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Information by Business Segment (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016 | Dec. 31, 2016
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | $ 128,297 | $ 133,924 | $ 255,064 | $ 267,011 |
Property operating expenses | (48,628) | (48,141) | (97,147) | (100,016) |
UJV NOI allocable to COPT | 1,294 | 0 | 2,592 | 0 |
NOI from real estate operations | 80,963 | 85,783 | 160,509 | 166,995 |
Additions to long-lived assets | 15,155 | 15,022 | 32,195 | 29,423 |
Transfers from non-operating properties | 46,742 | 58,348 | 59,387 | 120,441 |
Segment assets | 3,574,887 | 3,841,692 | 3,574,887 | 3,841,692 | $ 3,780,885
Defense/Information Technology Locations |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 102,281 | 102,097 | 202,469 | 203,327 |
Property operating expenses | (37,571) | (35,990) | (74,584) | (74,509) |
UJV NOI allocable to COPT | 1,294 |  | 2,592 |  |
NOI from real estate operations | 66,004 | 66,107 | 130,477 | 128,818 |
Additions to long-lived assets | 9,161 | 12,689 | 17,351 | 24,174 |
Transfers from non-operating properties | 46,767 | 58,804 | 59,386 | 120,775 |
Defense/Information Technology Locations | Fort Meade/BW Corridor |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 61,284 | 60,912 | 122,139 | 123,421 |
Property operating expenses | (20,129) | (20,378) | (40,649) | (43,624) |
UJV NOI allocable to COPT | 0 |  | 0 |  |
NOI from real estate operations | 41,155 | 40,534 | 81,490 | 79,797 |
Additions to long-lived assets | 5,853 | 7,096 | 9,275 | 13,615 |
Transfers from non-operating properties | 18,159 | 768 | 31,575 | 36,519 |
Defense/Information Technology Locations | Northern Virginia Defense/IT |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 11,095 | 12,057 | 22,802 | 24,173 |
Property operating expenses | (4,219) | (4,307) | (8,671) | (8,848) |
UJV NOI allocable to COPT | 0 |  | 0 |  |
NOI from real estate operations | 6,876 | 7,750 | 14,131 | 15,325 |
Additions to long-lived assets | 977 | 3,059 | 3,445 | 6,137 |
Transfers from non-operating properties | 218 | 27,944 | 440 | 27,850 |
Defense/Information Technology Locations | Lackland Air Force Base |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 13,029 | 11,651 | 24,663 | 21,876 |
Property operating expenses | (8,130) | (6,844) | (14,932) | (12,264) |
UJV NOI allocable to COPT | 0 |  | 0 |  |
NOI from real estate operations | 4,899 | 4,807 | 9,731 | 9,612 |
Additions to long-lived assets | 16 | 0 | 16 | 0 |
Transfers from non-operating properties | 0 | 231 | 0 | 237 |
Defense/Information Technology Locations | Navy Support Locations |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 7,449 | 6,998 | 14,459 | 13,932 |
Property operating expenses | (3,025) | (2,675) | (6,234) | (6,199) |
UJV NOI allocable to COPT | 0 |  | 0 |  |
NOI from real estate operations | 4,424 | 4,323 | 8,225 | 7,733 |
Additions to long-lived assets | 2,231 | 2,233 | 4,399 | 3,503 |
Transfers from non-operating properties | 466 | 0 | 466 | 0 |
Defense/Information Technology Locations | Redstone Arsenal |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 3,624 | 3,191 | 7,084 | 6,307 |
Property operating expenses | (1,491) | (960) | (2,862) | (1,938) |
UJV NOI allocable to COPT | 0 |  | 0 |  |
NOI from real estate operations | 2,133 | 2,231 | 4,222 | 4,369 |
Additions to long-lived assets | 84 | 301 | 216 | 919 |
Transfers from non-operating properties | 1,709 | 4 | 1,705 | 215 |
Defense/Information Technology Locations | Data Center Shells |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 5,800 | 7,288 | 11,322 | 13,618 |
Property operating expenses | (577) | (826) | (1,236) | (1,636) |
UJV NOI allocable to COPT | 1,294 |  | 2,592 |  |
NOI from real estate operations | 6,517 | 6,462 | 12,678 | 11,982 |
Additions to long-lived assets | 0 | 0 | 0 | 0 |
Transfers from non-operating properties | 26,215 | 29,857 | 25,200 | 55,954 |
Regional Office |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 17,462 | 23,283 | 35,738 | 46,785 |
Property operating expenses | (7,082) | (8,721) | (14,568) | (18,552) |
UJV NOI allocable to COPT | 0 |  | 0 |  |
NOI from real estate operations | 10,380 | 14,562 | 21,170 | 28,233 |
Additions to long-lived assets | 4,018 | 2,180 | 11,138 | 4,939 |
Transfers from non-operating properties | (25) | 26 | (25) | 108 |
Operating wholesale data centers |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 7,033 | 6,804 | 13,803 | 13,297 |
Property operating expenses | (3,501) | (2,651) | (6,866) | (5,312) |
UJV NOI allocable to COPT | 0 |  | 0 |  |
NOI from real estate operations | 3,532 | 4,153 | 6,937 | 7,985 |
Additions to long-lived assets | 2,005 | 0 | 3,579 | 0 |
Transfers from non-operating properties | 0 | (482) | 8 | (431) |
Other Segments |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 1,521 | 1,740 | 3,054 | 3,602 |
Property operating expenses | (474) | (779) | (1,129) | (1,643) |
UJV NOI allocable to COPT | 0 |  | 0 |  |
NOI from real estate operations | 1,047 | 961 | 1,925 | 1,959 |
Additions to long-lived assets | (29) | 153 | 127 | 310 |
Transfers from non-operating properties | 0 | 0 | 18 | (11) |
Segment assets |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Segment assets | 2,975,661 | 3,289,117 | 2,975,661 | 3,289,117 |
Segment assets | Defense/Information Technology Locations |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Segment assets | 2,291,688 | 2,421,850 | 2,291,688 | 2,421,850 |
Segment assets | Defense/Information Technology Locations | Fort Meade/BW Corridor |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Segment assets | 1,267,635 | 1,305,769 | 1,267,635 | 1,305,769 |
Segment assets | Defense/Information Technology Locations | Northern Virginia Defense/IT |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Segment assets | 357,747 | 424,441 | 357,747 | 424,441 |
Segment assets | Defense/Information Technology Locations | Lackland Air Force Base |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Segment assets | 130,431 | 133,359 | 130,431 | 133,359 |
Segment assets | Defense/Information Technology Locations | Navy Support Locations |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Segment assets | 195,732 | 195,195 | 195,732 | 195,195 |
Segment assets | Defense/Information Technology Locations | Redstone Arsenal |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Segment assets | 109,586 | 106,810 | 109,586 | 106,810 |
Segment assets | Defense/Information Technology Locations | Data Center Shells |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Segment assets | 230,557 | 256,276 | 230,557 | 256,276 |
Segment assets | Regional Office |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Segment assets | 435,399 | 594,750 | 435,399 | 594,750 |
Segment assets | Operating wholesale data centers |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Segment assets | 229,224 | 237,226 | 229,224 | 237,226 |
Segment assets | Other Segments |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Segment assets | $ 19,350 | $ 35,291 | $ 19,350 | $ 35,291 |

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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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- Definition Amount of acquisition of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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