Investments in Unconsolidated Joint Ventures - Summary of Financial Information of 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]
Total assets	[1]	$ 8,367,979		$ 8,367,979		$ 8,453,254
Total liabilities	[1]	4,019,966		4,019,966		4,042,488
Equity		3,507,480		3,507,480		3,592,291
Total liabilities and equity		8,367,979		8,367,979		8,453,254
Rental revenue		165,506	$ 177,243	347,219	$ 347,165
Other income		2,180	2,300	4,384	4,075
Total revenues		172,662	185,517	361,136	369,202
Operating		71,078	67,814	141,387	134,475
Depreciation and amortization		62,627	57,398	121,515	113,022
Total expenses		149,992	142,077	293,940	280,124
Interest and other income		2,967	796	5,892	1,027
Interest and debt expense		(36,879)	(35,578)	(73,338)	(69,855)
Loss before income taxes		(82,256)	4,397	(73,654)	11,046
Income tax expense		(573)	(359)	(861)	(886)
Net (loss) income attributable to common stockholders		(47,538)	(360)	(45,809)	3,011
Unconsolidated Joint Ventures [Member]
Schedule Of Equity Method Investments [Line Items]
Real estate, net		1,962,354		1,962,354		2,377,084
Cash and cash equivalents and restricted cash		213,591		213,591		252,540
Intangible assets, net		59,545		59,545		69,599
For-sale residential condominium units	[2]	317,818		317,818		322,232
Other assets		87,951		87,951		87,054
Total assets		2,641,259		2,641,259		3,108,509
Notes and mortgages payable, net		1,738,958		1,738,958		1,834,916
Intangible liabilities, net		7,644		7,644		10,972
Other liabilities		56,801		56,801		50,783
Total liabilities		1,803,403		1,803,403		1,896,671
Equity		837,856		837,856		1,211,838
Total liabilities and equity		2,641,259		2,641,259		$ 3,108,509
Rental revenue		40,385	54,516	80,606	112,036
Other income	[3]	3,861	31,444	5,618	50,026
Total revenues		44,246	85,960	86,224	162,062
Operating	[3]	24,990	52,293	49,691	94,801
Depreciation and amortization		17,713	23,508	35,478	50,406
Total expenses		42,703	75,801	85,169	145,207
Interest and other income		783	58	1,492	16
Interest and debt expense		(17,915)	(16,335)	(33,361)	(33,933)
Real estate impairment loss		(455,893)		(455,893)
Loss before income taxes		(471,482)	(6,118)	(486,707)	(17,062)
Income tax expense		(19)	(14)	(30)	(43)
Net (loss) income attributable to common stockholders		$ (471,501)	$ (6,132)	$ (486,737)	$ (17,105)

[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 93.4% as of June 30, 2023. As of June 30, 2023, the assets and liabilities of the Operating Partnership include $4,003,965 and $2,570,004 of assets and liabilities, respectively, of certain VIEs that are consolidated by the Operating Partnership. See Note 12, Variable Interest Entities (“VIEs”).

[2] Represents the cost of residential condominium units at One Steuart Lane that are available for sale.

[3] Includes proceeds and cost of sales from the sale of residential condominium units at One Steuart Lane.