Variable Interest Entities ("VIEs") - Summary of Assets and Liabilities of Consolidated Variable Interest Entities (Details) - USD ($) $ in Thousands		Dec. 31, 2021		Dec. 31, 2020		Dec. 31, 2019	Dec. 31, 2018
Variable Interest Entity [Line Items]
Real estate, net		$ 6,915,084		$ 6,996,618
Cash and cash equivalents and restricted cash		529,666		465,324		$ 331,487	$ 365,409
Deferred rent receivable		332,735		330,239
Deferred charges, net		122,177		116,278
Intangible assets, net		119,413		153,519
Other assets		40,388		48,976
Total assets		8,494,562	[1]	8,554,097	[1]	$ 8,734,135
Notes and mortgages payable, net		3,835,620		3,800,739
Accounts payable and accrued expenses		116,192		101,901
Intangible liabilities, net		45,328		55,996
Other liabilities		25,495		62,931
Total liabilities	[1]	4,039,530		4,038,363
Variable Interest Entities [Member]
Variable Interest Entity [Line Items]
Real estate, net		3,415,735		3,470,766
Cash and cash equivalents and restricted cash		198,154		134,647
Investments in unconsolidated joint ventures		76,428		67,505
Accounts and other receivables		6,801		6,871
Deferred rent receivable		197,794		192,401
Deferred charges, net		53,013		55,156
Intangible assets, net		62,380		76,545
Other assets		15,551		21,496
Total assets		4,025,856		4,025,387
Notes and mortgages payable, net		2,487,871		2,457,272
Accounts payable and accrued expenses		54,738		51,590
Intangible liabilities, net		27,674		33,566
Other liabilities		6,427		4,486
Total liabilities		$ 2,576,710		$ 2,546,914

[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 91.0% as of December 31, 2021. As of December 31, 2021, the Operating Partnership includes $4,025,856 and $2,576,710 of assets and liabilities, respectively, of certain VIEs that are consolidated by the Operating Partnership. See Note 12, Variable Interest Entities (“VIEs”).