax Effect from Exchange of Partnership Units, Net of Amount Payable Under Tax Receivable Agreement Deferred Tax Effect from Exchange of Partnership Units, Net of Amount Payable Under Tax Receivable Agreement Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Maturities of investments in short-term marketable debt securities Proceeds from Sale and Maturity of Marketable Securities Timing of Transfer of Good or Service Timing of Transfer of Good or Service [Domain] Issuance of Class A common stock related to Devon Park Acquisition Stock Issued During Period, Value, Acquisitions Beginning unrecognized tax benefit Ending unrecognized tax benefit Unrecognized Tax Benefits Anti-dilutive securities (in Shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 2029 Lessee, Operating Lease, Liability, Payments, Net Of Sublease Income, Due Year Four Lessee, Operating Lease, Liability, Payments, Net Of Sublease Income, Due Year Four Leases Lessee, Operating Leases [Text Block] Net cash provided by (used in) financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Measure: Measure [Axis] Valuation Approach and Technique [Axis] Valuation Approach and Technique [Axis] Long-Lived Tangible Asset Long-Lived Tangible Asset [Domain] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Risk-free interest rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Entity Tax Identification Number Entity Tax Identification Number Valuation Technique, Discounted Cash Flow Valuation Technique, Discounted Cash Flow [Member] Two Clients Two Customers [Member] Two Customers Common stock, shares issued (in shares) Common Stock, Shares, Issued Weighted-average remaining lease term – operating leases Operating Lease, Weighted Average Remaining Lease Term Fair Value Measurements [Abstract] Fair Value Measurements [Abstract] Goodwill and Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Tax savings agreement, percent Tax Receivable Agreement Tax Savings Percentage Percentage of tax savings to be paid to certain partners pursuant to a tax receivable agreement should the company realize any tax savings. Entity Public Float Entity Public Float Trading Arrangement: Trading Arrangement [Axis] Total Shareholder Return Amount Total Shareholder Return Amount Loss Contingencies [Line Items] Loss Contingencies [Line Items] Change in fair value Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Security Exchange Name Security Exchange Name Total foreign Income Tax Paid, Foreign, after Refund Received Effect of cross-border tax laws Effective Income Tax Rate Reconciliation, Cross-Border Tax Effect, Percent [Abstract] 2027 Lessor, Operating Lease, Payment to be Received, Year Two Accrued capital expenditures Capital Expenditures Incurred but Not yet Paid Line of credit facility, maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Expenses Operating Expenses [Abstract] Redeemable Non-Controlling Interests Increase (Decrease) in Temporary Equity [Roll Forward] Statement [Line Items] Statement [Line Items] Principal and interest related to promissory notes Principal and Interest related to Promissory Notes Principal and Interest related to Promissory Notes Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and Cash Equivalent Fair Value Measurement Inputs and Valuation Techniques [Table] Fair Value Measurement Inputs and Valuation Techniques [Table] Issuance of Class A common stock for vested PWP Incentive Plan Awards Restricted Stock, Value, Shares Issued Net of Tax Withholdings Subsequent Event [Line Items] Subsequent Event [Line Items] Common Stock Common Stock [Member] Vested (in shares) Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Accrued compensation and benefits Employee-related Liabilities Net increase (decrease) in cash, cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Debt securities, gain (loss) Debt Securities, Gain (Loss) Vesting Acceleration Vesting Acceleration [Member] Vesting Acceleration Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Transaction RSUs Transaction RSUs [Member] Transaction RSUs Statistical Measurement Statistical Measurement [Domain] Thereafter Lessee, Operating Lease, Liability, to be Paid, after Year Five Related Party Transaction [Axis] Related Party Transaction [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Goodwill, expected tax deductible amount Business Combination, Goodwill, Expected Tax Deductible, Amount Valuation Approach and Technique [Domain] Valuation Approach and Technique [Domain] Leases [Abstract] Additions for tax positions of prior years Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions 2029 Lessor, Operating Lease, Payment to be Received, Year Four Number of shares issued (in shares) Business Combination, Consideration Transferred, Equity Interest, Share Issued, Number of Shares Type of Restructuring [Domain] Type of Restructuring [Domain] Retirement Plan Name [Axis] Retirement Plan Name [Axis] Withholding tax payments on vested PWP Incentive Plan Awards and equity-classified ACUs Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Organization and Nature of Business Abstract Organization and Nature of Business Abstract Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Basic (in dollars per share) Earnings Per Share, Basic Accounts payable, accrued expenses and other liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Changes in unrecognized tax benefits Effective Income Tax Rate Reconciliation, Tax Contingency, Percent Deferred tax assets before valuation allowance Deferred Tax Assets, Gross Discount rate Measurement Input, Discount Rate [Member] Class B dividends rate compared to Class A Dividends and Distributions Rate Dividends and Distributions Rate General PSUs General PSUs [Member] General PSUs Aggregate amount of transaction price allocated to performance obligations yet to be satisfied Revenue, Remaining Performance Obligation, Amount Measurement Input Type [Domain] Measurement Input Type [Domain] Business Realignment Business Realignment [Member] Business Realignment Payment for the exchange of partnership units, price (in dollars per share) Payment For The Exchange Of Partnership Units, Price Per Unit Payment For The Exchange Of Partnership Units, Price Per Unit Technology and infrastructure Communications and Information Technology Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Equity-based compensation Total Equity-based compensation Share-Based Payment Arrangement, Expense Goodwill and Intangible Assets Disclosure [Abstract] Total liabilities, redeemable non-controlling interests, and equity Liabilities and Equity Foreign Currencies Foreign Currency Transactions and Translations Policy [Policy Text Block] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Issuance of Class A common stock related to Devon Park Acquisition (in shares) Stock Issued During Period, Shares, Acquisitions Concentration Risk Benchmark Concentration Risk Benchmark [Axis] Net income (loss) Temporary Equity, Net Income Exchange of PWP OpCo Units and corresponding Class B common stock for cash Exchange of PWP OpCo Units and corresponding Class B common stock for cash Payment For The Exchange Of Partnership Units Payment For The Exchange Of Partnership Units Other Deferred Tax Assets, Other Accounting Policies [Abstract] Schedule of Operating Lease Maturities Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Concentration Risk Type Concentration Risk Type [Domain] Stockholder agreement, common stock outstanding, percentage (at least) Common Stock, Outstanding Percentage, Minimum Common Stock, Outstanding Percentage, Minimum Treasury Stock Treasury Stock, Common [Member] Vested in period, fair value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Meals and entertainment Effective Income Tax Rate Reconciliation, Nondeductible Expense, Meals and Entertainment, Amount Pay vs Performance Disclosure [Line Items] Common stock, ownership percentage threshold Minimum Percentage Condition So long as the Professional Partners directly or indirectly maintain at least 10% of the issued and outstanding stock, the Class B-1 common stock will have 10 votes per share and the Board of Directors may not approve many activities without the consent of the Professional Partners. If the 10% condition is no longer met, the Class B-1 stock will have one vote per share. Lease liabilities Total lease liabilities Operating Lease, Liability Reimbursable expenses recorded as revenue Reimbursable Expenses Recorded As Revenue Certain reimbursed professional fees and other expenses incurred that are necessary to provide services to the client that are recorded as revenue and billed back to the client. Foreign currency translation gain (loss) Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Total lease payments Lessor, Operating Lease, Payment to be Received Business Combination Business Combination [Text Block] Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Goodwill impairment Goodwill, Impairment Loss 2027 Estimated Payments Under Tax Receivable Agreement Year Two Amount of estimated payments pursuant to the tax receivable agreement to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Total assets acquired Business Combination, Recognized Identifiable Assets Acquired, Assets Including Goodwill Business Combination, Recognized Identifiable Assets Acquired, Assets Including Goodwill Variable Interest Entity [Table] Variable Interest Entity [Table] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount 2028 Lessee, Operating Lease, Liability, to be Paid, Year Three Comprehensive income (loss) attributable to Perella Weinberg Partners Comprehensive Income (Loss), Net of Tax, Attributable to Parent Measurement Input Type [Axis] Measurement Input Type [Axis] Name Measure Name Schedule of Income before Income Tax, Domestic and Foreign Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Schedule of Changes in Fair Value of the Level 3 Financial Liabilities Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Class of Stock [Line Items] Class of Stock [Line Items] Nontaxable or nondeductible items Effective Income Tax Rate Reconciliation, Nondeductible Expense, Depreciation and Amortization, Percent [Abstract] Maximum incremental revolving commitments Maximum Incremental Revolving Commitments Maximum amount of incremental revolving commitments that may be incurred. Right-of-use lease asset Business Combination, Recognized Asset Acquired, Right-Of-Use Lease Asset Business Combination, Recognized Asset Acquired, Right-Of-Use Lease Asset Total assets Assets Assets 2026 Finite-Lived Intangible Asset, Expected Amortization, Year One Weighted average grant date fair value, 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 Cash, Cash Equivalents and Restricted Cash Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Geographical [Domain] Geographical [Domain] Income Taxes Income Tax, Policy [Policy Text Block] Cash flows from operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Concentration Risk Type Concentration Risk Type [Axis] Distributions to partners Partners' Capital Account, Distributions Anticipatory foreign tax credit Deferred Tax Liabilities, Anticipatory Foreign Tax Credit Deferred Tax Liabilities, Anticipatory Foreign Tax Credit Acquisition related compensation arrangements Business Combination, Acquisition Related Compensation Business Combination, Acquisition Related Compensation Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] Dividend declared (in dollars per share) Common Stock, Dividends, Per Share, Declared Entity Common Stock, Shares Outstanding (in Shares) Entity Common Stock, Shares Outstanding Lease liabilities arising from obtaining right-of-use lease assets Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Level 2 Fair Value, Inputs, Level 2 [Member] Document Financial Statement Error Correction [Flag] Document Financial Statement Error Correction [Flag] State and local income taxes, net of federal income tax effect Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Amount Income Tax Examination [Line Items] Income Tax Examination [Line Items] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Business Combination [Domain] Business Combination [Domain] Operating Lease Payments Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Related Party Related Party [Member] Schedule of Components of Income Tax Expense (Benefit) Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Plan Name [Axis] Plan Name [Axis] Fixed Assets Property, Plant and Equipment, Policy [Policy Text Block] Document Information [Table] Document Information [Table] PEO PEO [Member] Employee Severance Employee Severance [Member] Supplemental disclosures of non-cash activities Noncash Investing and Financing Items [Abstract] Intangible assets Deferred Tax Liabilities, Intangible Assets United States UNITED STATES Changes in valuation allowances Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Fixed assets Deferred Tax Liabilities, Property, Plant and Equipment Volatility factor (in percent) Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Retained Earnings (Accumulated Deficit) Retained Earnings [Member] Income Tax Jurisdiction [Axis] Income Tax Jurisdiction [Axis] Share-Based Payment Arrangement [Abstract] Cash, cash equivalents and restricted cash, beginning of period Cash, cash equivalents and restricted cash, end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Net income (loss) per share attributable to Class A common shareholders Earnings Per Share, Income (Loss), Common Stock [Abstract] Earnings Per Share, Income (Loss), Common Stock Purchases of investments in short-term marketable debt securities Payments to Acquire Marketable Securities Sale of Stock [Domain] Sale of Stock [Domain] Financial assets Investments, Fair Value Disclosure Intangible assets excluding goodwill Intangible Assets, Net (Excluding Goodwill) Client Accounting for More than 10% of Aggregate Revenue Customer Concentration Risk [Member] Net income (loss) Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest 2028 Lessor, Operating Lease, Payment to be Received, Year Three Exchange of PWP OpCo Units and corresponding Class B common stock for cash (Note 11—Stockholders’ Equity and Redeemable Non-Controlling Interests) Conversion of Stock, Shares Converted, Cash Settled, Value Conversion of Stock, Shares Converted, Cash Settled, Value Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Schedule Of Business Acquisitions By Acquisition [Table] Business Combination [Table] (Income) loss allocated to non-controlling interests Effective Income Tax Rate Reconciliation, Tax Exempt Income, Amount Schedule of Recognized Identified Assets Acquired and Liabilities Assumed Business Combination, Recognized Asset Acquired and Liability Assumed [Table Text Block] City Area Code City Area Code Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Settlements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements Deferred tax liabilities Deferred Tax Liabilities, Net Cash flows from investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] General, administrative and other expenses General and Administrative Expense Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] General RSUs General RSUs [Member] General RSUs. Related Party Transactions [Abstract] Effective Income Tax Rate Reconciliation [Line Items] Effective Income Tax Rate Reconciliation [Line Items] Total net lease cost Lease, Cost Goodwill Goodwill Estimate of possible loss Loss Contingency, Estimate of Possible Loss Summary of Operating Leases Lease, Cost [Table Text Block] Federal income tax Deferred Federal Income Tax Expense (Benefit) Unrecognized Tax Benefits [Roll Forward] Unrecognized Tax Benefits [Roll Forward] Auditor Name Auditor Name Organization and Nature of Business Nature of Operations [Text Block] Equipment Equipment [Member] Supplemental disclosures of cash flow information Supplemental Cash Flow Information [Abstract] Accounts receivable Business Combination, Recognized Asset Acquired, Receivable, Current Other Performance Measure, Amount Other Performance Measure, Amount Investments in Short-Term Marketable Debt Securities Marketable Securities, Policy [Policy Text Block] 2026 Lessor, Operating Lease, Payment to be Received, Year One Dividends declared Dividends paid Dividends Related Party Related and Nonrelated Parties [Domain] $ Income Tax Expense (Benefit), Effective Income Tax Rate Reconciliation, Amount [Abstract] Fair Value Measurements and Investments Fair Value Measurements And Investments Disclosure [Text Block] The entire disclosure for fair value measurements and investments. Litigation Status [Axis] Litigation Status [Axis] Vesting [Axis] Vesting [Axis] Fair Value of Financial Instruments Fair Value of Financial Instruments, Policy [Policy Text Block] Restricted cash Restricted Cash Accrued revenue included in accounts receivable Accrued Fees and Other Revenue Receivable Additional paid-in-capital Additional Paid in Capital, Common Stock Net cash provided by (used in) investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Revenue, remaining performance obligation, expected timing of satisfaction, period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period 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] Thereafter Estimated Payments Under Tax Receivable Agreement After Year Five Amount of estimated payments pursuant to the tax receivable agreement due after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Document Fiscal Year Focus Document Fiscal Year Focus Number of former employees Number Of Former Employees Number Of Former Employees Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Right-of-use lease assets Operating Lease, Right-of-Use Asset Effective tax rate Effective Income Tax Rate Reconciliation, Percent Reductions for tax positions of prior years Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Operating lease cost Operating Lease, Cost Plan Name [Domain] Plan Name [Domain] 2030 Estimated Payments Under Tax Receivable Agreement Year Five Amount of estimated payments pursuant to the tax receivable agreement to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Transaction costs Business Combination, Acquisition-Related Cost, Expense Weighted average period of unrecognized compensation cost related to unvested awards Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Valuation allowance Valuation allowance Deferred Tax Assets, Valuation Allowance Equity Equity [Abstract] Goodwill and Intangible Assets Goodwill and Intangible Assets, Policy [Policy Text Block] Segment and Geographic Information Segment Reporting Disclosure [Text Block] Goodwill [Table] Goodwill [Table] US Treasury Securities US Treasury Securities [Member] 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] Federal income tax Current Federal Tax Expense (Benefit) Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Assumptions Used in Applying Pricing Model Schedule Of Share Based Payment Award Other Than Stock Options Valuation Assumptions [Table Text Block] Tabular disclosure of schedule of share based payment award other than stock options valuation assumptions. Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Contingent consideration Financial liabilities Business Combination, Contingent Consideration, Liability Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Fair Value, Recurring and Nonrecurring [Table] Amortization expense Amortization of Intangible Assets Leases Lessee, Leases [Policy Text Block] Deferred tax asset, net Deferred Income Tax Assets, Net Interest Income Interest Income, Policy [Policy Text Block] Disclosure of accounting policy for recognizing interest income. Consideration received Sale of Stock, Consideration Received on Transaction Revolving Credit Facility Revolving Credit Facility [Member] Accounts Receivable, Net of Allowance Accounts Receivable [Policy Text Block] Effect of the Merger and related transactions Temporary Equity, Effect Of Merger And Related Transactions, Value Temporary Equity, Effect Of Merger And Related Transactions, Value Other foreign jurisdictions Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount Arrangement Duration Trading Arrangement Duration Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Professional Partners Awards (liability-classified) Professional Partners Awards, Liability Classified [Member] Professional Partners Awards, Liability Classified Other Payment for (Proceeds from) Other Investing Activity Equity-Based Compensation Share-Based Payment Arrangement [Text Block] Intangible assets Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Excluding Goodwill Cash and cash equivalents Business Combination, Recognized Asset Acquired, Cash and Cash Equivalent Assets Assets [Abstract] Credit Facility Credit Facility [Axis] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Voting rights with ceased threshold percentage Common Stock, Number of Voting Rights With Ceased Threshold Percentage Common Stock, Number of Voting Rights With Ceased Threshold Percentage Debt Instrument [Axis] Debt Instrument [Axis] Weighted average grant date fair value, 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 Business Combination [Line Items] Business Combination [Line Items] Credit Facility Credit Facility [Domain] Treasury stock purchase Treasury Stock, Value, Acquired, Cost Method Entity Voluntary Filers Entity Voluntary Filers Property, Plant and Equipment [Abstract] Accounts receivable, net of allowance Accounts Receivable, after Allowance for Credit Loss Entity Registrant Name Entity Registrant Name Retirement Plan Name [Domain] Retirement Plan Name [Domain] Redeemable non-controlling interests, units (in shares) Temporary Equity, Shares Outstanding Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Professional Partners and ILPs Professional Partners and ILPs [Member] Professional Partners and ILPs [Member] Equity-based awards Temporary Equity, Equity-Based Awards Temporary Equity, Equity-Based Awards Other State and Local Tax Jurisdiction, Other [Member] Other Receivable, after Allowance for Credit Loss, Current, Related Party, Type [Extensible Enumeration] Other Receivable, after Allowance for Credit Loss, Current, Related Party [Extensible Enumeration] Tax Credit Carryforward [Line Items] Tax Credit Carryforward [Line Items] Effect of cross-border tax laws Effective Income Tax Rate Reconciliation, Cross-Border Tax Effect, Amount [Abstract] Income Tax, Examination [Table] Income Tax, Examination [Table] Weighted average grant date fair value, 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 Related Party Related and Nonrelated Parties [Axis] Principal and interest related to promissory notes in cash Principal and Interest related to Promissory Notes Paid in Cash Principal and Interest related to Promissory Notes Paid in Cash Summary of Components of Gross and Net Intangible Asset Schedule of Finite-Lived Intangible Assets [Table Text Block] Restatement Determination Date: Restatement Determination Date [Axis] Foreign income tax Deferred Foreign Income Tax Expense (Benefit) Accounts Receivable Accounts Receivable [Member] Accrued distributions to partners Accrued Distributions To Partners Accrued Distributions To Partners Other Proceeds from (Payment for) Other Financing Activity Liabilities Business Combination, Recognized Liability Assumed, Liability [Abstract] Redeemable non-controlling interests (in dollars per share) Temporary Equity, Redemption Price Per Share Name Trading Arrangement, Individual Name Increase of deferred tax asset Deferred Tax Assets, Due To Step Up And Difference Basis, Increase (Decrease) Deferred Tax Assets, Due To Step Up And Difference Basis, Increase (Decrease) Statement of Comprehensive Income [Abstract] Equity consideration Business Combination, Consideration Transferred, Equity Interest Name Awards Close in Time to MNPI Disclosures, Individual Name Weighted average grant date fair value, beginning balance (in dollars per share) Weighted average grant date fair value, ending balance (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 Restructuring Type [Axis] Restructuring Type [Axis] Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] ICFR Auditor Attestation Flag ICFR Auditor Attestation Flag Cash equivalents Cash Equivalents, at Carrying Value Equity-based awards APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Devon Park Devon Park [Member] Devon Park Foreign Tax Jurisdiction Foreign Tax Jurisdiction [Member] Auditor Firm ID Auditor Firm ID International Income (Loss) from Continuing Operations before Income Taxes, Foreign One Client One Customer [Member] One Customer Fair Value Hierarchy and NAV Fair Value Hierarchy and NAV [Domain] Statement of Financial Position Location, Balance [Domain] Statement of Financial Position Location, Balance [Domain] Transaction PSUs Transaction PSUs [Member] Transaction PSUs PWP OpCo Units PWP OpCo Class A Partnership Units [Member] PWP OpCo Class A Partnership Units [Member] Less: Accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Net Income (Loss) Per Share Earnings Per Share, Policy [Policy Text Block] Preferred stock, par value $0.0001 per share (100,000,000 shares authorized, no shares issued and outstanding at December 31, 2025 and December 31, 2024) Preferred Stock, Value, Issued Three Clients Three Customers [Member] Three Customers Total liabilities assumed Business Combination, Recognized Liability Assumed, Liability All Executive Categories All Executive Categories [Member] Schedule of Deferred Tax Assets and Liabilities Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Common stock value Common Stock, Value, Issued Payments pursuant to tax receivable agreement Payments Pursuant To Tax Receivable Agreement Payments Pursuant To Tax Receivable Agreement Compensation and benefits Compensation Expense Excluding Equity Based Compensation Amount of expense for salary, wage, profit sharing; incentive compensation; and other employee benefit. Other employee benefit expense includes, but is not limited to, service component of net periodic benefit cost for defined benefit plan. Excludes equity-based compensation expense. Investments in short-term marketable debt securities Short-Term Investments Prepaid expenses and other assets Business Combination, Recognized Asset Acquired, Prepaid Expense and Other Asset, Current Conversion ratio Stockholders' Equity Note, Conversion Ratio Stockholders' Equity Note, Conversion Ratio Commitments and Contingencies (Note 17) Commitments and Contingencies Increase (decrease) in operating liabilities: Increase (Decrease) in Operating Liabilities [Abstract] Non-cash paydown of Partner promissory notes Non-Cash Paydown Of Partner Promissory Notes Non-Cash Paydown Of Partner Promissory Notes Intangible assets Business Combination, Recognized Asset Acquired, Identifiable Intangible Asset, Finite-Lived Business Combination [Axis] Business Combination [Axis] Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Non- Controlling Interests Noncontrolling Interest [Member] Thereafter Lessor, Operating Lease, Payment to be Received, after Year Five Deferred tax asset, net Deferred Tax Assets, Net PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Revenue from Contract with Customer [Abstract] Schedule of Unrecognized Tax Benefits Roll Forward Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] $30 Price Tranche Three Zero Price Tranche [Member] Tranche four. California CALIFORNIA Proceeds from issuance of Class A common stock in public offering, net of underwriting discount and offering costs Proceeds from Issuance of Common Stock Operating lease, term (in years) Lessor, Operating Lease, Term of Contract All Individuals All Individuals [Member] Long-term Debt, Type Long-Term Debt, Type [Domain] Fair Value Disclosures [Abstract] Purchases of fixed assets Payments to Acquire Property, Plant, and Equipment Point in time Transferred at Point in Time [Member] Name Forgone Recovery, Individual Name 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] Private Placement Private Placement [Member] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Intangible Asset, Finite-Lived [Table] Intangible Asset, Finite-Lived [Table] Geographical [Axis] Geographical [Axis] Exchange of PWP OpCo Units and corresponding Class B common stock for Class A common stock (Note 11—Stockholders’ Equity and Redeemable Non-Controlling Interests) Conversion Of Stock, Shares Converted, Value Conversion Of Stock, Shares Converted, Value Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Operating lease liabilities Deferred Tax Assets, Operating Lease Liabilities Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from operating lease liabilities. Foreign currency transaction gain (loss), before tax Gain (Loss), Foreign Currency Transaction, before Tax Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Concentration Risk Benchmark Concentration Risk Benchmark [Domain] Title of 12(b) Security Title of 12(b) Security Trade taxes Effective Income Tax Rate Reconciliation, Other Reconciling Items, Amount Net income (loss) per share attributable to Class A common shareholders Earnings Per Share [Abstract] Restructuring Plan [Axis] Restructuring Plan [Axis] 2030 Lessee, Operating Lease, Liability, to be Paid, Year Five Total non-operating income (expenses) Nonoperating Income (Expense) Schedule of Weighted Average Potentially Dilutive Shares Excluded from Computation of Diluted Net Income (Loss) Per Share Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table Text Block] Tax credit carryforward Tax Credit Carryforward, Amount Change in ownership interests Temporary Equity, Adjustments to Additional Paid in Capital Change in Ownership Interest Value Temporary Equity, Adjustments to Additional Paid in Capital Change in Ownership Interest Value Accounts Payable and Accrued Liabilities Accounts Payable and Accrued Liabilities [Member] Treasury stock purchase (in shares) Treasury stock purchase (in Shares) Treasury Stock, Shares, Acquired Effect of the Merger and related transactions Effect Of Merger And Related Transactions, Value Effect Of Merger And Related Transactions, Value Award Timing Disclosures [Line Items] New York City New York City [Member] New York City Changes in redemption value of redeemable non-controlling interests Temporary Equity, Change In Redemption Value Temporary Equity, Change In Redemption Value Recoveries Accounts Receivable, Allowance for Credit Loss, Recovery 2028 Estimated Payments Under Tax Receivable Agreement Year Three Amount of estimated payments pursuant to the tax receivable agreement to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). 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Write-offs Accounts Receivable, Allowance for Credit Loss, Writeoff Increase in amount due pursuant to tax receivable agreement Tax Receivable Agreement Payable, Increase (Decrease) Tax Receivable Agreement Payable, Increase (Decrease) Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Consolidated Entities [Axis] Consolidated Entities [Axis] Common stock par value (in dollars per share) Common Stock, Par or Stated Value Per Share Branch income Effective Income Tax Rate Reconciliation, Cross-Border Tax Effect, Amount Other international countries Other International Countries [Member] Other International Countries Use of Estimates Use of Estimates, Policy [Policy Text Block] Rent and occupancy Occupancy, Net Subsequent Events Subsequent Events [Text Block] Foreign currency translation gain (loss), net of tax Foreign currency translation gain (loss) Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Insider Trading Arrangements [Line Items] Legacy Awards Legacy Awards [Member] Legacy Awards. 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Non-NEOs Non-NEOs [Member] TPH Business Combination Tudor, Pickering, Holt & Co., LLC [Member] Tudor, Pickering, Holt & Co., LLC