Investments in Unconsolidated Joint Ventures - Summary of Investments and Income from Investments In Unconsolidated Joint Ventures (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Schedule Of Equity Method Investments [Line Items]
Investments in unconsolidated joint ventures	$ 132,239	$ 393,503
Loss from unconsolidated joint ventures	$ (270,298)	(53,251)	$ (24,896)
712 Fifth Avenue [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method paramount ownership percentage	50.00%
Loss from unconsolidated joint ventures			(10,265)
Market Center [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method paramount ownership percentage	67.00%
Investments in unconsolidated joint ventures		192,948
Loss from unconsolidated joint ventures	$ (161,514)	(10,405)	(11,848)
55 Second Street [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method paramount ownership percentage	44.10%
Investments in unconsolidated joint ventures	$ 30,322	85,340
Loss from unconsolidated joint ventures	$ (55,018)	(2,943)	(2,912)
111 Sutter Street [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method paramount ownership percentage	49.00%
Loss from unconsolidated joint ventures		(35,190)	(2,658)
1600 Broadway [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method paramount ownership percentage	9.20%
Investments in unconsolidated joint ventures	$ 8,646	9,113
Loss from unconsolidated joint ventures		(9)
60 Wall Street [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method paramount ownership percentage	5.00%
Investments in unconsolidated joint ventures		25,034
Loss from unconsolidated joint ventures	$ (25,001)	(89)	66
One Steuart Lane [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method paramount ownership percentage	35.00%
Investments in unconsolidated joint ventures	$ 89,949	77,961
Loss from unconsolidated joint ventures	$ (28,727)	(4,696)	2,678
Oder-Center, Germany [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method paramount ownership percentage	9.50%
Investments in unconsolidated joint ventures	$ 3,322	3,107
Loss from unconsolidated joint ventures	$ (38)	$ 81	$ 43