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Description of Business and Organization (Details) ft² in Millions | 6 Months Ended
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Jun. 30, 2023 ft² parcel property_unit office_property multifamily_property $ / shares
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items] |
Area of real estate property (in square feet) | 9.4
Empire state realty OP | Empire state realty trust |
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items] |
OP units owned by the company (as a percent) | 59.40%
ESRT | Common Class A |
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items] |
Par value (in dollars per share) | $ / shares | $ 0.01
Office Building |
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items] |
Area of real estate property (in square feet) | 8.6
Number of offices and properties | office_property | 11
Office Building | Manhattan |
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items] |
Area of real estate property (in square feet) | 7.6
Number of offices and properties | office_property | 9
Office Building | Fairfield County, Connecticut |
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items] |
Area of real estate property (in square feet) | 1.1
Number of offices and properties | office_property | 2
Development Parcel |
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items] |
Number of offices and properties | parcel | 3
Office Building And Multifamily | Manhattan |
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items] |
Area of real estate property (in square feet) | 0.5
Other Property | Stamford, Connecticut |
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items] |
Area of real estate property (in square feet) | 0.4
Retail Site | Manhattan |
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items] |
Area of real estate property (in square feet) | 0.2
Number of offices and properties | office_property | 4
Multifamily | Manhattan |
Organization, Consolidation and Presentation of Financial Statements Disclosure [Line Items] |
Number of offices and properties | multifamily_property | 3
Number of property units | property_unit | 721

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