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, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Schedule Of Equity Method Investments [Line Items]
Total assets	[1]	$ 8,496,480		$ 8,496,480		$ 8,494,562
Total liabilities	[1]	4,073,287		4,073,287		4,039,530
Equity		3,674,363		3,674,363		3,588,163
Total liabilities and equity		8,496,480		8,496,480		8,494,562
Rental revenue		179,250	$ 170,851	526,415	$ 518,625
Other income		2,765	1,719	6,840	4,509
Total revenues		187,147	179,131	556,349	542,566
Operating		72,845	67,131	207,320	197,821
Depreciation and amortization		58,284	57,522	171,306	175,752
Total expenses		144,384	137,997	424,508	420,115
Interest and other income (loss)		1,580	138	2,607	2,510
Interest and debt expense		(36,949)	(36,266)	(106,804)	(105,919)
(Loss) income before income taxes		1,897	5,505	12,943	(1,164)
Income tax expense		(673)	(873)	(1,559)	(2,448)
Net (loss) income attributable to common stockholders		(1,537)	(2,055)	1,474	(21,576)
Unconsolidated Joint Ventures [Member]
Schedule Of Equity Method Investments [Line Items]
Real estate, net		2,410,055		2,410,055		2,246,152
Cash and cash equivalents and restricted cash		214,815		214,815		216,910
Equity Method Investment Summarized Financial Information Intangible Assets Net		74,927		74,927		58,590
For-sale residential condominium units	[2]	322,696		322,696		359,638
Other assets		85,360		85,360		46,646
Total assets		3,107,853		3,107,853		2,927,936
Equity Method Investment Summarized Financial Information Mortgage And Notes Payable		1,833,023		1,833,023		1,791,404
Equity Method Investment Summarized Financial Information Intangible Liabilities Net		12,700		12,700		18,397
Other liabilities		58,134		58,134		61,097
Total liabilities		1,903,857		1,903,857		1,870,898
Equity		1,203,996		1,203,996		1,057,038
Total liabilities and equity		3,107,853		3,107,853		$ 2,927,936
Rental revenue		41,145	57,998	153,181	171,721
Other income	[3]	15,250	92,360	65,276	93,698
Total revenues		56,395	150,358	218,457	265,419
Operating	[3]	34,234	102,949	129,035	153,526
Depreciation and amortization		17,734	26,432	68,140	80,899
Total expenses		51,968	129,381	197,175	234,425
Interest and other income (loss)		471	(27)	487	(83)
Interest and debt expense		(13,967)	(17,503)	(47,900)	(45,135)
(Loss) income before income taxes		(9,069)	3,447	(26,131)	(14,224)
Income tax expense		(11)	(17)	(54)	(32)
Net (loss) income attributable to common stockholders		$ (9,080)	$ 3,430	$ (26,185)	$ (14,256)

[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 September 30, 2022. As of September 30, 2022, the assets and liabilities of the Operating Partnership include $3,940,253 and $2,585,416 of assets and liabilities, respectively, of certain VIEs that are consolidated by the Operating Partnership. See Note 11, 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.