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Information by Business Segment (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2017 | Mar. 31, 2016 | Dec. 31, 2016
Segment financial information for real estate operations |  |  |
Revenues from real estate operations | $ 126,767 | $ 133,087 |
Property operating expenses | (48,519) | (51,875) |
UJV NOI allocable to COPT | 1,298 | 0 |
NOI from real estate operations | 79,546 | 81,212 |
Additions to long-lived assets | 17,040 | 14,401 |
Transfers from non-operating properties | 12,645 | 62,093 |
Segment assets | 3,739,366 | 3,937,908 | $ 3,780,885
Defense/Information Technology Locations |  |  |
Segment financial information for real estate operations |  |  |
Revenues from real estate operations | 100,188 | 101,230 |
Property operating expenses | (37,013) | (38,519) |
UJV NOI allocable to COPT | 1,298 |  |
NOI from real estate operations | 64,473 | 62,711 |
Additions to long-lived assets | 8,190 | 11,485 |
Transfers from non-operating properties | 12,619 | 61,971 |
Segment assets | 2,262,632 | 2,391,207 |
Defense/Information Technology Locations | Fort Meade/BW Corridor |  |  |
Segment financial information for real estate operations |  |  |
Revenues from real estate operations | 60,855 | 62,509 |
Property operating expenses | (20,520) | (23,246) |
UJV NOI allocable to COPT | 0 |  |
NOI from real estate operations | 40,335 | 39,263 |
Additions to long-lived assets | 3,422 | 6,519 |
Transfers from non-operating properties | 13,416 | 35,751 |
Segment assets | 1,258,437 | 1,319,444 |
Defense/Information Technology Locations | Northern Virginia Defense/IT |  |  |
Segment financial information for real estate operations |  |  |
Revenues from real estate operations | 11,707 | 12,116 |
Property operating expenses | (4,452) | (4,541) |
UJV NOI allocable to COPT | 0 |  |
NOI from real estate operations | 7,255 | 7,575 |
Additions to long-lived assets | 2,468 | 3,078 |
Transfers from non-operating properties | 222 | (94) |
Segment assets | 361,449 | 407,199 |
Defense/Information Technology Locations | Lackland Air Force Base |  |  |
Segment financial information for real estate operations |  |  |
Revenues from real estate operations | 11,634 | 10,225 |
Property operating expenses | (6,802) | (5,420) |
UJV NOI allocable to COPT | 0 |  |
NOI from real estate operations | 4,832 | 4,805 |
Additions to long-lived assets | 0 | 0 |
Transfers from non-operating properties | 0 | 6 |
Segment assets | 131,194 | 133,757 |
Defense/Information Technology Locations | Navy Support Locations |  |  |
Segment financial information for real estate operations |  |  |
Revenues from real estate operations | 7,010 | 6,934 |
Property operating expenses | (3,209) | (3,524) |
UJV NOI allocable to COPT | 0 |  |
NOI from real estate operations | 3,801 | 3,410 |
Additions to long-lived assets | 2,168 | 1,270 |
Transfers from non-operating properties | 0 | 0 |
Segment assets | 195,892 | 195,306 |
Defense/Information Technology Locations | Redstone Arsenal |  |  |
Segment financial information for real estate operations |  |  |
Revenues from real estate operations | 3,460 | 3,116 |
Property operating expenses | (1,371) | (978) |
UJV NOI allocable to COPT | 0 |  |
NOI from real estate operations | 2,089 | 2,138 |
Additions to long-lived assets | 132 | 618 |
Transfers from non-operating properties | (4) | 211 |
Segment assets | 109,171 | 107,693 |
Defense/Information Technology Locations | Data Center Shells |  |  |
Segment financial information for real estate operations |  |  |
Revenues from real estate operations | 5,522 | 6,330 |
Property operating expenses | (659) | (810) |
UJV NOI allocable to COPT | 1,298 |  |
NOI from real estate operations | 6,161 | 5,520 |
Additions to long-lived assets | 0 | 0 |
Transfers from non-operating properties | (1,015) | 26,097 |
Segment assets | 206,489 | 227,808 |
Regional Office |  |  |
Segment financial information for real estate operations |  |  |
Revenues from real estate operations | 18,276 | 23,502 |
Property operating expenses | (7,486) | (9,831) |
UJV NOI allocable to COPT | 0 |  |
NOI from real estate operations | 10,790 | 13,671 |
Additions to long-lived assets | 7,120 | 2,759 |
Transfers from non-operating properties | 0 | 82 |
Segment assets | 439,079 | 603,662 |
Operating wholesale data centers |  |  |
Segment financial information for real estate operations |  |  |
Revenues from real estate operations | 6,770 | 6,493 |
Property operating expenses | (3,365) | (2,661) |
UJV NOI allocable to COPT | 0 |  |
NOI from real estate operations | 3,405 | 3,832 |
Additions to long-lived assets | 1,574 | 0 |
Transfers from non-operating properties | 8 | 51 |
Segment assets | 229,630 | 240,484 |
Other Segments |  |  |
Segment financial information for real estate operations |  |  |
Revenues from real estate operations | 1,533 | 1,862 |
Property operating expenses | (655) | (864) |
UJV NOI allocable to COPT | 0 |  |
NOI from real estate operations | 878 | 998 |
Additions to long-lived assets | 156 | 157 |
Transfers from non-operating properties | 18 | (11) |
Segment assets | 21,011 | 70,039 |
Segment assets |  |  |
Segment financial information for real estate operations |  |  |
Segment assets | $ 2,952,352 | $ 3,305,392 |

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- Definition Includes real estate revenues and property operating expenses from continuing and discontinued operations; and the net of revenues and property operating expenses of real estate operations owned through unconsolidated joint ventures allocable to parent. + References No definition available. + Details
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