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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		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Feb. 24, 2022	Dec. 31, 2021
Schedule Of Equity Method Investments [Line Items]
Investments in unconsolidated joint ventures	$ 428,785		$ 428,785			$ 408,096
(Loss) income from unconsolidated joint ventures	$ (5,797)	$ 223	$ (15,326)	$ (20,810)
712 Fifth Avenue [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method paramount ownership percentage	50.00%		50.00%
(Loss) income from unconsolidated joint ventures		431		(10,697)
Market Center [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method paramount ownership percentage	67.00%		67.00%
Investments in unconsolidated joint ventures	$ 197,050		$ 197,050			185,344
(Loss) income from unconsolidated joint ventures	$ (2,811)	(2,228)	$ (7,661)	(9,272)
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	$ 85,988		$ 85,988			88,284
(Loss) income from unconsolidated joint ventures	$ (825)	(702)	$ (2,296)	(2,171)
111 Sutter Street [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method paramount ownership percentage	49.00%		49.00%
Investments in unconsolidated joint ventures	$ 33,012		$ 33,012			35,182
(Loss) income from unconsolidated joint ventures	$ (748)	(685)	$ (2,207)	(1,874)
1600 Broadway [Member]
Schedule Of Equity Method Investments [Line Items]
Equity method paramount ownership percentage	9.20%		9.20%		9.20%
Investments in unconsolidated joint ventures	$ 9,369		$ 9,369
(Loss) income from unconsolidated joint ventures	$ 30		$ (38)
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	$ 20,630		$ 20,630			19,230
(Loss) income from unconsolidated joint ventures	$ (23)	18	$ 42	52
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	$ 79,355		$ 79,355			76,428
(Loss) income from unconsolidated joint ventures	$ (1,516)	3,363	$ (3,303)	3,138
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	$ 3,381		$ 3,381			$ 3,628
(Loss) income from unconsolidated joint ventures	$ 96	$ 26	$ 137	$ 14