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Organization of the Parent Company and The Operating Partnership | 3 Months Ended
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Mar. 31, 2017
Organization Consolidation And Presentation Of Financial Statements [Abstract] |
ORGANIZATION OF THE PARENT COMPANY AND THE OPERATING PARTNERSHIP | 1. ORGANIZATION OF THE PARENT COMPANY AND THE OPERATING PARTNERSHIP The Parent Company is a self-administered and self-managed real estate investment trust (“REIT”) that provides leasing, property management, development, redevelopment, acquisition and other tenant-related services for a portfolio of office, residential, retail and mixed-use properties. The Parent Company owns its assets and conducts its operations through the Operating Partnership and subsidiaries of the Operating Partnership. The Parent Company is the sole general partner of the Operating Partnership and, as of March 31, 2017, owned a 99.2% interest in the Operating Partnership. The Parent Company’s common shares of beneficial interest are publicly traded on the New York Stock Exchange under the ticker symbol “BDN”. As of March 31, 2017, the Company owned 104 properties that contain an aggregate of approximately 16.5 million net rentable square feet and consist of 90 office properties, six mixed-use properties, one retail property (97 properties, collectively the “Core Properties”), three development properties, three redevelopment properties and one property classified as held for sale (collectively, the “Properties”). In addition, as of March 31, 2017, the Company owned economic interests in 13 unconsolidated real estate ventures (collectively, the “Real Estate Ventures”), seven of which own properties that contain an aggregate of approximately 8.0 million net rentable square feet of office space; two of which own 4.3 acres of undeveloped parcels of land; two of which own 1.4 acres of land under active development and two of which own residential towers that contain 345 and 321 apartment units, respectively. As of March 31, 2017, the Company also owned 312 acres of undeveloped land and held options to purchase approximately 60 additional acres of undeveloped land. As of March 31, 2017, the total potential development that these land parcels could support, including the parcels under option, under current zoning and entitlements, amounted to an estimated 12.2 million square feet. The Properties and the properties owned by the Real Estate Ventures are located in or near Philadelphia, Pennsylvania; Metropolitan Washington, D.C.; Southern New Jersey; Richmond, Virginia; Wilmington, Delaware and Austin, Texas. In addition to managing properties owned by the Company, as of March 31, 2017, the Company was managing approximately 10.2 million net rentable square feet of office and industrial properties for third parties and Real Estate Ventures. The Company conducts its third-party real estate management services business primarily through wholly-owned management company subsidiaries. As of March 31, 2017, the management company subsidiaries were managing properties containing an aggregate of approximately 26.7 million net rentable square feet, of which approximately 16.5 million net rentable square feet related to Properties owned by the Company and approximately 10.2 million net rentable square feet related to properties owned by third parties and Real Estate Ventures. Unless otherwise indicated, all references in this Form 10-Q to square feet represent net rentable area.

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- Definition The entire disclosure for the nature of an entity's business, major products or services, principal markets including location, and the relative importance of its operations in each business and the basis for the determination, including but not limited to, assets, revenues, or earnings. For an entity that has not commenced principal operations, disclosures about the risks and uncertainties related to the activities in which the entity is currently engaged and an understanding of what those activities are being directed toward. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6003-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 2A -URI http://asc.fasb.org/extlink&oid=64851502&loc=SL51803626-108592 + Details
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