Investments in Unconsolidated Joint Ventures - Summary of Financial Information of Unconsolidated Joint Ventures (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Schedule Of Equity Method Investments [Line Items]
Total assets	[1]	$ 8,498,582		$ 8,494,562
Total liabilities	[1]	4,035,559		4,039,530
Equity		3,598,001		3,588,163
Total liabilities and equity		8,498,582		8,494,562
Rental revenue		169,922	$ 173,146
Other income		1,775	1,350
Total revenues		183,685	181,166
Operating		66,661	66,618
Depreciation and amortization		55,624	58,305
Total expenses		138,047	139,568
Interest and other loss		231	1,302
Interest and debt expense		(34,277)	(34,739)
Net loss before income taxes		6,649	3,025
Income tax expense		(527)	(1,141)
Net income (loss) attributable to common stockholders		3,371	(3,578)
Unconsolidated Joint Ventures [Member]
Schedule Of Equity Method Investments [Line Items]
Real estate, net		2,387,526		2,246,152
Cash and cash equivalents and restricted cash		224,149		216,910
Intangible assets, net		85,553		58,590
For-sale residential condominium units		346,054		359,638
Other assets		66,040		46,646
Total assets		3,109,322		2,927,936
Notes and mortgages payable, net		1,870,635		1,791,404
Intangible liabilities, net		16,358		18,397
Other liabilities		61,459		61,097
Total liabilities		1,948,452		1,870,898
Equity		1,160,870		1,057,038
Total liabilities and equity		3,109,322		$ 2,927,936
Rental revenue		57,520	56,528
Other income		18,582	757
Total revenues		76,102	57,285
Operating		42,508	25,110
Depreciation and amortization		26,898	27,453
Total expenses		69,406	52,563
Interest and other loss		(42)	(33)
Interest and debt expense		(17,598)	(13,740)
Net loss before income taxes		(10,944)	(9,051)
Income tax expense		(29)	(16)
Net income (loss) attributable to common stockholders		$ (10,973)	$ (9,067)

[1] Represents the consolidated assets and liabilities of Paramount Group Operating Partnership LP, a Delaware limited partnership (the “Operating Partnership”). The Operating Partnership is a consolidated variable interest entity (“VIE”), of which we are the sole general partner and own approximately 90.8% as of March 31, 2022. As of March 31, 2022, the assets and liabilities of the Operating Partnership include $3,987,609 and $2,575,355 of assets and liabilities, respectively, of certain VIEs that are consolidated by the Operating Partnership. See Note 11, Variable Interest Entities (“VIEs”).