Organization and Business - Additional Information (Details) ft² in Millions	9 Months Ended
	Sep. 30, 2022 ft² Properties
Real Estate Properties [Line Items]
Area of office and retail properties	14.0
New York [Member]
Real Estate Properties [Line Items]
Number of Real Estate Properties | Properties	8
Area of office and retail properties	8.7
New York [Member] | Office Space [Member]
Real Estate Properties [Line Items]
Area of office and retail properties	8.2
New York [Member] | Retail, Theater and Amenity Space [Member]
Real Estate Properties [Line Items]
Area of office and retail properties	0.5
San Francisco [Member]
Real Estate Properties [Line Items]
Number of Real Estate Properties | Properties	6
Area of office and retail properties	4.3
San Francisco [Member] | Office Space [Member]
Real Estate Properties [Line Items]
Area of office and retail properties	4.1
San Francisco [Member] | Retail Space [Member]
Real Estate Properties [Line Items]
Area of office and retail properties	0.2
New York And Washington, D.C [Member]
Real Estate Properties [Line Items]
Number of real estate properties managed | Properties	5
Area of office and retail properties	1.0
Variable Interest Entities [Member] | Paramount Group Operating Partnership [Member]
Real Estate Properties [Line Items]
Percentage of ownership in operating partnership	93.40%