v3.26.1
Transactions With Related Parties - Additional Information (Details)
shares in Thousands, $ in Thousands
3 Months Ended
Mar. 31, 2026
USD ($)
shares
Mar. 31, 2025
USD ($)
shares
Dec. 31, 2025
USD ($)
Related Party Transaction [Line Items]      
Cash settled exchange of partnership units | $ $ 135,994 $ 57,310  
Amount due to tax receivable agreement | $ $ 34,556   $ 30,288
PJT Partners Holdings LP      
Related Party Transaction [Line Items]      
Exchange of partnership units settled | shares 900 300  
Percentage payment to exchanging holders of partnership units of benefits 85.00%    
Class A Common Stock | PJT Partners Holdings LP      
Related Party Transaction [Line Items]      
Exchange of Partnership unit to shares, number of shares per each unit 1    
Exchange of partnership units settled | shares 149