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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, 2022	Dec. 31, 2021	Dec. 31, 2020	Feb. 24, 2022
Schedule Of Equity Method Investments [Line Items]
Investments in unconsolidated joint ventures	$ 393,503	$ 408,096
Loss from unconsolidated joint ventures	$ (53,251)	(24,896)	$ (18,619)
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)	687
Market Center [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method paramount ownership percentage	67.00%
Investments in unconsolidated joint ventures	$ 192,948	185,344
Loss from unconsolidated joint ventures	$ (10,405)	(11,848)	(11,315)
55 Second Street [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method paramount ownership percentage	44.10%
Investments in unconsolidated joint ventures	$ 85,340	88,284
Loss from unconsolidated joint ventures	$ (2,943)	(2,912)	(2,723)
111 Sutter Street [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method paramount ownership percentage	49.00%
Investments in unconsolidated joint ventures		35,182
Loss from unconsolidated joint ventures	$ (35,190)	(2,658)	(3,172)
1600 Broadway [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method paramount ownership percentage	9.20%			9.20%
Investments in unconsolidated joint ventures	$ 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	19,230
Loss from unconsolidated joint ventures	$ (89)	66	(70)
One Steuart Lane [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method paramount ownership percentage	35.00%
Investments in unconsolidated joint ventures	$ 77,961	76,428
Loss from unconsolidated joint ventures	$ (4,696)	2,678	(2,043)
Oder-Center, Germany [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method paramount ownership percentage	9.50%
Investments in unconsolidated joint ventures	$ 3,107	3,628
Loss from unconsolidated joint ventures	$ 81	$ 43	$ 17