Aggregate dividends declared during the period for each share of common stock outstanding.

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Date the declared dividend will be paid, in YYYY-MM-DD format.

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Date the holder must own the stock to be entitled to the dividend, in YYYY-MM-DD format.

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Describes the declaration as being a special dividend (over and above the normal dividend); as the annual, semi-annual, quarterly dividend, or other normal periodic dividend; or as some other type of dividend.

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Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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Subsequent Events - Additional Information (Details) - Class A Common Stock - $ / shares		3 Months Ended
	Apr. 28, 2022	Mar. 31, 2022	Mar. 31, 2021
Subsequent Event [Line Items]
Dividends Declared Per Share of Class A Common Stock		$ 0.25	$ 0.05
Subsequent Event \| Quarterly Dividend
Subsequent Event [Line Items]
Dividend declared, description	The Board of Directors of PJT Partners Inc. has declared a quarterly dividend
Dividends Declared Per Share of Class A Common Stock	$ 0.25
Dividends payable, date to be paid	Jun. 22, 2022
Dividends payable, date of record	Jun. 08, 2022