Investments in Unconsolidated Joint Ventures - Summary of Financial Information of Unconsolidated Joint Ventures (Details) - USD ($) $ in Thousands		3 Months Ended			9 Months Ended
		Sep. 30, 2024	Sep. 30, 2023		Sep. 30, 2024	Sep. 30, 2023		Dec. 31, 2023
Schedule Of Equity Method Investments [Line Items]
Deferred rent receivable		$ 355,555			$ 355,555			$ 351,209
Total assets	[1]	7,890,952			7,890,952			8,006,215
Accounts payable and accrued expenses		114,808			114,808			114,463
Total liabilities	[1]	3,839,546			3,839,546			3,991,327
Equity		3,173,867			3,173,867			3,203,285
Total liabilities and equity		7,890,952			7,890,952			8,006,215
Rental revenue		184,235	$ 182,515		543,636	$ 529,734
Other income		3,888	2,093		10,220	6,477
Total revenues		194,899	189,181		571,184	550,317
Operating		80,316	75,502		226,248	216,889
Depreciation and amortization		60,071	60,263		182,920	181,778
Total expenses		157,301	151,357		459,949	445,297
Interest and other income		3,517	4,115		26,830	10,007
Interest and debt expense		(43,805)	(39,102)		(124,078)	(112,440)
(Loss) income before income taxes		(3,584)	(24,798)		10,996	(98,452)
Income tax expense		(619)	(263)		(1,328)	(1,124)
Net loss attributable to common stockholders		(9,688)	(8,385)		(7,642)	(54,194)
Unconsolidated Joint Ventures [Member]
Schedule Of Equity Method Investments [Line Items]
Real estate, net		1,606,587			1,606,587			1,528,595
Cash and cash equivalents and restricted cash		157,328			157,328			167,355
Intangible assets, net		43,829			43,829			52,164
For-sale residential condominium units	[2]	235,366			235,366			246,824
Deferred rent receivable		40,215			40,215			35,448
Other assets		43,852			43,852			48,731
Total assets		2,127,177			2,127,177			2,079,117
Notes and mortgages payable, net		1,770,748			1,770,748			1,744,706
Accounts payable and accrued expenses		61,749			61,749			92,770
Intangible liabilities, net		1,940			1,940			5,026
Other liabilities		74,602			74,602			5,692
Total liabilities		1,909,039			1,909,039			1,848,194
Equity		218,138			218,138			230,923
Total liabilities and equity		2,127,177			2,127,177			$ 2,079,117
Rental revenue		35,374	38,629		106,557	119,235
Other income	[3]	2,188	874		20,432	6,492
Total revenues		37,562	39,503		126,989	125,727
Operating	[3]	23,985	92,348	[4]	80,345	142,039	[4]
Depreciation and amortization		12,464	16,863		38,232	52,341
Total expenses		36,449	109,211		118,577	194,380
Interest and other income		1,855	734		4,351	2,226
Interest and debt expense		(14,782)	(19,895)		(44,729)	(53,256)
Gain on settlement of interest rate swap		2,498			2,498
Real estate impairment loss	[5]					(455,893)
(Loss) income before income taxes		(9,316)	(88,869)		(29,468)	(575,576)
Income tax expense		(1)	(2)		(26)	(32)
Net loss attributable to common stockholders		$ (9,317)	$ (88,871)		$ (29,494)	$ (575,608)

[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 91.6% as of September 30, 2024. As of September 30, 2024, the assets and liabilities of the Operating Partnership include $3,847,438 and $2,397,092 of assets and liabilities, respectively, of certain VIEs that are consolidated by the Operating Partnership. See Note 12, Variable Interest Entities (“VIEs”).

[2] Represents 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.

[4] Includes $68,407 of impairment losses related to condominium units at One Steuart Lane, of which RDF’s share was $23,942. See note 5 on page 13.

[5] Represents real estate impairment loss related to 60 Wall Street, of which our share was $24,734. See note 3 on page 13.