v3.25.2
Commitments and Contingencies - Additional Information (Details) - USD ($)
Jul. 29, 2024
Jun. 30, 2025
Dec. 31, 2024
Commitments And Contingencies [Line Items]      
Minimum Consolidated Tangible Net Worth   $ 300,000,000  
Maximum Consolidated Leverage Ratio   1.50%  
Blackstone      
Commitments And Contingencies [Line Items]      
Loans held by employees for investments guaranteed   $ 1,700,000 $ 2,000,000
Tax benefit accrual   600,000 500,000
Revolving Credit Facility      
Commitments And Contingencies [Line Items]      
Revolving credit facility, amount outstanding   $ 0 $ 0
Revolving Credit Facility | PJT Partners Holdings LP      
Commitments And Contingencies [Line Items]      
Increase revolving credit facility $ 100,000,000    
Commitment fee on unused portion of revolving credit facility 0.25%    
Line of credit facility, frequency of commitment fee payment quarterly    
Revolving credit facility bear interest 1.85%    
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration] us-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember