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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, 2023	Mar. 31, 2022	Dec. 31, 2022
Schedule Of Equity Method Investments [Line Items]
Investments in unconsolidated joint ventures	$ 385,034		$ 393,503
Loss from unconsolidated joint ventures	$ (5,762)	$ (5,113)
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%
Investments in unconsolidated joint ventures	$ 187,471		192,948
Loss from unconsolidated joint ventures	$ (2,655)	(2,363)
55 Second Street [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method paramount ownership percentage	44.10%
Investments in unconsolidated joint ventures	$ 84,701		85,340
Loss from unconsolidated joint ventures	$ (639)	(679)
111 Sutter Street [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method paramount ownership percentage	49.00%
Loss from unconsolidated joint ventures		(778)
1600 Broadway [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method paramount ownership percentage	9.20%
Investments in unconsolidated joint ventures	$ 8,968		9,113
Loss from unconsolidated joint ventures	$ (3)	(48)
60 Wall Street [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method paramount ownership percentage	5.00%
Investments in unconsolidated joint ventures	$ 24,976		25,034
Loss from unconsolidated joint ventures	$ (17)	12
One Steuart Lane [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method paramount ownership percentage	35.00%
Investments in unconsolidated joint ventures	$ 75,545		77,961
Loss from unconsolidated joint ventures	$ (2,416)	(1,269)
Oder-Center, Germany [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method paramount ownership percentage	9.50%
Investments in unconsolidated joint ventures	$ 3,373		$ 3,107
Loss from unconsolidated joint ventures	$ (32)	$ 12