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Information by Business Segment - Segment Financial Information for Our Reportable Segments (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | $ 187,343 | $ 169,196 | $ 380,609 | $ 336,697 |
UJV NOI allocable to COPT Defense | 1,735 | 1,671 | 3,475 | 3,313 |
Segment assets | 4,219,338 | 4,246,346 | 4,219,338 | 4,246,346 | $ 4,246,966
Segment assets |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Segment assets | 3,617,919 | 3,599,786 | 3,617,919 | 3,599,786 |
Real Estate Operations |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 167,085 | 154,953 | 333,748 | 306,634 |
Property operating expenses | (63,410) | (61,600) | (130,156) | (121,020) |
UJV NOI allocable to COPT Defense | 1,735 | 1,671 | 3,475 | 3,313 |
NOI from real estate operations | 105,410 | 95,024 | 207,067 | 188,927 |
Additions to long-lived assets | 25,583 | 38,807 | 62,474 | 64,044 |
Transfers from non-operating properties | 4,240 | 10,780 | 42,785 | 37,193 |
Real Estate Operations | Defense/IT Portfolio |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 149,620 | 136,995 | 299,016 | 270,237 |
Property operating expenses | (53,809) | (50,831) | (110,010) | (99,641) |
UJV NOI allocable to COPT Defense | 1,735 | 1,671 | 3,475 | 3,313 |
NOI from real estate operations | 97,546 | 87,835 | 192,481 | 173,909 |
Additions to long-lived assets | 19,917 | 34,091 | 52,018 | 56,039 |
Transfers from non-operating properties | 2,506 | 10,766 | 41,042 | 37,166 |
Real Estate Operations | Defense/IT Portfolio | Fort Meade/BW Corridor |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 77,715 | 72,176 | 155,783 | 141,953 |
Property operating expenses | (24,637) | (24,188) | (52,527) | (48,708) |
UJV NOI allocable to COPT Defense | 0 | 0 | 0 | 0 |
NOI from real estate operations | 53,078 | 47,988 | 103,256 | 93,245 |
Additions to long-lived assets | 7,720 | 23,646 | 34,060 | 35,781 |
Transfers from non-operating properties | 665 | 4,628 | 2,240 | 10,409 |
Real Estate Operations | Defense/IT Portfolio | NoVA Defense/IT |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 20,601 | 19,841 | 42,027 | 39,670 |
Property operating expenses | (8,930) | (7,683) | (18,192) | (15,255) |
UJV NOI allocable to COPT Defense | 0 | 0 | 0 | 0 |
NOI from real estate operations | 11,671 | 12,158 | 23,835 | 24,415 |
Additions to long-lived assets | 9,914 | 7,957 | 14,405 | 10,355 |
Transfers from non-operating properties | 2 | 249 | 995 | 487 |
Real Estate Operations | Defense/IT Portfolio | Lackland Air Force Base |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 16,447 | 17,595 | 32,858 | 33,200 |
Property operating expenses | (8,797) | (9,951) | (17,485) | (17,896) |
UJV NOI allocable to COPT Defense | 0 | 0 | 0 | 0 |
NOI from real estate operations | 7,650 | 7,644 | 15,373 | 15,304 |
Additions to long-lived assets | 0 | 0 | 0 | 62 |
Transfers from non-operating properties | 0 | 17 | 9 | 45 |
Real Estate Operations | Defense/IT Portfolio | Navy Support |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 8,240 | 8,118 | 16,466 | 16,043 |
Property operating expenses | (3,633) | (3,516) | (7,259) | (7,059) |
UJV NOI allocable to COPT Defense | 0 | 0 | 0 | 0 |
NOI from real estate operations | 4,607 | 4,602 | 9,207 | 8,984 |
Additions to long-lived assets | 1,931 | 309 | 2,529 | 1,068 |
Transfers from non-operating properties | 40 | 0 | 40 | 2,650 |
Real Estate Operations | Defense/IT Portfolio | Redstone Arsenal |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 17,017 | 12,978 | 33,825 | 26,392 |
Property operating expenses | (5,721) | (4,750) | (11,513) | (9,386) |
UJV NOI allocable to COPT Defense | 0 | 0 | 0 | 0 |
NOI from real estate operations | 11,296 | 8,228 | 22,312 | 17,006 |
Additions to long-lived assets | 352 | 2,179 | 1,024 | 8,773 |
Transfers from non-operating properties | 1,389 | 3,935 | 34,273 | 18,327 |
Real Estate Operations | Defense/IT Portfolio | Data Center Shells |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 9,600 | 6,287 | 18,057 | 12,979 |
Property operating expenses | (2,091) | (743) | (3,034) | (1,337) |
UJV NOI allocable to COPT Defense | 1,735 | 1,671 | 3,475 | 3,313 |
NOI from real estate operations | 9,244 | 7,215 | 18,498 | 14,955 |
Additions to long-lived assets | 0 | 0 | 0 | 0 |
Transfers from non-operating properties | 410 | 1,937 | 3,485 | 5,248 |
Real Estate Operations | Other |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 17,465 | 17,958 | 34,732 | 36,397 |
Property operating expenses | (9,601) | (10,769) | (20,146) | (21,379) |
UJV NOI allocable to COPT Defense | 0 | 0 | 0 | 0 |
NOI from real estate operations | 7,864 | 7,189 | 14,586 | 15,018 |
Additions to long-lived assets | 5,666 | 4,716 | 10,456 | 8,005 |
Transfers from non-operating properties | 1,734 | 14 | 1,743 | 27 |
Real Estate Operations | Segment assets |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Segment assets | 3,617,919 | 3,599,786 | 3,617,919 | 3,599,786 |
Real Estate Operations | Segment assets | Defense/IT Portfolio |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Segment assets | 3,302,518 | 3,053,068 | 3,302,518 | 3,053,068 |
Real Estate Operations | Segment assets | Defense/IT Portfolio | Fort Meade/BW Corridor |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Segment assets | 1,449,787 | 1,403,113 | 1,449,787 | 1,403,113 |
Real Estate Operations | Segment assets | Defense/IT Portfolio | NoVA Defense/IT |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Segment assets | 493,281 | 489,404 | 493,281 | 489,404 |
Real Estate Operations | Segment assets | Defense/IT Portfolio | Lackland Air Force Base |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Segment assets | 185,595 | 191,742 | 185,595 | 191,742 |
Real Estate Operations | Segment assets | Defense/IT Portfolio | Navy Support |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Segment assets | 160,195 | 166,310 | 160,195 | 166,310 |
Real Estate Operations | Segment assets | Defense/IT Portfolio | Redstone Arsenal |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Segment assets | 580,886 | 477,334 | 580,886 | 477,334 |
Real Estate Operations | Segment assets | Defense/IT Portfolio | Data Center Shells |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Segment assets | 432,774 | 325,165 | 432,774 | 325,165 |
Real Estate Operations | Segment assets | Other |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Segment assets | $ 315,401 | $ 546,718 | $ 315,401 | $ 546,718 |

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