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Information by Business Segment (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018 | Dec. 31, 2018
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | $ 159,431 | $ 137,411 | $ 483,441 | $ 439,630 |
Property operating expenses | (49,714) | (49,340) | (147,045) | (149,737) |
UJV NOI allocable to COPT | 1,601 | 1,206 | 4,071 | 3,607 |
Segment assets | 3,855,369 | 3,650,366 | 3,855,369 | 3,650,366 | $ 3,656,005
Real estate operations |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 130,734 | 128,988 | 395,495 | 386,428 |
Property operating expenses | (49,714) | (49,340) | (147,045) | (149,737) |
UJV NOI allocable to COPT | 1,601 | 1,206 | 4,071 | 3,607 |
NOI from real estate operations | 82,621 | 80,854 | 252,521 | 240,298 |
Additions to long-lived assets | 22,560 | 21,259 | 53,079 | 52,322 |
Transfers from non-operating properties | 16,242 | 46,685 | 157,328 | 101,003 |
Defense/Information Technology Locations | Real estate operations |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 107,957 | 104,932 | 324,932 | 314,279 |
Property operating expenses | (38,673) | (37,148) | (113,885) | (113,852) |
UJV NOI allocable to COPT | 1,601 | 1,206 | 4,071 | 3,607 |
NOI from real estate operations | 70,885 | 68,990 | 215,118 | 204,034 |
Additions to long-lived assets | 16,141 | 15,307 | 37,506 | 36,693 |
Transfers from non-operating properties | 17,254 | 46,530 | 158,340 | 98,703 |
Defense/Information Technology Locations | Fort Meade/BW Corridor | Real estate operations |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 63,436 | 61,396 | 187,778 | 186,171 |
Property operating expenses | (20,743) | (19,847) | (62,422) | (61,550) |
UJV NOI allocable to COPT | 0 | 0 | 0 | 0 |
NOI from real estate operations | 42,693 | 41,549 | 125,356 | 124,621 |
Additions to long-lived assets | 10,770 | 11,211 | 22,204 | 26,483 |
Transfers from non-operating properties | 1,381 | 14,698 | 7,759 | 34,919 |
Defense/Information Technology Locations | Northern Virginia Defense/IT | Real estate operations |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 13,551 | 13,960 | 42,294 | 39,639 |
Property operating expenses | (4,965) | (5,518) | (14,951) | (15,150) |
UJV NOI allocable to COPT | 0 | 0 | 0 | 0 |
NOI from real estate operations | 8,586 | 8,442 | 27,343 | 24,489 |
Additions to long-lived assets | 2,922 | 2,305 | 6,072 | 5,431 |
Transfers from non-operating properties | 118 | 1,550 | 4,647 | 2,243 |
Defense/Information Technology Locations | Lackland Air Force Base | Real estate operations |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 12,703 | 11,254 | 36,368 | 35,079 |
Property operating expenses | (7,149) | (6,432) | (19,756) | (20,524) |
UJV NOI allocable to COPT | 0 | 0 | 0 | 0 |
NOI from real estate operations | 5,554 | 4,822 | 16,612 | 14,555 |
Additions to long-lived assets | 0 | 0 | 0 | 0 |
Transfers from non-operating properties | 2,120 | 0 | 10,456 | 0 |
Defense/Information Technology Locations | Navy Support Locations | Real estate operations |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 8,183 | 7,899 | 24,523 | 23,896 |
Property operating expenses | (3,581) | (3,208) | (10,271) | (9,943) |
UJV NOI allocable to COPT | 0 | 0 | 0 | 0 |
NOI from real estate operations | 4,602 | 4,691 | 14,252 | 13,953 |
Additions to long-lived assets | 2,003 | 1,758 | 7,948 | 4,316 |
Transfers from non-operating properties | 0 | (17) | 0 | (17) |
Defense/Information Technology Locations | Redstone Arsenal | Real estate operations |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 4,171 | 3,734 | 12,078 | 11,019 |
Property operating expenses | (1,717) | (1,569) | (4,855) | (4,518) |
UJV NOI allocable to COPT | 0 | 0 | 0 | 0 |
NOI from real estate operations | 2,454 | 2,165 | 7,223 | 6,501 |
Additions to long-lived assets | 446 | 33 | 1,282 | 463 |
Transfers from non-operating properties | 4,152 | 13 | 13,363 | 483 |
Defense/Information Technology Locations | Data Center Shells | Real estate operations |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 5,913 | 6,689 | 21,891 | 18,475 |
Property operating expenses | (518) | (574) | (1,630) | (2,167) |
UJV NOI allocable to COPT | 1,601 | 1,206 | 4,071 | 3,607 |
NOI from real estate operations | 6,996 | 7,321 | 24,332 | 19,915 |
Additions to long-lived assets | 0 | 0 | 0 | 0 |
Transfers from non-operating properties | 9,483 | 30,286 | 122,115 | 61,075 |
Regional Office | Real estate operations |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 15,508 | 15,272 | 45,359 | 45,852 |
Property operating expenses | (7,343) | (7,425) | (22,349) | (22,472) |
UJV NOI allocable to COPT | 0 | 0 | 0 | 0 |
NOI from real estate operations | 8,165 | 7,847 | 23,010 | 23,380 |
Additions to long-lived assets | 6,339 | 5,670 | 15,198 | 14,915 |
Transfers from non-operating properties | 0 | 0 | 0 | 0 |
Operating wholesale data center | Real estate operations |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 6,565 | 7,781 | 22,996 | 23,963 |
Property operating expenses | (3,374) | (3,965) | (9,830) | (12,373) |
UJV NOI allocable to COPT | 0 | 0 | 0 | 0 |
NOI from real estate operations | 3,191 | 3,816 | 13,166 | 11,590 |
Additions to long-lived assets | 61 | 370 | 312 | 487 |
Transfers from non-operating properties | (1,012) | 155 | (1,012) | 2,300 |
Other | Real estate operations |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 704 | 1,003 | 2,208 | 2,334 |
Property operating expenses | (324) | (802) | (981) | (1,040) |
UJV NOI allocable to COPT | 0 | 0 | 0 | 0 |
NOI from real estate operations | 380 | 201 | 1,227 | 1,294 |
Additions to long-lived assets | 19 | (88) | 63 | 227 |
Transfers from non-operating properties | 0 | 0 | 0 | 0 |
Segment assets |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Segment assets | 3,024,072 | 3,074,986 | 3,024,072 | 3,074,986 |
Segment assets | Real estate operations |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Segment assets | 3,024,072 | 3,074,986 | 3,024,072 | 3,074,986 |
Segment assets | Defense/Information Technology Locations | Real estate operations |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Segment assets | 2,421,067 | 2,455,324 | 2,421,067 | 2,455,324 |
Segment assets | Defense/Information Technology Locations | Fort Meade/BW Corridor | Real estate operations |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Segment assets | 1,271,668 | 1,280,837 | 1,271,668 | 1,280,837 |
Segment assets | Defense/Information Technology Locations | Northern Virginia Defense/IT | Real estate operations |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Segment assets | 398,137 | 394,066 | 398,137 | 394,066 |
Segment assets | Defense/Information Technology Locations | Lackland Air Force Base | Real estate operations |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Segment assets | 147,505 | 126,047 | 147,505 | 126,047 |
Segment assets | Defense/Information Technology Locations | Navy Support Locations | Real estate operations |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Segment assets | 186,243 | 189,406 | 186,243 | 189,406 |
Segment assets | Defense/Information Technology Locations | Redstone Arsenal | Real estate operations |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Segment assets | 118,839 | 105,315 | 118,839 | 105,315 |
Segment assets | Defense/Information Technology Locations | Data Center Shells | Real estate operations |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Segment assets | 298,675 | 359,653 | 298,675 | 359,653 |
Segment assets | Regional Office | Real estate operations |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Segment assets | 393,747 | 396,624 | 393,747 | 396,624 |
Segment assets | Operating wholesale data center | Real estate operations |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Segment assets | 205,550 | 219,041 | 205,550 | 219,041 |
Segment assets | Other | Real estate operations |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Segment assets | $ 3,708 | $ 3,997 | $ 3,708 | $ 3,997 |

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