2.2.0.7 false Organization and Description of Business 10101 - Disclosure - Organization and Description of Business true false false false 1 USD false false Unit1 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 Unit12 Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 Unit13 Standard http://www.xbrl.org/2003/instance shares xbrli 0 $ 2 Organization and Description of Business 0 bmr_OrganizationAndDescriptionOfBusinessAbstract bmr false na duration Organization and Description of Business [Abstract] false false false false false true false false false false false false 1 false false false false 0 0 false false false xbrli:stringItemType string Organization and Description of Business [Abstract] false 3 Organization and Description of Business 1 us-gaap_NatureOfOperations us-gaap true na duration No definition available. false false false false false false false false false false false terselabel false 1 false false false false 0 0 <div> 1. Organization and Description of Business   BioMed Realty Trust, Inc., a Maryland corporation (the "Company"), was incorporated in Maryland on April 30, 2004. On August 11, 2004, the Company commenced operations after completing its initial public offering. The Company operates as a fully integrated, self-administered and self-managed real estate investment trust ("REIT") focused on acquiring, developing, owning, leasing and managing laboratory and office space for the life science industry principally through its subsidiary, BioMed Realty, L.P., a Maryland limited partnership (the "Operating Partnership"). The Company's tenants primarily include biotechnology and pharmaceutical companies, scientific research institutions, government agencies and other entities involved in the life science industry. The Company's properties are generally located in markets with well-established reputations as centers for scientific research, including Boston, San Diego, San Francisco, Seattle, Maryland, Pennsylvania and New York/New Jersey. </div> 1. Organization and Description of Business   BioMed Realty Trust, Inc., a Maryland corporation (the "Company"), was incorporated in Maryland on April false false false us-types:textBlockItemType textblock Describes the nature of an entity's business, the major products or services it sells or provides and its principal markets, including the locations of those markets. If the entity operates in more than one business, the disclosure also indicates the relative importance of its operations in each business and the basis for the determination (for example, assets, revenues, or earnings). Disclosures about the nature of operations need not be quantified; relative importance could be conveyed by use of terms such as "predominately", "about equally", or "major and other". This element is also referred to as "Business Description". Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 94-6 -Paragraph 10 false 1 2 false UnKnown UnKnown UnKnown false true