Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
Net Income	$ 145,682	$ 164,772	$ 189,955
Other Comprehensive Income (Loss), Net of Tax — Currency Translation Adjustment	3,249	(5,304)	(1,444)
Comprehensive Income	148,931	159,468	188,511
Comprehensive Income Attributable to Non-Controlling Interests	65,325	71,839	83,126
Comprehensive Income Attributable to PJT Partners Inc.	$ 83,606	$ 87,629	$ 105,385