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Information by Business Segment (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2016 | Sep. 30, 2015 | Sep. 30, 2016 | Sep. 30, 2015 | Dec. 31, 2015
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | $ 130,954 | $ 133,686 | $ 397,965 | $ 384,591 |
Property operating expenses | 49,952 | 48,897 | 149,968 | 145,990 |
UJV NOI allocable to COPT | 1,008 | 0 | 1,008 | 0 |
NOI from real estate operations | 82,010 | 84,789 | 249,005 | 238,601 |
Additions to long-lived assets | 22,232 | 141,037 | 51,655 | 307,723 |
Transfers from non-operating properties | 34,291 | 142,210 | 154,732 | 304,106 |
Segment assets | 3,634,194 | 3,912,092 | 3,634,194 | 3,912,092 | $ 3,909,312
Defense/Information Technology Locations |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 101,819 | 98,905 | 305,146 | 292,718 |
Property operating expenses | 37,673 | 34,516 | 112,182 | 108,293 |
UJV NOI allocable to COPT | 1,008 | 0 | 1,008 | 0 |
NOI from real estate operations | 65,154 | 64,389 | 193,972 | 184,425 |
Additions to long-lived assets | 17,903 | 11,805 | 42,077 | 108,744 |
Transfers from non-operating properties | 34,255 | 62,586 | 155,030 | 192,366 |
Segment assets | 2,307,245 | 2,340,559 | 2,307,245 | 2,340,559 |
Defense/Information Technology Locations | Fort Meade/BW Corridor |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 61,460 | 61,400 | 184,881 | 182,591 |
Property operating expenses | 20,598 | 20,106 | 64,222 | 63,102 |
UJV NOI allocable to COPT | 0 | 0 | 0 | 0 |
NOI from real estate operations | 40,862 | 41,294 | 120,659 | 119,489 |
Additions to long-lived assets | 5,901 | 7,943 | 19,516 | 16,529 |
Transfers from non-operating properties | 5,331 | 25,184 | 41,850 | 44,212 |
Segment assets | 1,261,337 | 1,284,712 | 1,261,337 | 1,284,712 |
Defense/Information Technology Locations | Northern Virginia Defense/IT |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 12,231 | 12,875 | 36,404 | 37,383 |
Property operating expenses | 4,462 | 5,150 | 13,310 | 16,120 |
UJV NOI allocable to COPT | 0 | 0 | 0 | 0 |
NOI from real estate operations | 7,769 | 7,725 | 23,094 | 21,263 |
Additions to long-lived assets | 7,153 | 1,603 | 13,290 | 86,303 |
Transfers from non-operating properties | 308 | (91) | 28,158 | 51,117 |
Segment assets | 416,886 | 413,321 | 416,886 | 413,321 |
Defense/Information Technology Locations | Lackland Air Force Base |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 12,532 | 9,018 | 34,408 | 27,426 |
Property operating expenses | 7,599 | 4,553 | 19,863 | 14,665 |
UJV NOI allocable to COPT | 0 | 0 | 0 | 0 |
NOI from real estate operations | 4,933 | 4,465 | 14,545 | 12,761 |
Additions to long-lived assets | 0 | 0 | 0 | 0 |
Transfers from non-operating properties | 3 | 591 | 240 | 32,150 |
Segment assets | 132,722 | 134,790 | 132,722 | 134,790 |
Defense/Information Technology Locations | Navy Support Locations |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 7,232 | 6,886 | 21,164 | 21,337 |
Property operating expenses | 3,374 | 3,287 | 9,573 | 10,075 |
UJV NOI allocable to COPT | 0 | 0 | 0 | 0 |
NOI from real estate operations | 3,858 | 3,599 | 11,591 | 11,262 |
Additions to long-lived assets | 2,207 | 2,084 | 5,710 | 5,446 |
Transfers from non-operating properties | 0 | 1,408 | 0 | 1,408 |
Segment assets | 195,244 | 196,105 | 195,244 | 196,105 |
Defense/Information Technology Locations | Redstone Arsenal |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 3,189 | 3,061 | 9,496 | 8,165 |
Property operating expenses | 1,112 | 888 | 3,050 | 2,605 |
UJV NOI allocable to COPT | 0 | 0 | 0 | 0 |
NOI from real estate operations | 2,077 | 2,173 | 6,446 | 5,560 |
Additions to long-lived assets | 2,642 | 175 | 3,561 | 466 |
Transfers from non-operating properties | 3,100 | 1,207 | 3,315 | 13,184 |
Segment assets | 111,310 | 108,541 | 111,310 | 108,541 |
Defense/Information Technology Locations | Data Center Shells |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 5,175 | 5,665 | 18,793 | 15,816 |
Property operating expenses | 528 | 532 | 2,164 | 1,726 |
UJV NOI allocable to COPT | 1,008 | 0 | 1,008 | 0 |
NOI from real estate operations | 5,655 | 5,133 | 17,637 | 14,090 |
Additions to long-lived assets | 0 | 0 | 0 | 0 |
Transfers from non-operating properties | 25,513 | 34,287 | 81,467 | 50,295 |
Segment assets | 189,746 | 203,090 | 189,746 | 203,090 |
Regional Office |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 20,499 | 26,782 | 67,284 | 73,142 |
Property operating expenses | 8,155 | 9,596 | 26,707 | 26,750 |
UJV NOI allocable to COPT | 0 | 0 | 0 | 0 |
NOI from real estate operations | 12,344 | 17,186 | 40,577 | 46,392 |
Additions to long-lived assets | 4,168 | 129,259 | 9,107 | 198,589 |
Transfers from non-operating properties | (4) | 5,505 | 104 | 22,230 |
Segment assets | 453,766 | 695,490 | 453,766 | 695,490 |
Operating wholesale data centers |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 6,809 | 6,078 | 20,106 | 12,933 |
Property operating expenses | 3,317 | 4,008 | 8,629 | 8,441 |
UJV NOI allocable to COPT | 0 | 0 | 0 | 0 |
NOI from real estate operations | 3,492 | 2,070 | 11,477 | 4,492 |
Additions to long-lived assets | 108 | 0 | 108 | 108 |
Transfers from non-operating properties | 40 | 73,804 | (391) | 89,183 |
Segment assets | 234,551 | 246,806 | 234,551 | 246,806 |
Other Segments |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 1,827 | 1,921 | 5,429 | 5,798 |
Property operating expenses | 807 | 777 | 2,450 | 2,506 |
UJV NOI allocable to COPT | 0 | 0 | 0 | 0 |
NOI from real estate operations | 1,020 | 1,144 | 2,979 | 3,292 |
Additions to long-lived assets | 53 | (27) | 363 | 282 |
Transfers from non-operating properties | 0 | 315 | (11) | 327 |
Segment assets | 31,563 | 71,907 | 31,563 | 71,907 |
Segment assets |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Segment assets | $ 3,027,125 | $ 3,354,762 | $ 3,027,125 | $ 3,354,762 |

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