Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Statistical Measurement Statistical Measurement [Domain] Award Timing Predetermined Award Timing Predetermined [Flag] Related Party Transaction [Axis] Related Party Transaction [Axis] Remainder of 2025 Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Finite-Lived Intangible Assets, Net, Amortization Expense, Rolling Maturity [Abstract] Finite-Lived Intangible Assets, Net, Amortization Expense, Rolling Maturity [Abstract] Entity File Number Entity File Number Additional Paid-In Capital Additional Paid-in Capital [Member] Tabular List, Table Tabular List [Table Text Block] Leases [Abstract] Leases [Abstract] Share issued (in shares) Business Combination, Consideration Transferred, Equity Interest, Share Issued, Number of Shares 2029 Lessor, Operating Lease, Payment to be Received, Year Four Recently Adopted and Future Adoption of Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] 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 Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation Organization and Nature of Business Abstract 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 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 minority units held by noncontrolling shareholders, partners or other equity holders in consolidated entity. Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Accounts payable, accrued expenses and other liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities 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] Foreign currency translation gain (loss) Temporary Equity, Foreign Currency Translation Adjustments Schedule of Stock by Class [Table] Stock, Class of Stock [Table] 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 Business Realignment Business Realignment [Member] Business Realignment 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 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 Employee Stock Option Share-Based Payment Arrangement, Option [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Schedule Of Property Plant And Equipment [Table] Property, Plant and Equipment [Table] Antidilutive Securities [Axis] Antidilutive Securities [Axis] Measurement Frequency [Axis] Measurement Frequency [Axis] Insider Trading Policies and Procedures [Line Items] Equity-based compensation Total Equity-based compensation Share-Based Payment Arrangement, Expense Schedule 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 (Note 9—Stockholders’ Equity and Redeemable Non-Controlling Interests) (in shares) Stock Issued During Period, Shares, New Issues Total liabilities, redeemable non-controlling interests, and equity Liabilities and Equity Foreign Currencies Foreign Currency Transactions and Translations Policy [Policy Text Block] Recurring Basis Fair Value, Recurring [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Concentration Risk Benchmark Concentration Risk Benchmark [Axis] Net income (loss) Temporary Equity, Net Income Liabilities, Redeemable Non-Controlling Interests, and Equity Liabilities and Equity [Abstract] Exchange of PWP OpCo Units and corresponding Class B common stock for Class A common stock (Note 9—Stockholders’ Equity and Redeemable Non-Controlling Interests) Exchange of PWP OpCo Units and corresponding Class B common stock for cash Payment for the exchange of partnership units, cash Payment For The Exchange Of Partnership Units Payment For The Exchange Of Partnership Units Cover [Abstract] Cover [Abstract] Investments in U.S. treasury securities included in cash and cash equivalents Cash and Cash Equivalents, Fair Value Disclosure Restructuring and related cost, incurred cost 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 Accounting Policies [Abstract] Accounting Policies [Abstract] Intangible assets, net of accumulated amortization Net Carrying Amount Finite-Lived Intangible Assets, Net Schedule of Operating Lease Maturities Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Concentration Risk Type Concentration Risk Type [Domain] 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] Treasury Stock Treasury Stock, Common [Member] Total fair value of RSUs vested Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] 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 Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Total sublease income Total sublease income Lessor, Operating Lease, Payment to be Received Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Regulatory Requirements [Abstract] Regulatory Requirements [Abstract] Regulatory requirements abstract Income (loss) before income taxes 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] 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). Schedule of Variable Interest Entities [Table] Variable Interest Entity [Table] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount 2028 Lessee, Operating Lease, Liability, to be Paid, Year Three 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] Comprehensive income (loss) attributable to Perella Weinberg Partners Comprehensive Income (Loss), Net of Tax, Attributable to Parent 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). Name Measure Name Class of Stock [Line Items] Class of Stock [Line Items] Document Fiscal Period Focus Document Fiscal Period Focus Travel and related expenses Travel and Entertainment Expense Award Timing Method Award Timing Method [Text Block] Maximum incremental revolving commitments Maximum Incremental Revolving Commitments Maximum amount of incremental revolving commitments that may be incurred. Furniture and fixtures Furniture and Fixtures [Member] Award Type Award Type [Axis] Total assets Assets Assets Equity-Based Compensation Share-Based Payment Arrangement [Policy Text Block] Expected amortization, year one Finite-Lived Intangible Asset, Expected Amortization, Year One Trading Symbol Trading Symbol 2029 Lessee, Operating Lease, Liability, to be Paid, Year Four Cash, Cash Equivalents and Restricted Cash Cash and Cash Equivalents, Restricted Cash and Cash Equivalents, Policy [Policy Text Block] Geographical [Domain] Geographical [Domain] Entity Address City Or Town Entity Address, City or Town Professional Partners Award Professional Partners Award [Member] Professional Partners Award [Member] Cash flows from operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Intangible Assets Intangible Assets Disclosure [Text Block] 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 Concentration Risk Type Concentration Risk Type [Axis] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Distributions to partners Partners' Capital Account, Distributions Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] Entity Emerging Growth Company Entity Emerging Growth Company Dividend declared (in Dollars per Share) Common Stock, Dividends, Per Share, Declared Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Decrease (increase) in operating assets: Increase (Decrease) in Operating Assets [Abstract] Lease liabilities arising from obtaining right-of-use lease assets Right-of-Use Asset Obtained in Exchange for Operating Lease Liability 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] Level 2 Fair Value, Inputs, Level 2 [Member] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Business Combination Business Combination [Domain] Operating Lease Payments Lessee, Operating Lease, Liability, to be Paid, Fiscal Year Maturity [Abstract] Related Party Related Party [Member] Common stock, shares outstanding (in shares) Common stock, beginning balance (in shares) Common stock, ending balance (in shares) Common Stock, Shares, Outstanding Remainder of 2025 Lessor, Operating Lease, Payment to be Received, Remainder of Fiscal Year Bad debt expense Bad debt expense Accounts Receivable, Credit Loss Expense (Reversal) Plan Name [Axis] Plan Name [Axis] Document Information [Table] Document Information [Table] PEO PEO [Member] Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Employee Severance Employee Severance [Member] Transaction Pool PSUs And RSUs Transaction Pool PSUs And RSUs [Member] Transaction Pool PSUs And RSUs Accumulated deficit due to insufficient additional paid-in capital Accumulated Deficit Accumulated Deficit Supplemental disclosure of non-cash activities Noncash Investing and Financing Items [Abstract] Foreign currency revaluation Unrealized Gain (Loss), Foreign Currency Transaction, before Tax United States UNITED STATES Three Clients Three Customer [Member] Three Customer 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] Retained Earnings (Accumulated Deficit) Retained Earnings [Member] Accounts payable, accrued expenses and other liabilities Accounts Payable and Accrued Liabilities Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Share-based Payment Arrangement [Abstract] 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] Income Statement [Abstract] Income tax expense (benefit) Income Tax Expense (Benefit) 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 Class B Common Stock, par value $0.0001 per share Class B Common Stock Common Class B [Member] Sale of Stock [Domain] Sale of Stock [Domain] Thereafter Lessor, Operating Lease, Payment to be Received, After Year Four Lessor, Operating Lease, Payment to be Received, After Year Four Financial assets Investments, Fair Value Disclosure 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] Client Accounting for More than 10% of Aggregate Receivable Customer Concentration Risk [Member] Total Property, Plant and Equipment, Gross 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 9—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] Indemnification Guarantee Indemnification Agreement [Member] 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] City Area Code City Area Code Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] 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] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Number of partnerships Number Of Partnerships Number Of Partnerships 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. Net cash provided by (used in) operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Related Party Transactions [Abstract] Related Party Transactions [Abstract] Preferred stock par or stated value per share (in Dollars per Share) Preferred Stock, Par or Stated Value Per Share Revenues from External Customers and Long-Lived Assets [Line Items] Revenues from External Customers and Long-Lived Assets [Line Items] Subsequent Event Subsequent Event [Member] Total net lease cost Lease, Cost Goodwill Goodwill Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Estimate of possible loss Loss Contingency, Estimate of Possible Loss $20.00 Price Tranche Two Zero Price Tranche [Member] Two Zero Price Tranche Schedule of Operating Leases Lease, Cost [Table Text Block] 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. Numerator: Net Income (Loss) Available to Common Stockholders, Diluted [Abstract] Equity Components Equity Components [Axis] International Non-US [Member] 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 Organization and Nature of Business Nature of Operations [Text Block] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Number of reportable segments Number of Reportable Segments Equipment Equipment [Member] Other Compensation and Benefits Compensation and Employee Benefit Plans [Text Block] Supplemental disclosures of cash flow information Supplemental Cash Flow Information [Abstract] Distribution rate Distribution Rate Distribution Rate Other Performance Measure, Amount Other Performance Measure, Amount Entity Address State Or Province Entity Address, State or Province Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table] Antidilutive Security, Excluded EPS Calculation [Table] Number of installments Business Combination, Consideration Transferred, Number of Installments Business Combination, Consideration Transferred, Number of Installments 2026 Lessor, Operating Lease, Payment to be Received, Year One Dividends declared Dividends Related Party Related and Nonrelated Parties [Domain] Fair Value Measurements and Investments Fair Value Measurements And Investments Disclosure [Text Block] The entire disclosure for fair value measurements and investments. Number of former partners Number Of Former Partners Number Of Former Partners Litigation Status [Axis] Litigation Status [Axis] Individual: Individual [Axis] Costs incurred for employee benefit plans Defined Contribution Plan, Cost Vesting [Axis] Vesting [Axis] Restricted cash Restricted Cash Sublease Receipts Lessor, Operating Lease, Payment to be Received, Fiscal Year Maturity [Abstract] Accrued revenue included in accounts receivable Accrued Fees and Other Revenue Receivable Dividends paid on Class A and Class B common stock Payments of Ordinary Dividends, Common Stock 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] Loss contingency, pending plaintiffs claims, number Loss Contingency, Pending Plaintiffs Claims, Number Loss Contingency, Pending Plaintiffs Claims, Number 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 Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Noncontrolling interest, ownership percentage by noncontrolling owners Subsidiary, Ownership Percentage, Noncontrolling Owner Effective income tax rate Effective Income Tax Rate Reconciliation, Percent Entity Interactive Data Current Entity Interactive Data Current Operating lease cost Operating Lease, Cost Plan Name [Domain] Plan Name [Domain] Weighted average period of unrecognized compensation cost to RSUs (in years) Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Equity Equity [Abstract] Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Investment owned, at cost Investment Owned, Cost Segment and Geographic Information Segment Reporting Disclosure [Text Block] 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] Disaggregation Of Revenue [Table] Disaggregation of Revenue [Table] Long-Lived Tangible Asset Long-Lived Tangible Asset [Axis] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Other Temporary Equity, Other Changes Ownership Ownership [Domain] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table] Fair Value, Recurring and Nonrecurring [Table] Amortization expense Amortization of Intangible Assets Deferred tax assets, net Deferred Income Tax Assets, Net Customer [Domain] Customer [Domain] Entity Central Index Key Entity Central Index Key PEO Name PEO Name Consideration received Sale of Stock, Consideration Received on Transaction 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 Revolving Credit Facility Revolving Credit Facility [Member] 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 Schedule of Defined Benefit Plans Disclosures [Table] Defined Benefit Plan [Table] Arrangement Duration Trading Arrangement Duration Schedule Of Segment Reporting Information By Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Local Phone Number Local Phone Number Class of Stock Class of Stock [Domain] 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 Subsequent Event Type Subsequent Event Type [Axis] Equity-Based Compensation Share-Based Payment Arrangement [Text Block] Assets Assets [Abstract] Credit Facility Credit Facility [Axis] Underlying Security Market Price Change Underlying Security Market Price Change, Percent 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 Credit Facility Credit Facility [Domain] 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 Treasury stock purchase Treasury Stock, Value, Acquired, Cost Method Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Exchange of PWP OpCo Units and corresponding Class B common stock for Class A common stock (in shares) 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 Redeemable non-controlling interests (23,458,506 units at redemption value of $21.44 per unit as of September 30, 2025; 27,460,600 units at redemption value of $23.71 per unit as of December 31, 2024) Redeemable Noncontrolling Interest, Equity, Carrying Amount Ownership Ownership [Axis] Intangible Assets, Net (Excluding Goodwill) [Abstract] Intangible Assets, Net (Excluding Goodwill) [Abstract] Fair Value as of Grant Date Award Grant Date Fair Value Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Accounts receivable, net of allowance Accounts Receivable, after Allowance for Credit Loss Entity Registrant Name Entity Registrant Name Remainder of 2025 Lessee, Operating Lease, Liability, Payments, Net Of Sublease Income, Remainder Of Fiscal Year Lessee, Operating Lease, Liability, Payments, Net Of Sublease Income, Remainder Of Fiscal Year 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] 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 Shares granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Unrecognized compensation expense Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Professional Partners and ILPs Professional Partners and ILPs [Member] Professional Partners and ILPs [Member] Related Party Transaction [Line Items] Related Party Transaction [Line Items] Equity-based awards Temporary Equity, Equity-Based Awards Temporary Equity, Equity-Based Awards Document Quarterly Report Document Quarterly Report $15.00 Price Tranche One Five Price Tranche [Member] One Five Price Tranche Deferred taxes Deferred Income Taxes and Tax Credits Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] 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] 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). 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] Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Schedule of Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Prepaid expenses and other assets Prepaid Expense and Other Assets Restatement Determination Date: Restatement Determination Date [Axis] Cash paid for business combination Payments to Acquire Businesses, Gross Non-PEO NEO Non-PEO NEO [Member] 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 Sale of Stock [Axis] Sale of Stock [Axis] Redeemable non-controlling interests (in Dollars per share) Temporary Equity, Redemption Price Per Share Name Trading Arrangement, Individual Name 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 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] Disaggregation Of Revenue [Line Items] Disaggregation of Revenue [Line Items] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Compensation Amount Outstanding Recovery Compensation Amount Litigation costs Litigation Settlement, Fee Expense Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] 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 Redeemable Non-Controlling Interests Non Controlling, Interest [Policy Text Block] Non Controlling, Interest 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] Name Awards Close in Time to MNPI Disclosures, Individual Name Payments for restructuring Payments for Restructuring Restructuring Type [Axis] Restructuring Type [Axis] Denominator: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Cash equivalents Cash Equivalents, at Carrying Value Equity-based awards APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax Devon Park Devon Park [Member] Devon Park Effect of the merger and related transactions (in shares) Effect Of Merger And Related Transactions, Shares Effect Of Merger And Related Transactions, Shares Financial Assets Fair Value Disclosure [Abstract] Financial Assets Fair Value Disclosure [Abstract] Financial assets fair value disclosure[Abstract]. Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] One Client One Customer [Member] One Customer Weighted-average shares of Class A common stock outstanding Earnings Per Share, Other Disclosure [Abstract] Earnings Per Share, Other Disclosure Fair Value Hierarchy and NAV Fair Value Hierarchy and NAV [Domain] 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] 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 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] Preferred stock, par value $0.0001 per share (100,000,000 shares authorized, no shares issued and outstanding at September 30, 2025 and December 31, 2024) Preferred Stock, Value, Issued 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 All Executive Categories All Executive Categories [Member] 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 Restructuring Plan [Domain] Restructuring Plan [Domain] 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 Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Conversion ratio Stockholders' Equity Note, Conversion Ratio Stockholders' Equity Note, Conversion Ratio Diluted (in shares) Weighted average shares of Class A common stock outstanding - diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Commitments and Contingencies (Note 16) 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 Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Business Combination Business Combination [Axis] Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Entity Small Business Entity Small Business Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Non- Controlling Interests Noncontrolling Interest [Member] Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding Document Transition Report Document Transition Report $25.00 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] Statement of Partners' Capital [Abstract] Document Period End Date Document Period End Date PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount 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 Common Class A Common Class A [Member] Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Exchange of PWP OpCo Units and corresponding Class B common stock for cash (Note 9—Stockholders’ Equity and Redeemable Non-Controlling Interests) Temporary Equity, Conversion of Convertible Securities Temporary Equity, Conversion of Convertible Securities 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 [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] Proceeds from issuance of Class A common stock in public offering, net of underwriting discount and offering costs Proceeds from Issuance of Common Stock Initial sublease term Lessor, Operating Lease, Term of Contract Variable lease cost Variable Lease, Cost Revenues Total revenue Revenue from Contract with Customer, Excluding Assessed Tax Litigation Status [Domain] Litigation Status [Domain] All Individuals All Individuals [Member] Long-term Debt, Type Long-Term Debt, Type [Domain] 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 PWP Incentive Plan Awards Incentive Plan Awards [Member] Incentive Plan Awards [Member] Statistical Measurement Statistical Measurement [Axis] 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] 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 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 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 Private Placement Private Placement [Member] 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 units. Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Geographical [Axis] Geographical [Axis] Change 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 Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Level 1 Fair Value, Inputs, Level 1 [Member] Borrowings outstanding under revolving line of credit facility Long-Term Line of Credit Foreign currency transaction gain (loss), before tax Gain (Loss), Foreign Currency Transaction, before Tax 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. 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 Accrued dividends and dividend equivalent units on unvested PWP Incentive Plan Awards Accrued Dividends on Unvested Restricted Stock Unit Accrued Dividends on Unvested Restricted Stock Unit Compensation Related Costs [Abstract] Compensation Related Costs [Abstract] 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 Net income (loss) per share attributable to Class A common shareholders Earnings Per Share [Abstract] Restructuring Plan [Axis] Restructuring Plan [Axis] 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] Other Stockholders' Equity, Other 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 Remainder of 2025 Estimated Payments Under Tax Receivable Agreement Remainder of Fiscal Year Amount of estimated payments pursuant to the tax receivable agreement to be paid in remainder of current fiscal year. Less: Imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Cash paid (refunded) for income taxes Income Taxes Paid, Net 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 Expected amortization, year two Finite-Lived Intangible Asset, Expected Amortization, Year Two Award Timing Disclosures [Line Items] Measurement Frequency [Domain] Measurement Frequency [Domain] 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 Fixed Assets Property, Plant and Equipment Disclosure [Text Block] Total lease payments Lessee, Operating Lease, Liability, to be Paid 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). Stockholders' Equity and Redeemable Non-Controlling Interests Equity [Text Block] Lock-up period 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. Net income (loss) attributable to Perella Weinberg Partners Net income (loss) attributable to Perella Weinberg Partners – basic Net Income (Loss) Attributable to Parent Subsequent Event [Table] Subsequent Event [Table] 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 Pending Litigation Pending Litigation [Member] Liability-Classified ACUs Alignment Capital Units, Liability Classified [Member] Alignment Capital Units, Liability Classified Award vesting period (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Accounts Receivable, Allowance for Credit Loss [Roll Forward] Accounts Receivable, Allowance for Credit Loss [Roll Forward] Timing of Transfer of Good or Service Timing of Transfer of Good or Service [Axis] 2026 Lessee, Operating Lease, Liability, Payments, Net Of Sublease Income, Due Year One Lessee, Operating Lease, Liability, Payments, Net Of Sublease Income, Due Year One Fixed assets, net of accumulated depreciation and amortization Fixed assets, net Property, Plant and Equipment, Net Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Adoption Date Trading Arrangement Adoption Date 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 Accounts receivable Increase (Decrease) in Accounts Receivable Entity Current Reporting Status Entity Current Reporting Status Customer [Axis] Customer [Axis] 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 Customer relationships Customer Relationships [Member] Operating income (loss) Operating Income (Loss) Line of Credit Line of Credit [Member] Consolidated Entities [Domain] Consolidated Entities [Domain] Thereafter Lessee Operating Lease, Liability, To Be Paid, After Year Four Amount of lessee's undiscounted obligation for lease payment for operating lease due after 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). Retained earnings (accumulated deficit) Retained Earnings (Accumulated Deficit) Schedule of Expense Related to Awards Share-Based Payment Arrangement, Cost by Plan [Table Text Block] 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] Statement of Financial Position [Abstract] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Executive Category: Executive Category [Axis] Weighted average number of incremental shares from assumed exchange of PWP OpCo Units (in shares) Incremental Common Shares Attributable To Exchange Of Other Units Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of units using the if-converted method. Over time Transferred over Time [Member] Exchange of PWP OpCo Units and corresponding Class B common stock for cash (in shares) Conversion of stock, shares converted, cash settled (in shares) Conversion of Stock, Shares Converted, Cash Settled Conversion of Stock, Shares Converted, Cash Settled Current Fiscal Year End Date Current Fiscal Year End Date Class of Stock Class of Stock [Axis] Subsequent Event Type Subsequent Event Type [Domain] Finite-Lived Intangible Assets, Major Class Name Finite-Lived Intangible Assets, Major Class Name [Domain] 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] Other income (expense) Other Nonoperating Income (Expense) Professional fees Professional fees Professional Fees Statement [Table] Statement [Table] Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Cash flows from financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Revenue Revenue Benchmark [Member] Deferred tax effect resulting from 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 Deferred revenue Contract with Customer, Liability Schedule of Financial Instruments That Were Measured on a 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] Unrecognized tax benefits Unrecognized Tax Benefits Anti-dilutive securities (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount All Adjustments to Compensation All Adjustments to Compensation [Member] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Amendment Flag Amendment Flag Income tax benefit of equity-based awards Share-Based Payment Arrangement, Expense, Tax Benefit Price per share (in Dollars per Share) Sale of Stock, Price Per Share 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 Software Software Development [Member] Treasury stock, at cost (14,569,154 and 13,362,975 shares of Class A common stock at September 30, 2025 and December 31, 2024, respectively) Treasury Stock, Common, Value Leases Lessee, Operating Leases [Text Block] Termination Date Trading Arrangement Termination Date Net cash provided by (used in) financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Measure: Measure [Axis] Distributions to partners Temporary Equity, Partners' Capital Account, Distributions Temporary Equity, Partners' Capital Account, Distributions Transaction Pool PSUs Transaction Pool PSUs [Member] Transaction Pool PSUs [Member] Net assets Net Assets Weighted-average discount rate – operating leases Operating Lease, Weighted Average Discount Rate, Percent Foreign currency translation and other adjustments Allowance For Doubtful Accounts Receivable Foreign Currency Translation Amount of foreign currency translation gain (loss) which increases (decreases) allowance for doubtful accounts on accounts receivable. Long-Lived Tangible Asset Long-Lived Tangible Asset [Domain] Basic (in shares) Weighted average shares of Class A common stock outstanding - basic (in shares) Weighted Average Number of Shares Outstanding, Basic Accelerated Share Based Compensation Accelerated Share Based Compensation [Member] Accelerated Share Based Compensation Partners Partners [Member] Partners Schedule of Computation of Basic and Diluted Net Income (Loss) Per Share Attributable to Class A Common Shareholders Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Related Party Transaction [Domain] Related Party Transaction [Domain] Subsequent Events [Abstract] Subsequent Events [Abstract] Segment Reporting [Abstract] Segment Reporting [Abstract] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Non-operating income (expenses) Nonoperating Income (Expense) [Abstract] Entity Tax Identification Number Entity Tax Identification Number Two Clients Two Customers [Member] Two Customers Write-offs Accounts Receivable, Allowance for Credit Loss, Writeoff 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 Common stock, shares issued (in shares) Common Stock, Shares, Issued Weighted-average remaining lease term – operating leases Operating Lease, Weighted Average Remaining Lease Term Schedule of Company's Tax Position Tax Position Summary [Table Text Block] Tax position summary. 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. Use of Estimates Use of Estimates, Policy [Policy Text Block] Rent and occupancy Occupancy, Net Thereafter Estimated Payments Under Tax Receivable Agreement After Year Four Amount of estimated payments pursuant to the tax receivable agreement due after 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). Trading Arrangement: Trading Arrangement [Axis] Total Shareholder Return Amount Total Shareholder Return Amount Loss Contingencies [Line Items] Loss Contingencies [Line Items] Subsequent Events Subsequent Events [Text Block] Foreign currency translation gain (loss), net of tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Insider Trading Arrangements [Line Items] Security Exchange Name Security Exchange Name Additional consideration, revenue generation period (in years) Business Combination, Additional Consideration, Revenue Generation, Period Business Combination, Additional Consideration, Revenue Generation, Period 2027 Lessor, Operating Lease, Payment to be Received, Year Two Total liabilities Liabilities Cash and Cash Equivalents [Axis] Cash and Cash Equivalents [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Thereafter Lessee, Operating Lease, Liability, Payments, Net Of Sublease Income, Due After Year Four Lessee, Operating Lease, Liability, Payments, Net Of Sublease Income, Due After Year Four Commitment fee percentage Line of Credit Facility, Commitment Fee Percentage Accrued capital expenditures Capital Expenditures Incurred but Not yet Paid Maximum borrowing capacity Line of Credit Facility, Maximum Borrowing Capacity Fair Value Measurements And Investments [Abstract] Fair Value Measurements And Investments [Abstract] Fair Value Measurements And Investments [Abstract] Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Expenses Operating Expenses [Abstract] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Trade names and trademarks Trademarks and Trade Names [Member] Net cash outflows on operating leases Payments for (Proceeds from) Loans and Leases Redeemable Non-Controlling Interests Increase (Decrease) in Temporary Equity [Roll Forward] Issuance of Class A common stock in public offering (Note 9—Stockholders’ Equity and Redeemable Non-Controlling Interests) Stock Issued During Period, Value, New Issues 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 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) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period 2028 Lessee, Operating Lease, Liability, Payments, Net Of Sublease Income, Due Year Three Lessee, Operating Lease, Liability, Payments, Net Of Sublease Income, Due Year Three Net income (loss) Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest Accrued compensation and benefits Employee-related Liabilities Entity Incorporation State Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] 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 Vesting Acceleration Vesting Acceleration [Member] Vesting Acceleration