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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		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Schedule Of Equity Method Investments [Line Items]
Investments in unconsolidated joint ventures	$ 398,677		$ 398,677		$ 393,503
Loss from unconsolidated joint ventures	$ (28,402)	$ (4,416)	$ (34,164)	$ (9,529)
712 Fifth Avenue [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method paramount ownership percentage	50.00%		50.00%
Market Center [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method paramount ownership percentage	67.00%		67.00%
Investments in unconsolidated joint ventures	$ 186,233		$ 186,233		192,948
Loss from unconsolidated joint ventures	$ (2,579)	(2,487)	$ (5,234)	(4,850)
55 Second Street [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method paramount ownership percentage	44.10%		44.10%
Investments in unconsolidated joint ventures	$ 84,202		$ 84,202		85,340
Loss from unconsolidated joint ventures	$ (499)	(792)	$ (1,138)	(1,471)
111 Sutter Street [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method paramount ownership percentage	49.00%		49.00%
Loss from unconsolidated joint ventures		(681)		(1,459)
1600 Broadway [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method paramount ownership percentage	9.20%		9.20%
Investments in unconsolidated joint ventures	$ 8,907		$ 8,907		9,113
Loss from unconsolidated joint ventures	$ 3	(20)		(68)
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					25,034
Loss from unconsolidated joint ventures	$ (24,984)	53	$ (25,001)	65
One Steuart Lane [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method paramount ownership percentage	35.00%		35.00%
Investments in unconsolidated joint ventures	$ 115,902		$ 115,902		77,961
Loss from unconsolidated joint ventures	$ (358)	(518)	$ (2,774)	(1,787)
Oder-Center, Germany [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method paramount ownership percentage	9.50%		9.50%
Investments in unconsolidated joint ventures	$ 3,433		$ 3,433		$ 3,107
Loss from unconsolidated joint ventures	$ 15	$ 29	$ (17)	$ 41