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Information by Business Segment (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Dec. 31, 2019
Segment financial information for real estate operations |  |  |
Revenues from real estate operations | $ 145,797 | $ 148,940 |
Property operating expenses | (49,999) | (49,445) |
UJV NOI allocable to COPT | 1,713 | 1,219 |
Segment assets | 4,054,457 | 3,775,859 | $ 3,854,453
Real estate operations |  |  |
Segment financial information for real estate operations |  |  |
Revenues from real estate operations | 132,116 | 131,990 |
Property operating expenses | (49,999) | (49,445) |
UJV NOI allocable to COPT | 1,713 | 1,219 |
NOI from real estate operations | 83,830 | 83,764 |
Additions to long-lived assets | 16,594 | 14,854 |
Transfers from non-operating properties | 58,177 | 39,475 |
Defense/Information Technology Locations | Real estate operations |  |  |
Segment financial information for real estate operations |  |  |
Revenues from real estate operations | 108,786 | 108,523 |
Property operating expenses | (38,991) | (38,882) |
UJV NOI allocable to COPT | 1,713 | 1,219 |
NOI from real estate operations | 71,508 | 70,860 |
Additions to long-lived assets | 12,294 | 10,699 |
Transfers from non-operating properties | 58,177 | 39,475 |
Defense/Information Technology Locations | Fort Meade/BW Corridor | Real estate operations |  |  |
Segment financial information for real estate operations |  |  |
Revenues from real estate operations | 64,438 | 62,683 |
Property operating expenses | (21,222) | (22,335) |
UJV NOI allocable to COPT | 0 | 0 |
NOI from real estate operations | 43,216 | 40,348 |
Additions to long-lived assets | 7,675 | 3,935 |
Transfers from non-operating properties | 538 | 5,040 |
Defense/Information Technology Locations | Northern Virginia Defense/IT | Real estate operations |  |  |
Segment financial information for real estate operations |  |  |
Revenues from real estate operations | 13,678 | 14,831 |
Property operating expenses | (5,185) | (5,292) |
UJV NOI allocable to COPT | 0 | 0 |
NOI from real estate operations | 8,493 | 9,539 |
Additions to long-lived assets | 2,691 | 1,447 |
Transfers from non-operating properties | 256 | 4,509 |
Defense/Information Technology Locations | Lackland Air Force Base | Real estate operations |  |  |
Segment financial information for real estate operations |  |  |
Revenues from real estate operations | 12,076 | 11,561 |
Property operating expenses | (6,795) | (5,959) |
UJV NOI allocable to COPT | 0 | 0 |
NOI from real estate operations | 5,281 | 5,602 |
Additions to long-lived assets | 0 | 0 |
Transfers from non-operating properties | 15 | 6,503 |
Defense/Information Technology Locations | Navy Support Locations | Real estate operations |  |  |
Segment financial information for real estate operations |  |  |
Revenues from real estate operations | 8,341 | 8,155 |
Property operating expenses | (3,285) | (3,404) |
UJV NOI allocable to COPT | 0 | 0 |
NOI from real estate operations | 5,056 | 4,751 |
Additions to long-lived assets | 1,758 | 5,017 |
Transfers from non-operating properties | 0 | 0 |
Defense/Information Technology Locations | Redstone Arsenal | Real estate operations |  |  |
Segment financial information for real estate operations |  |  |
Revenues from real estate operations | 4,676 | 3,939 |
Property operating expenses | (1,847) | (1,539) |
UJV NOI allocable to COPT | 0 | 0 |
NOI from real estate operations | 2,829 | 2,400 |
Additions to long-lived assets | 170 | 300 |
Transfers from non-operating properties | 1,136 | 3,635 |
Defense/Information Technology Locations | Data Center Shells | Real estate operations |  |  |
Segment financial information for real estate operations |  |  |
Revenues from real estate operations | 5,577 | 7,354 |
Property operating expenses | (657) | (353) |
UJV NOI allocable to COPT | 1,713 | 1,219 |
NOI from real estate operations | 6,633 | 8,220 |
Additions to long-lived assets | 0 | 0 |
Transfers from non-operating properties | 56,232 | 19,788 |
Regional Office | Real estate operations |  |  |
Segment financial information for real estate operations |  |  |
Revenues from real estate operations | 15,460 | 14,833 |
Property operating expenses | (7,537) | (7,416) |
UJV NOI allocable to COPT | 0 | 0 |
NOI from real estate operations | 7,923 | 7,417 |
Additions to long-lived assets | 3,357 | 3,989 |
Transfers from non-operating properties | 0 | 0 |
Operating wholesale data center | Real estate operations |  |  |
Segment financial information for real estate operations |  |  |
Revenues from real estate operations | 7,172 | 7,871 |
Property operating expenses | (3,233) | (2,838) |
UJV NOI allocable to COPT | 0 | 0 |
NOI from real estate operations | 3,939 | 5,033 |
Additions to long-lived assets | 878 | 156 |
Transfers from non-operating properties | 0 | 0 |
Other | Real estate operations |  |  |
Segment financial information for real estate operations |  |  |
Revenues from real estate operations | 698 | 763 |
Property operating expenses | (238) | (309) |
UJV NOI allocable to COPT | 0 | 0 |
NOI from real estate operations | 460 | 454 |
Additions to long-lived assets | 65 | 10 |
Transfers from non-operating properties | 0 | 0 |
Segment assets |  |  |
Segment financial information for real estate operations |  |  |
Segment assets | 3,066,945 | 3,108,153 |
Segment assets | Real estate operations |  |  |
Segment financial information for real estate operations |  |  |
Segment assets | 3,066,945 | 3,108,153 |
Segment assets | Defense/Information Technology Locations | Real estate operations |  |  |
Segment financial information for real estate operations |  |  |
Segment assets | 2,472,025 | 2,496,255 |
Segment assets | Defense/Information Technology Locations | Fort Meade/BW Corridor | Real estate operations |  |  |
Segment financial information for real estate operations |  |  |
Segment assets | 1,275,601 | 1,279,983 |
Segment assets | Defense/Information Technology Locations | Northern Virginia Defense/IT | Real estate operations |  |  |
Segment financial information for real estate operations |  |  |
Segment assets | 395,108 | 400,741 |
Segment assets | Defense/Information Technology Locations | Lackland Air Force Base | Real estate operations |  |  |
Segment financial information for real estate operations |  |  |
Segment assets | 145,363 | 145,697 |
Segment assets | Defense/Information Technology Locations | Navy Support Locations | Real estate operations |  |  |
Segment financial information for real estate operations |  |  |
Segment assets | 183,054 | 189,192 |
Segment assets | Defense/Information Technology Locations | Redstone Arsenal | Real estate operations |  |  |
Segment financial information for real estate operations |  |  |
Segment assets | 138,797 | 110,195 |
Segment assets | Defense/Information Technology Locations | Data Center Shells | Real estate operations |  |  |
Segment financial information for real estate operations |  |  |
Segment assets | 334,102 | 370,447 |
Segment assets | Regional Office | Real estate operations |  |  |
Segment financial information for real estate operations |  |  |
Segment assets | 390,352 | 394,001 |
Segment assets | Operating wholesale data center | Real estate operations |  |  |
Segment financial information for real estate operations |  |  |
Segment assets | 200,891 | 213,993 |
Segment assets | Other | Real estate operations |  |  |
Segment financial information for real estate operations |  |  |
Segment assets | $ 3,677 | $ 3,904 |

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