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Description of Business and Organization
6 Months Ended
Jun. 30, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Description of Business and Organization Description of Business and Organization
    As used in these condensed consolidated financial statements, unless the context otherwise requires, “we,” “us,” “our,” the “company,” and "ESRT" mean Empire State Realty Trust, Inc. and its consolidated subsidiaries.
    We are a New York City focused real estate investment trust ("REIT") that owns and manages a well-positioned property portfolio of office, retail and multifamily assets in Manhattan and the greater New York metropolitan area. As the owner of the Empire State Building, the World’s Most Famous Building, we also own and operate our iconic, newly reimagined Observatory Experience.

    As of June 30, 2022, our total portfolio contained 9.9 million rentable square feet of office, retail and multifamily space. We owned 13 office properties (including three long-term ground leasehold interests) encompassing approximately 9.2 million rentable square feet of office space. Nine of these properties are located in the midtown Manhattan market and aggregate approximately 7.6 million rentable square feet of office space, including the Empire State Building. Our Manhattan office properties also contain an aggregate of approximately 0.5 million rentable square feet of retail space on their ground floor and/or contiguous levels. Our remaining four office properties are located in Fairfield County, Connecticut and Westchester County, New York, encompassing in the aggregate approximately 1.6 million rentable square feet. The majority of square footage for these four properties is located in densely populated metropolitan communities with immediate access to mass transportation. Additionally, we have entitled land at the Stamford Transportation Center in Stamford, Connecticut, adjacent to one of our office properties, that will support the development of an approximately 0.4 million rentable square foot office building and garage. As of June 30, 2022, our portfolio included four standalone retail properties located in Manhattan and two standalone retail properties located in the city center of Westport, Connecticut, encompassing approximately 0.2 million rentable square feet in the aggregate. Additionally, at June 30, 2022, our portfolio included two multifamily properties totaling 625 units.
     We were organized as a Maryland corporation on July 29, 2011 and commenced operations upon completion of our initial public offering and related formation transactions on October 7, 2013. Our operating partnership, Empire State Realty OP, L.P. (the "Operating Partnership"), holds substantially all of our assets and conducts substantially all of our business. As of June 30, 2022, we owned approximately 59.5% of the aggregate operating partnership units in the Operating Partnership. We, as the sole general partner in the Operating Partnership, have responsibility and discretion in the management and control of the Operating Partnership, and the limited partners in the Operating Partnership, in such capacity, have no authority to transact business for, or participate in the management activities of, the Operating Partnership. Accordingly, the Operating Partnership has been consolidated by us. We elected to be taxed as a REIT and operate in a manner that we believe allows us to qualify as a REIT for federal income tax purposes commencing with our taxable year ended December 31, 2013.