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v3.20.4

Information by Business Segment (Segment Financial Information for Our Reportable Segments) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Segment financial information for real estate operations |  |  |
Revenues from real estate operations | $ 609,365 | $ 641,226 | $ 578,112
Property operating expenses | (203,840) | (198,143) | (201,035)
UJV NOI allocable to COPT | 6,951 | 5,705 | 4,818
Segment assets | 4,077,023 | 3,854,453 |
Segment assets |  |  |
Segment financial information for real estate operations |  |  |
Segment assets | 3,388,978 | 3,024,958 |
Real estate operations |  |  |
Segment financial information for real estate operations |  |  |
Revenues from real estate operations | 538,725 | 527,463 | 517,253
Property operating expenses | (203,840) | (198,143) | (201,035)
UJV NOI allocable to COPT | 6,951 | 5,705 | 4,818
NOI from real estate operations | 341,836 | 335,025 | 321,036
Additions to long-lived assets | 81,479 | 76,350 | 74,742
Transfers from non-operating properties | 476,362 | 226,001 | 166,143
Real estate operations | Defense/Information Technology Locations |  |  |
Segment financial information for real estate operations |  |  |
Revenues from real estate operations | 447,519 | 435,486 | 421,053
Property operating expenses | (159,377) | (153,803) | (153,004)
UJV NOI allocable to COPT | 6,951 | 5,705 | 4,818
NOI from real estate operations | 295,093 | 287,388 | 272,867
Additions to long-lived assets | 52,924 | 54,404 | 53,676
Transfers from non-operating properties | 393,271 | 227,013 | 163,839
Real estate operations | Defense/Information Technology Locations | Fort Meade/BW Corridor |  |  |
Segment financial information for real estate operations |  |  |
Revenues from real estate operations | 254,197 | 252,781 | 248,927
Property operating expenses | (85,032) | (82,815) | (82,975)
UJV NOI allocable to COPT | 0 | 0 | 0
NOI from real estate operations | 169,165 | 169,966 | 165,952
Additions to long-lived assets | 31,295 | 34,618 | 38,612
Transfers from non-operating properties | 21,859 | 18,606 | 35,648
Real estate operations | Defense/Information Technology Locations | Northern Virginia Defense/IT |  |  |
Segment financial information for real estate operations |  |  |
Revenues from real estate operations | 57,817 | 55,742 | 53,518
Property operating expenses | (21,321) | (19,779) | (20,330)
UJV NOI allocable to COPT | 0 | 0 | 0
NOI from real estate operations | 36,496 | 35,963 | 33,188
Additions to long-lived assets | 11,620 | 9,326 | 7,956
Transfers from non-operating properties | 2,557 | 4,548 | 10,231
Real estate operations | Defense/Information Technology Locations | Lackland Air Force Base |  |  |
Segment financial information for real estate operations |  |  |
Revenues from real estate operations | 50,982 | 51,140 | 46,286
Property operating expenses | (29,055) | (29,042) | (26,888)
UJV NOI allocable to COPT | 0 | 0 | 0
NOI from real estate operations | 21,927 | 22,098 | 19,398
Additions to long-lived assets | 0 | 0 | 0
Transfers from non-operating properties | 456 | 10,781 | 14,718
Real estate operations | Defense/Information Technology Locations | Navy Support Locations |  |  |
Segment financial information for real estate operations |  |  |
Revenues from real estate operations | 32,869 | 32,659 | 31,927
Property operating expenses | (12,655) | (13,579) | (13,536)
UJV NOI allocable to COPT | 0 | 0 | 0
NOI from real estate operations | 20,214 | 19,080 | 18,391
Additions to long-lived assets | 7,104 | 8,912 | 6,535
Transfers from non-operating properties | 0 | 0 | (116)
Real estate operations | Defense/Information Technology Locations | Redstone Arsenal |  |  |
Segment financial information for real estate operations |  |  |
Revenues from real estate operations | 22,515 | 16,593 | 14,745
Property operating expenses | (8,119) | (6,626) | (6,050)
UJV NOI allocable to COPT | 0 | 0 | 0
NOI from real estate operations | 14,396 | 9,967 | 8,695
Additions to long-lived assets | 2,905 | 1,548 | 573
Transfers from non-operating properties | 138,122 | 33,606 | 4,167
Real estate operations | Defense/Information Technology Locations | Data Center Shells |  |  |
Segment financial information for real estate operations |  |  |
Revenues from real estate operations | 29,139 | 26,571 | 25,650
Property operating expenses | (3,195) | (1,962) | (3,225)
UJV NOI allocable to COPT | 6,951 | 5,705 | 4,818
NOI from real estate operations | 32,895 | 30,314 | 27,243
Additions to long-lived assets | 0 | 0 | 0
Transfers from non-operating properties | 230,277 | 159,472 | 99,191
Real estate operations | Regional Office |  |  |
Segment financial information for real estate operations |  |  |
Revenues from real estate operations | 60,627 | 59,611 | 61,181
Property operating expenses | (29,144) | (29,682) | (30,253)
UJV NOI allocable to COPT | 0 | 0 | 0
NOI from real estate operations | 31,483 | 29,929 | 30,928
Additions to long-lived assets | 17,232 | 20,925 | 19,730
Transfers from non-operating properties | 83,091 | 0 | 0
Real estate operations | Operating Wholesale Data Center |  |  |
Segment financial information for real estate operations |  |  |
Revenues from real estate operations | 27,788 | 29,405 | 31,892
Property operating expenses | (14,171) | (13,213) | (16,342)
UJV NOI allocable to COPT | 0 | 0 | 0
NOI from real estate operations | 13,617 | 16,192 | 15,550
Additions to long-lived assets | 11,158 | 893 | 856
Transfers from non-operating properties | 0 | (1,012) | 2,304
Real estate operations | Other |  |  |
Segment financial information for real estate operations |  |  |
Revenues from real estate operations | 2,791 | 2,961 | 3,127
Property operating expenses | (1,148) | (1,445) | (1,436)
UJV NOI allocable to COPT | 0 | 0 | 0
NOI from real estate operations | 1,643 | 1,516 | 1,691
Additions to long-lived assets | 165 | 128 | 480
Transfers from non-operating properties | 0 | 0 | 0
Real estate operations | Segment assets |  |  |
Segment financial information for real estate operations |  |  |
Segment assets | 3,388,978 | 3,024,958 | 3,084,862
Real estate operations | Segment assets | Defense/Information Technology Locations |  |  |
Segment financial information for real estate operations |  |  |
Segment assets | 2,692,912 | 2,426,019 | 2,468,727
Real estate operations | Segment assets | Defense/Information Technology Locations | Fort Meade/BW Corridor |  |  |
Segment financial information for real estate operations |  |  |
Segment assets | 1,277,849 | 1,280,656 | 1,279,571
Real estate operations | Segment assets | Defense/Information Technology Locations | Northern Virginia Defense/IT |  |  |
Segment financial information for real estate operations |  |  |
Segment assets | 392,714 | 396,914 | 399,339
Real estate operations | Segment assets | Defense/Information Technology Locations | Lackland Air Force Base |  |  |
Segment financial information for real estate operations |  |  |
Segment assets | 142,137 | 146,592 | 139,731
Real estate operations | Segment assets | Defense/Information Technology Locations | Navy Support Locations |  |  |
Segment financial information for real estate operations |  |  |
Segment assets | 178,897 | 184,257 | 188,911
Real estate operations | Segment assets | Defense/Information Technology Locations | Redstone Arsenal |  |  |
Segment financial information for real estate operations |  |  |
Segment assets | 281,386 | 138,501 | 108,010
Real estate operations | Segment assets | Defense/Information Technology Locations | Data Center Shells |  |  |
Segment financial information for real estate operations |  |  |
Segment assets | 419,929 | 279,099 | 353,165
Real estate operations | Segment assets | Regional Office |  |  |
Segment financial information for real estate operations |  |  |
Segment assets | 490,422 | 392,319 | 395,380
Real estate operations | Segment assets | Operating Wholesale Data Center |  |  |
Segment financial information for real estate operations |  |  |
Segment assets | 202,089 | 202,935 | 216,640
Real estate operations | Segment assets | Other |  |  |
Segment financial information for real estate operations |  |  |
Segment assets | $ 3,555 | $ 3,685 | $ 4,115

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