v3.26.1
Equity-Based and Other Deferred Compensation - Unvested Units After Expected Forfeitures which are Expected to Vest (Details)
3 Months Ended
Mar. 31, 2026
shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Units expected to vest 5,804,744
Weighted-average service period of unit expected to vest (in years) 1 year 9 months 18 days
Restricted Stock Units  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Units expected to vest 5,075,946
Weighted-average service period of unit expected to vest (in years) 1 year 10 months 24 days
PJT Partners Holdings LP | Partnership Units  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]  
Units expected to vest 728,798
Weighted-average service period of unit expected to vest (in years) 1 year 3 months 18 days