XML 64 R35.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Real Estate Joint Ventures (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2016
Equity Method Investments and Joint Ventures [Abstract] |
Schedule of information related to investments in consolidated real estate joint ventures | The table below sets forth information pertaining to our investments in consolidated real estate joint ventures as of December 31, 2016 (dollars in thousands):
|  |  | Nominal |  |  |  |  |  |  |  |
|  |  | Ownership |  |  |  | December 31, 2016 | (1)
| Date |  | % as of |  |  |  | Total |  | Encumbered |  | Total
| Acquired |  | 12/31/2016 |  | Nature of Activity |  | Assets |  | Assets |  | Liabilities
LW Redstone Company, LLC | 3/23/2010 |  | 85% |  | Development and operation of real estate (2) |  | $ | 156,745 |  |  | $ | 79,215 |  |  | $ | 51,207 |
M Square Associates, LLC | 6/26/2007 |  | 50% |  | Development and operation of real estate (3) |  | 68,900 |  |  | 46,563 |  |  | 45,966 |
Stevens Investors, LLC | 8/11/2015 |  | 95% |  | Development of real estate (4) |  | 40,925 |  |  | — |  |  | 6,993 |
|  |  |  |  |  |  | $ | 266,570 |  |  | $ | 125,778 |  |  | $ | 104,166 |
(1) Excludes amounts eliminated in consolidation. (2) This joint venture’s properties are in Huntsville, Alabama. (3) This joint venture’s properties are in College Park, Maryland. (4) This joint venture’s property is in Washington, DC.

X
- Definition Tabular disclosure of information pertaining to investments in consolidated real estate joint ventures. + References No definition available. + Details
Name: | ofc_ConsolidatedRealEstateJointVenturesTableTextBlock
Namespace Prefix: | ofc_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_EquityMethodInvestmentsAndJointVenturesAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration