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Description of Business and Organization	3 Months Ended
Description of Business and Organization	Mar. 31, 2023
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," and the "company,” mean Empire State Realty OP, L.P. and its consolidated subsidiaries. Empire State Realty OP, L.P. (the "Operating Partnership") is the entity through which Empire State Realty Trust, Inc. (“ESRT”), a self-administered and self-managed real estate investment trust ("REIT"), conducts all of its business and owns (either directly or through subsidiaries) substantially all of its assets. We own, manage, operate, acquire and reposition 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, ESRT also owns and operates its iconic, newly reimagined Observatory Experience. As of March 31, 2023, our office and retail portfolio contained 9.6 million rentable square feet of office and retail space. We owned 12 office properties (including three long-term ground leasehold interests) encompassing approximately 8.9 million rentable square feet of office space. Nine of these properties are located in the midtown Manhattan market and encompass in the aggregate approximately 7.6 million rentable square feet of office space, including the Empire State Building. Our Manhattan office and multifamily 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 three office properties are located in Fairfield County, Connecticut and Westchester County, New York, encompassing in the aggregate approximately 1.3 million rentable square feet. The majority of square footage for these three 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 March 31, 2023, our portfolio included four standalone retail properties located in Manhattan encompassing approximately 0.2 million rentable square feet in the aggregate. Additionally, as of March 31, 2023, our portfolio included three multifamily properties located in Manhattan totaling 721 units. We were organized as a Delaware limited partnership on November 28, 2011 and operations commenced upon completion of the initial public offering of ESRT’s Class A common stock and related formation transactions on October 7, 2013. ESRT's Class A common stock, par value $0.01 per share, is listed on the New York Stock Exchange under the symbol "ESRT." ESRT, as the sole general partner in our company, has responsibility and discretion in the management and control of our company, and our limited partners, in such capacity, have no authority to transact business for, or participate in the management activities, of our company. As of March 31, 2023, ESRT owned approximately 59.3% of our operating partnership units.