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Investments in Unconsolidated Joint Ventures - Summary of Investments and Income from Investments In Unconsolidated Joint Ventures (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 29, 2024	Dec. 31, 2023
Schedule Of Equity Method Investments [Line Items]
Investments in unconsolidated joint ventures	$ 132,788			$ 132,239
Loss from unconsolidated joint ventures	$ (1,346)	$ (5,762)
712 Fifth Avenue [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method paramount ownership percentage	50.00%
Market Center [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method paramount ownership percentage	67.00%
Loss from unconsolidated joint ventures		(2,655)
55 Second Street [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method paramount ownership percentage	44.10%
Investments in unconsolidated joint ventures	$ 30,019			30,322
Loss from unconsolidated joint ventures	$ (302)	(639)
111 Sutter Street [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method paramount ownership percentage	49.00%
1600 Broadway [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method paramount ownership percentage	9.20%
Investments in unconsolidated joint ventures	$ 8,496			8,646
Loss from unconsolidated joint ventures	$ 1	(3)
60 Wall Street [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method paramount ownership percentage	5.00%		5.00%
Investments in unconsolidated joint ventures	$ 217
Loss from unconsolidated joint ventures	$ (1,687)	(17)
One Steuart Lane [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method paramount ownership percentage	35.00%
Investments in unconsolidated joint ventures	$ 90,640			89,949
Loss from unconsolidated joint ventures	$ 691	(2,416)
Oder-Center, Germany [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method paramount ownership percentage	9.50%
Investments in unconsolidated joint ventures	$ 3,416			$ 3,322
Loss from unconsolidated joint ventures	$ (49)	$ (32)