Organization and Business - Additional Information (Details) ft² in Millions	3 Months Ended
	Mar. 31, 2025 ft² Properties
Real Estate Properties [Line Items]
Number of Real Estate Properties \| Properties	18
Area of office and retail properties	13.8
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	4
Area of office and retail properties	0.8
Variable Interest Entities [Member] \| Paramount Group Operating Partnership [Member]
Real Estate Properties [Line Items]
Percentage of ownership in operating partnership	92.10%