v3.26.1
Commitments and Contingencies - Additional Information (Details) - USD ($)
Jul. 28, 2026
Jul. 29, 2024
Jun. 30, 2026
Dec. 31, 2025
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]        
Tax benefit accrual     $ 400,000 $ 300,000
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    
Credit facility, maturity date Jan. 29, 2027      
Revolving credit facility bear interest   1.85%    
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]   us-gaap:SecuredOvernightFinancingRateSofrOvernightIndexSwapRateMember