Organization and Basis of Presentations	3 Months Ended
Mar. 31, 2015
Accounting Policies [Abstract]
Organization and Basis of Presentations	Organization and Basis of Presentations Organization Ramco-Gershenson Properties Trust, together with its subsidiaries (the “Company” or "RPT"), is a real estate investment trust (“REIT”) engaged in the business of owning, developing, redeveloping, acquiring, managing and leasing large multi-anchored shopping centers primarily in a dozen of the largest metropolitan markets in the United States. As of March 31, 2015, our property portfolio consists of 67 wholly owned shopping centers and one office building comprising approximately 14.2 million square feet. In addition, we are co-investor in and manager of two institutional joint ventures that own portfolios of shopping centers. We own 20% of Ramco 450 Venture LLC, an entity that owns eight shopping centers comprising approximately 1.6 million square feet. We own 30% of Ramco/Lion Venture L.P., an entity that owns two shopping centers comprising approximately 0.6 million square feet. We also have ownership interests in two joint ventures that each own a single shopping center. In addition, we own interests in several land parcels that are available for development or sale. Most of our properties are anchored by supermarkets and/or national chain stores. The Company’s credit risk, therefore, is concentrated in the retail industry. Basis of Presentation The accompanying condensed consolidated financial statements include the accounts of the Company and our majority owned subsidiary, the Operating Partnership, Ramco-Gershenson Properties, L.P. (97.2% owned by the Company at March 31, 2015 and December 31, 2014), and all wholly-owned subsidiaries, including entities in which we have a controlling financial interest. We have elected to be a REIT for federal income tax purposes. All intercompany balances and transactions have been eliminated in consolidation. The information furnished is unaudited and reflects all adjustments which are, in the opinion of management, necessary to reflect a fair statement of the results for the interim periods presented, and all such adjustments are of a normal recurring nature. These condensed consolidated financial statements should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2014. The preparation of our unaudited financial statements in conformity with accounting principles generally accepted in the United States of America (“GAAP”) requires management of the Company to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the unaudited financial statements and the reported amounts of revenues and expenses during the reporting period. We base our estimates on historical experience and on various other assumptions that we believe to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities and reported amounts that are not readily apparent from other sources. Actual results could differ from those estimates. Reclassifications Certain reclassifications of prior period amounts, primarily related to intangible assets and liabilities, have been made in the condensed consolidated financial statements in order to conform to the current presentation. Recent Accounting Pronouncements In February 2015, the Financial Accounting Standards Board ("FASB") updated Accounting Standards Codification ("ASC") Topic 810 "Consolidation" with ASU 2015-02, "Amendments to the Consolidation Analysis." ASU 2015-02 affects reporting entities that are required to evaluate whether they should consolidate certain legal entities. ASU 2015-02 modifies the evaluation of whether limited partnerships and similar legal entities are Voting Interest Entities ("VIEs"), eliminates the presumption that a general partner should consolidate a limited partnership and affects the consolidation analysis of reporting entities that are involved with VIEs, particularly those that have fee arrangements and related party relationships. ASU 2015-02 is effective for annual reporting periods (including interim periods within those periods), beginning after December 15, 2015. Early adoption is permitted. We believe the adoption of this guidance will not have a material effect on our consolidated financial statements In May 2014, FASB issued ASU 2014-09 "Revenue from Contract with Customers" as a new Topic, ASC Topic 606. The objective of ASU 2014-09 is to establish a single comprehensive model for entities to use in accounting for revenue arising from contracts with customers and will supersede most of the existing revenue recognition guidance, including industry-specific guidance. The core principle is that a company should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. In applying the new standard, companies will perform a five-step analysis of transactions to determine when and how revenue is recognized. ASU 2014-09 applies to all contracts with customers except those that are within the scope of other topics is the FASB ASC. This ASU is effective for annual reporting periods (including interim periods within those periods) beginning after December 15, 2016 and shall be applied using either a full retrospective or modified retrospective approach. Early adoption is not permitted. We are currently evaluating the guidance and have not determined the impact this standard may have on the consolidated financial statements nor decided upon the method of adoption.

Organization and Basis of Presentations

Organization

Ramco-Gershenson Properties Trust, together with its subsidiaries (the “Company” or "RPT"), is a real estate investment trust (“REIT”) engaged in the business of owning, developing, redeveloping, acquiring, managing and leasing large multi-anchored shopping centers primarily in a dozen of the largest metropolitan markets in the United States. As of March 31, 2015, our property portfolio consists of 67 wholly owned shopping centers and one office building comprising approximately 14.2 million square feet. In addition, we are co-investor in and manager of two institutional joint ventures that own portfolios of shopping centers. We own 20% of Ramco 450 Venture LLC, an entity that owns eight shopping centers comprising approximately 1.6 million square feet. We own 30% of Ramco/Lion Venture L.P., an entity that owns two shopping centers comprising approximately 0.6 million square feet. We also have ownership interests in two joint ventures that each own a single shopping center. In addition, we own interests in several land parcels that are available for development or sale. Most of our properties are anchored by supermarkets and/or national chain stores. The Company’s credit risk, therefore, is concentrated in the retail industry.

Basis of Presentation

The accompanying condensed consolidated financial statements include the accounts of the Company and our majority owned subsidiary, the Operating Partnership, Ramco-Gershenson Properties, L.P. (97.2% owned by the Company at March 31, 2015 and December 31, 2014), and all wholly-owned subsidiaries, including entities in which we have a controlling financial interest. We have elected to be a REIT for federal income tax purposes. All intercompany balances and transactions have been eliminated in consolidation. The information furnished is unaudited and reflects all adjustments which are, in the opinion of management, necessary to reflect a fair statement of the results for the interim periods presented, and all such adjustments are of a normal recurring nature. These condensed consolidated financial statements should be read in conjunction with our Annual Report on Form 10-K for the year ended December 31, 2014.

The preparation of our unaudited financial statements in conformity with accounting principles generally accepted in the United States of America (“GAAP”) requires management of the Company to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the unaudited financial statements and the reported amounts of revenues and expenses during the reporting period. We base our estimates on historical experience and on various other assumptions that we believe to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying values of assets and liabilities and reported amounts that are not readily apparent from other sources. Actual results could differ from those estimates.

Reclassifications

Certain reclassifications of prior period amounts, primarily related to intangible assets and liabilities, have been made in the condensed consolidated financial statements in order to conform to the current presentation.

Recent Accounting Pronouncements

In February 2015, the Financial Accounting Standards Board ("FASB") updated Accounting Standards Codification ("ASC") Topic 810 "Consolidation" with ASU 2015-02, "Amendments to the Consolidation Analysis." ASU 2015-02 affects reporting entities that are required to evaluate whether they should consolidate certain legal entities. ASU 2015-02 modifies the evaluation of whether limited partnerships and similar legal entities are Voting Interest Entities ("VIEs"), eliminates the presumption that a general partner should consolidate a limited partnership and affects the consolidation analysis of reporting entities that are involved with VIEs, particularly those that have fee arrangements and related party relationships. ASU 2015-02 is effective for annual reporting periods (including interim periods within those periods), beginning after December 15, 2015. Early adoption is permitted. We believe the adoption of this guidance will not have a material effect on our consolidated financial statements

In May 2014, FASB issued ASU 2014-09 "Revenue from Contract with Customers" as a new Topic, ASC Topic 606. The objective of ASU 2014-09 is to establish a single comprehensive model for entities to use in accounting for revenue arising from contracts with customers and will supersede most of the existing revenue recognition guidance, including industry-specific guidance. The core principle is that a company should recognize revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the entity expects to be entitled in exchange for those goods or services. In applying the new standard, companies will perform a five-step analysis of transactions to determine when and how revenue is recognized. ASU 2014-09 applies to all contracts with customers except those that are within the scope of other topics is the FASB ASC. This ASU is effective for annual reporting periods (including interim periods within those periods) beginning after December 15, 2016 and shall be applied using either a full retrospective or modified retrospective approach. Early adoption is not permitted. We are currently evaluating the guidance and have not determined the impact this standard may have on the consolidated financial statements nor decided upon the method of adoption.