Amount due pursuant to tax receivable agreement.

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Partnership unit exchange rate.

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Aggregate payment to Partnership Unitholders for exchange of Partnership Units.

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Percentage payment to exchanging holders of partnership units of benefits.

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Sub lease commencement date.

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Sublease, Existence of Option to Extend

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Sublease term of contract.

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The number of units converted into shares of each class of partners' capital account. Units represent shares of ownership of the general, limited, and preferred partners.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount of sublease income excluding finance and operating lease expense.

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Transactions With Related Parties - Additional Information (Details) $ in Thousands, shares in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2025 USD ($) shares	Jun. 30, 2024 USD ($) shares	Dec. 31, 2024 USD ($)
Related Party Transaction [Line Items]
Cash settled exchange of partnership units			$ 81,252	$ 30,282
Sublease Income	$ 239	$ 199	442	403
Amount due to tax receivable agreement	33,470		33,470		$ 29,343
Dynasty Equity Partners Management \| Sublease Agreement
Related Party Transaction [Line Items]
Sublease Income	$ 200	$ 200	$ 400	$ 400
Sublease, commitment date			Oct. 01, 2022
Sublease, term of contract			2 years
Sublease, Existence of Option to Extend			true
PJT Partners Holdings LP
Related Party Transaction [Line Items]
Exchange of partnership units settled \| shares			0.5	0.3
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			0.2