Organization	12 Months Ended
Dec. 31, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Organization	1. ORGANIZATION PJT Partners Inc. and its consolidated subsidiaries (the “Company” or “PJT Partners”) offer a unique portfolio of advisory and placement services designed to help clients achieve their strategic objectives. On October 1, 2015, Blackstone Inc. (the “former Parent”) distributed on a pro rata basis to its common unitholders all of the issued and outstanding shares of Class A common stock of PJT Partners Inc. held by it. This pro rata distribution is referred to as the “Distribution.” The separation of the PJT Partners business from the former Parent and related transactions, including the Distribution, the internal reorganization that preceded the Distribution and the acquisition by PJT Partners of PJT Capital LP (together with its general partner and their respective subsidiaries, “PJT Capital”) that occurred substantially concurrently with the Distribution, is referred to as the “spin-off.” As the sole general partner of PJT Partners Holdings LP, PJT Partners Inc. operates and controls all of the business and affairs and consolidates the financial results of PJT Partners Holdings LP and its operating subsidiaries. The Company operates through the following subsidiaries: PJT Partners LP, PJT Partners (UK) Limited, PJT Partners (HK) Limited, PJT Partners Park Hill (Spain) A.V., S.A.U., PJT Partners (Germany) GmbH, PJT Partners (France) SAS, PJT Partners Japan K.K., and deNovo Corporate Advisors MENA LLC ("deNovo MENA"), deNovo Partners (DIFC) Limited ("deNovo DIFC"), and deNovo Partners Finance (collectively with deNovo MENA and deNovo DIFC, "deNovo Partners").

Organization

12 Months Ended

Dec. 31, 2024

Organization, Consolidation and Presentation of Financial Statements [Abstract]

ORGANIZATION

PJT Partners Inc. and its consolidated subsidiaries (the “Company” or “PJT Partners”) offer a unique portfolio of advisory and placement services designed to help clients achieve their strategic objectives.

On October 1, 2015, Blackstone Inc. (the “former Parent”) distributed on a pro rata basis to its common unitholders all of the issued and outstanding shares of Class A common stock of PJT Partners Inc. held by it. This pro rata distribution is referred to as the “Distribution.” The separation of the PJT Partners business from the former Parent and related transactions, including the Distribution, the internal reorganization that preceded the Distribution and the acquisition by PJT Partners of PJT Capital LP (together with its general partner and their respective subsidiaries, “PJT Capital”) that occurred substantially concurrently with the Distribution, is referred to as the “spin-off.”

As the sole general partner of PJT Partners Holdings LP, PJT Partners Inc. operates and controls all of the business and affairs and consolidates the financial results of PJT Partners Holdings LP and its operating subsidiaries. The Company operates through the following subsidiaries: PJT Partners LP, PJT Partners (UK) Limited, PJT Partners (HK) Limited, PJT Partners Park Hill (Spain) A.V., S.A.U., PJT Partners (Germany) GmbH, PJT Partners (France) SAS, PJT Partners Japan K.K., and deNovo Corporate Advisors MENA LLC ("deNovo MENA"), deNovo Partners (DIFC) Limited ("deNovo DIFC"), and deNovo Partners Finance (collectively with deNovo MENA and deNovo DIFC, "deNovo Partners").