Business And Organization	12 Months Ended
Dec. 31, 2018
Organization Consolidation And Presentation Of Financial Statements [Abstract]
Business And Organization	Note 1. Business and Organization Cedar Realty Trust, Inc. (the "Company") is a real estate investment trust ("REIT") that focuses primarily on ownership, operation and redevelopment of grocery-anchored shopping centers in high-density urban markets from Washington, D.C. to Boston. At December 31, 2018, the Company owned and managed a portfolio of 58 operating properties (excluding properties “held for sale”). Cedar Realty Trust Partnership, L.P. (the "Operating Partnership") is the entity through which the Company conducts substantially all of its business and owns (either directly or through subsidiaries) substantially all of its assets. At December 31, 2018, the Company owned a 99.4% economic interest in, and was the sole general partner of, the Operating Partnership. The limited partners’ interest in the Operating Partnership (0.6% at December 31, 2018) is represented by partnership units in the Operating Partnership (“OP Units”). The carrying amount of such interest is adjusted at the end of each reporting period to an amount equal to the limited partners’ ownership percentage of the Operating Partnership’s net equity. The 553,000 OP Units are economically equivalent to the Company’s common stock and are redeemable at the option of the holder. Such redemptions are payable in cash or in shares of the Company’s common stock, one a one-to-one basis, at the option of the Company. As used herein, the "Company" refers to Cedar Realty Trust, Inc. and its subsidiaries on a consolidated basis, including the Operating Partnership or, where the context so requires, Cedar Realty Trust, Inc. only.

Business And Organization

12 Months Ended

Dec. 31, 2018

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Note 1. Business and Organization

Cedar Realty Trust, Inc. (the "Company") is a real estate investment trust ("REIT") that focuses primarily on ownership, operation and redevelopment of grocery-anchored shopping centers in high-density urban markets from Washington, D.C. to Boston. At December 31, 2018, the Company owned and managed a portfolio of 58 operating properties (excluding properties “held for sale”).

Cedar Realty Trust Partnership, L.P. (the "Operating Partnership") is the entity through which the Company conducts substantially all of its business and owns (either directly or through subsidiaries) substantially all of its assets. At December 31, 2018, the Company owned a 99.4% economic interest in, and was the sole general partner of, the Operating Partnership. The limited partners’ interest in the Operating Partnership (0.6% at December 31, 2018) is represented by partnership units in the Operating Partnership (“OP Units”). The carrying amount of such interest is adjusted at the end of each reporting period to an amount equal to the limited partners’ ownership percentage of the Operating Partnership’s net equity. The 553,000 OP Units are economically equivalent to the Company’s common stock and are redeemable at the option of the holder. Such redemptions are payable in cash or in shares of the Company’s common stock, one a one-to-one basis, at the option of the Company.

As used herein, the "Company" refers to Cedar Realty Trust, Inc. and its subsidiaries on a consolidated basis, including the Operating Partnership or, where the context so requires, Cedar Realty Trust, Inc. only.