Investments in Unconsolidated Joint Ventures - Summary of Financial Information of Unconsolidated Joint Ventures (Details) - USD ($) $ in Thousands		3 Months Ended		12 Months Ended
		Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Schedule Of Equity Method Investments [Line Items]
Total assets	[1]	$ 8,480,089		$ 8,453,254
Total liabilities	[1]	4,043,009		4,042,488
Equity		3,562,571		3,592,291
Total liabilities and equity		8,480,089		8,453,254
Rental revenue		181,713	$ 169,922
Other income		2,204	1,775
Total revenues		188,474	183,685
Operating		70,309	66,661
Depreciation and amortization		58,888	55,624
Total expenses		143,948	138,047
Interest and other income (loss)		2,925	231
Interest and debt expense		(36,459)	(34,277)
Loss before income taxes		8,602	6,649
Income tax expense		(288)	(527)
Net income attributable to common stockholders		1,729	$ 3,371
Unconsolidated Joint Ventures [Member]
Schedule Of Equity Method Investments [Line Items]
Real estate, net		2,394,692		2,377,084
Cash and cash equivalents and restricted cash		237,588		252,540
Intangible assets, net		64,517		69,599
For-sale residential condominium units	[2]	321,077		322,232
Other assets		80,520		87,054
Total assets		3,098,394		3,108,509
Notes and mortgages payable, net		1,839,321		1,834,916
Intangible liabilities, net		9,299		10,972
Other liabilities		60,496		50,783
Total liabilities		1,909,116		1,896,671
Equity		1,189,278		1,211,838
Total liabilities and equity		3,098,394		3,108,509
Rental revenue		40,221		57,520
Other income	[3]	1,757		18,582
Total revenues		41,978		76,102
Operating	[3]	24,701		42,508
Depreciation and amortization		17,765		26,898
Total expenses		42,466		69,406
Interest and other income (loss)		709		(42)
Interest and debt expense		15,446		17,598
Loss before income taxes		(15,225)		(10,944)
Income tax expense		11		29
Net income attributable to common stockholders		$ (15,236)		$ (10,973)

[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 93.5% as of March 31, 2023. As of March 31, 2023, the assets and liabilities of the Operating Partnership include $4,065,842 and $2,587,614 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.