v3.26.1
Transactions With Related Parties - Additional Information (Details)
shares in Thousands, $ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2026
USD ($)
shares
Jun. 30, 2026
USD ($)
shares
Jun. 30, 2025
USD ($)
shares
Dec. 31, 2025
USD ($)
Related Party Transaction [Line Items]        
Cash settled exchange of partnership units | $   $ 158,645 $ 81,252  
Amount due to tax receivable agreement | $ $ 36,032 $ 36,032   $ 30,288
PJT Partners Holdings LP        
Related Party Transaction [Line Items]        
Exchange of partnership units settled | shares   1,000 500  
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 65