Investments in Unconsolidated Joint Ventures - Summary of Financial Information of Unconsolidated Joint Ventures (Details) - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2022		Dec. 31, 2021		Dec. 31, 2020
Schedule Of Equity Method Investments [Line Items]
Total assets		$ 8,453,254	[1]	$ 8,494,562	[1]	$ 8,554,097
Total liabilities	[1]	4,042,488		4,039,530
Equity		3,592,291		3,588,163
Total liabilities and equity		8,453,254		8,494,562
Rental revenue		702,819		690,418		679,015
Other income		9,137		7,895		7,152
Total revenues		740,377		726,786		714,237
Operating		277,422		265,438		267,587
Depreciation and amortization		232,517		232,487		235,200
Total expenses		569,896		557,973		568,800
Interest and other income, net		5,174		3,017		4,490
Interest and debt expense		(143,864)		(142,014)		(144,208)
Loss before income taxes		(24,932)		5,702		(12,628)
Income tax expense		(3,265)		(3,643)		(1,493)
Net loss attributable to common stockholders		(36,403)		(20,354)		(24,704)
Unconsolidated Joint Ventures [Member]
Schedule Of Equity Method Investments [Line Items]
Real estate, net		2,377,084		2,246,152
Cash and cash equivalents and restricted cash		252,540		216,910
Intangible assets, net		69,599		58,590
For-sale residential condominium units	[2]	322,232		359,638
Other assets		87,054		46,646
Total assets		3,108,509		2,927,936
Notes and mortgages payable, net		1,834,916		1,791,404
Intangible liabilities, net		10,972		18,397
Other liabilities		50,783		61,097
Total liabilities		1,896,671		1,870,898
Equity		1,211,838		1,057,038
Total liabilities and equity		3,108,509		2,927,936
Rental revenue		194,031		229,420		243,713
Other income		65,850	[3]	139,705	[3]	2,828
Total revenues		259,881		369,125		246,541
Operating		152,313	[3]	220,396	[3]	109,114
Depreciation and amortization		85,949		107,079		117,640
Total expenses		238,262		327,475		226,754
Interest and other income, net		991		(111)		(36)
Interest and debt expense		(62,173)		(63,493)		(58,239)
Real estate impairment loss	[4]	(64,663)
Loss before income taxes		(104,226)		(21,954)		(38,488)
Income tax expense		(60)		(32)		(47)
Net loss attributable to common stockholders		$ (104,286)		$ (21,986)		$ (38,535)

[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 93.7% as of December 31, 2022. As of December 31, 2022, the assets and liabilities of the Operating Partnership include $4,013,461 and $2,579,381 of assets and liabilities, respectively, of certain VIEs that are consolidated by the Operating Partnership. See Note 13, 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.

[4] Represents a real estate impairment loss on 111 Sutter Street, of which our share is $31,685.