Segments - Schedule of Total Assets for Each Reportable Segments Information (Details) - USD ($) $ in Thousands		Sep. 30, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Total assets	[1]	$ 8,545,585	$ 8,554,097
New York [Member]
Segment Reporting Information [Line Items]
Total assets		5,375,688	5,388,596
San Francisco [Member]
Segment Reporting Information [Line Items]
Total assets		2,712,559	2,698,983
Other [Member]
Segment Reporting Information [Line Items]
Total assets		$ 457,338	$ 466,518

[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 90.9% as of September 30, 2021. As of September 30, 2021, the Operating Partnership includes $4,070,290 and $2,581,637 of assets and liabilities, respectively, of certain VIEs that are consolidated by the Operating Partnership. See Note 12, Variable Interest Entities (“VIEs”).