XML 61 R34.htm IDEA: XBRL DOCUMENT
v2.3.0.15

Real Estate Acquisitions And Discontinued Operations (Real Estate Sold During 2011 And 2010) (Details) (USD $) In Millions, unless otherwise specified | 9 Months Ended
--- | ---
Sep. 30, 2011 | Sep. 30, 2010
Real Estate Properties [Line Items] |  |  |  |
Property Type | Total 2011 |  | Total 2010 |
Rental Square Feet | 3,272,000 |  | 638,000 |
Contract Purchase Price | $ 408.8 |  | $ 73.9 |
Industrial Portfolio [Member] |  |  |  |
Real Estate Properties [Line Items] |  |  |  |
Disposition Date | September 2, 2011 | [1] |  |
Property Type | Industrial/Office | [1] |  |
Rental Square Feet | 3,092,000 | [1] |  |
Contract Purchase Price | 350.0 | [1] |  |
Dulles Station, Phase I [Member] |  |  |  |
Real Estate Properties [Line Items] |  |  |  |
Disposition Date | April 5, 2011 |  |  |
Property Type | Office |  |  |
Rental Square Feet | 180,000 |  |  |
Contract Purchase Price | 58.8 |  |  |
Parklawn Portfolio [Member] |  |  |  |
Real Estate Properties [Line Items] |  |  |  |
Disposition Date |  |  | June 18, 2010 | [2]
Property Type |  |  | Office/Industrial | [2]
Rental Square Feet |  |  | 229,000 | [2]
Contract Purchase Price |  |  | 23.4 | [2]
The Ridges [Member] |  |  |  |
Real Estate Properties [Line Items] |  |  |  |
Disposition Date |  |  | December 21, 2010 |
Property Type | Office |  | Office |
Rental Square Feet |  |  | 104,000 |
Contract Purchase Price |  |  | 27.5 |
Ammendale I&II and Amvax [Member] |  |  |  |
Real Estate Properties [Line Items] |  |  |  |
Disposition Date |  |  | December 22, 2010 |
Property Type |  |  | Industrial |
Rental Square Feet |  |  | 305,000 |
Contract Purchase Price |  |  | $ 23.0 |
[1] | The Industrial Portfolio consists of every property in our industrial segment and two office properties (the Crescent and Albemarle Point). On September 2, 2011 we closed on the sale of industrial properties (8880 Gorman Road, Dulles South IV, Fullerton Business Center, Hampton Overlook, Alban Business Center, Pickett Industrial Park, Northern Virginia Industrial Park I, 270 Technology Park, Fullerton Industrial Center, Sully Square, 9950 Business Parkway, Hampton South and 8900 Telegraph Road) and two office properties (Crescent and Albemarle Point). We closed on the sales of the remaining properties in the Industrial Portfolio subsequent to the end of the 2011 Quarter.
[2] | The Parklawn Portfolio consists of three office properties (Parklawn Plaza, Lexington Building and Saratoga Building) and one industrial property (Charleston Business Center).

X
- Definition The total cost of the acquired entity including the cash paid to shareholders of acquired entities, fair value of debt and equity securities issued to shareholders of acquired entities, the fair value of the liabilities assumed, and direct costs of the acquisition. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 51 -Subparagraph d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_BusinessAcquisitionCostOfAcquiredEntityPurchasePrice
Namespace Prefix: | us-gaap
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The date that the entity disposed of a business or a group of assets. + Details
Name: | us-gaap_DisposalDate
Namespace Prefix: | us-gaap
Data Type: | us-types:dateStringItemType
Balance Type: | na
Period Type: | duration

X
- Definition This description includes the geographical location and the type of property (unimproved land, parking garage, shopping center, garden apartment, retail outlet, multi-tenant commercial), and may include the name of the property (such as ABC Shopping Center). An amount not exceeding five percent of the total carrying amount of all real estate investments may be described as miscellaneous investments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 10 -Section S99 -Paragraph 6 -Subparagraph (SX 210.5-04.(c) Schedule III) -URI http://asc.fasb.org/extlink&oid=6882300&loc=d3e5864-122674 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 970 -SubTopic 360 -Section S99 -Paragraph 1 -Subparagraph (SX 210.12-28) -URI http://asc.fasb.org/extlink&oid=6590653&loc=d3e638233-123024 + Details
Name: | us-gaap_RealEstateAndAccumulatedDepreciationDescriptionOfProperty
Namespace Prefix: | us-gaap
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + Details
Name: | us-gaap_RealEstatePropertiesLineItems
Namespace Prefix: | us-gaap
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of square footage related to a real estate property. + Details
Name: | us-gaap_SquareFootageOfRealEstateProperty
Namespace Prefix: | us-gaap
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration