Annual report pursuant to Section 13 and 15(d)

Information by Business Segment (Details)

v3.19.3.a.u2
Information by Business Segment (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Segment financial information for real estate operations                      
Revenues from real estate operations $ 157,785 $ 159,431 $ 175,070 $ 148,940 $ 138,482 $ 137,411 $ 146,743 $ 155,476 $ 641,226 $ 578,112 $ 612,820
Property operating expenses                 198,143 201,035 190,964
UJV NOI allocable to COPT                 5,705 4,818 4,805
Segment assets 3,854,453       3,656,005       3,854,453 3,656,005  
Segment assets                      
Segment financial information for real estate operations                      
Segment assets 3,024,958       3,084,862       3,024,958 3,084,862  
Real estate operations                      
Segment financial information for real estate operations                      
Revenues from real estate operations                 527,463 517,253 509,980
Property operating expenses                 198,143 201,035 190,964
UJV NOI allocable to COPT                 5,705 4,818 4,805
NOI from real estate operations                 335,025 321,036 323,821
Additions to long-lived assets                 76,350 74,742 73,341
Transfers from non-operating properties                 226,001 166,143 202,211
Real estate operations | Defense/Information Technology Locations                      
Segment financial information for real estate operations                      
Revenues from real estate operations                 435,486 421,053 408,122
Property operating expenses                 153,803 153,004 146,558
UJV NOI allocable to COPT                 5,705 4,818 4,805
NOI from real estate operations                 287,388 272,867 266,369
Additions to long-lived assets                 54,404 53,676 44,352
Transfers from non-operating properties                 227,013 163,839 202,185
Real estate operations | Defense/Information Technology Locations | Fort Meade/BW Corridor                      
Segment financial information for real estate operations                      
Revenues from real estate operations                 252,781 248,927 245,613
Property operating expenses                 82,815 82,975 80,697
NOI from real estate operations                 169,966 165,952 164,916
Additions to long-lived assets                 34,618 38,612 26,659
Transfers from non-operating properties                 18,606 35,648 43,370
Real estate operations | Defense/Information Technology Locations | Northern Virginia Defense/IT                      
Segment financial information for real estate operations                      
Revenues from real estate operations                 55,742 53,518 47,118
Property operating expenses                 19,779 20,330 16,938
NOI from real estate operations                 35,963 33,188 30,180
Additions to long-lived assets                 9,326 7,956 8,115
Transfers from non-operating properties                 4,548 10,231 48,328
Real estate operations | Defense/Information Technology Locations | Lackland Air Force Base                      
Segment financial information for real estate operations                      
Revenues from real estate operations                 51,140 46,286 47,209
Property operating expenses                 29,042 26,888 27,812
NOI from real estate operations                 22,098 19,398 19,397
Additions to long-lived assets                 0 0 71
Transfers from non-operating properties                 10,781 14,718 0
Real estate operations | Defense/Information Technology Locations | Navy Support Locations                      
Segment financial information for real estate operations                      
Revenues from real estate operations                 32,659 31,927 29,540
Property operating expenses                 13,579 13,536 12,619
NOI from real estate operations                 19,080 18,391 16,921
Additions to long-lived assets                 8,912 6,535 8,451
Transfers from non-operating properties                 0 (116) 474
Real estate operations | Defense/Information Technology Locations | Redstone Arsenal                      
Segment financial information for real estate operations                      
Revenues from real estate operations                 16,593 14,745 14,322
Property operating expenses                 6,626 6,050 5,783
NOI from real estate operations                 9,967 8,695 8,539
Additions to long-lived assets                 1,548 573 1,056
Transfers from non-operating properties                 33,606 4,167 2,159
Real estate operations | Defense/Information Technology Locations | Data Center Shells                      
Segment financial information for real estate operations                      
Revenues from real estate operations                 26,571 25,650 24,320
Property operating expenses                 1,962 3,225 2,709
UJV NOI allocable to COPT                 5,705 4,818 4,805
NOI from real estate operations                 30,314 27,243 26,416
Additions to long-lived assets                 0 0 0
Transfers from non-operating properties                 159,472 99,191 107,854
Real estate operations | Regional Office                      
Segment financial information for real estate operations                      
Revenues from real estate operations                 59,611 61,181 68,262
Property operating expenses                 29,682 30,253 28,982
NOI from real estate operations                 29,929 30,928 39,280
Additions to long-lived assets                 20,925 19,730 25,299
Transfers from non-operating properties                 0 0 0
Real estate operations | Operating Wholesale Data Center                      
Segment financial information for real estate operations                      
Revenues from real estate operations                 29,405 31,892 28,875
Property operating expenses                 13,213 16,342 13,551
NOI from real estate operations                 16,192 15,550 15,324
Additions to long-lived assets                 893 856 3,580
Transfers from non-operating properties                 (1,012) 2,304 8
Real estate operations | Other                      
Segment financial information for real estate operations                      
Revenues from real estate operations                 2,961 3,127 4,721
Property operating expenses                 1,445 1,436 1,873
NOI from real estate operations                 1,516 1,691 2,848
Additions to long-lived assets                 128 480 110
Transfers from non-operating properties                 0 0 18
Real estate operations | Segment assets                      
Segment financial information for real estate operations                      
Segment assets 3,024,958       3,084,862       3,024,958 3,084,862 3,028,005
Real estate operations | Segment assets | Defense/Information Technology Locations                      
Segment financial information for real estate operations                      
Segment assets 2,426,019       2,468,727       2,426,019 2,468,727 2,398,989
Real estate operations | Segment assets | Defense/Information Technology Locations | Fort Meade/BW Corridor                      
Segment financial information for real estate operations                      
Segment assets 1,280,656       1,279,571       1,280,656 1,279,571 1,263,567
Real estate operations | Segment assets | Defense/Information Technology Locations | Northern Virginia Defense/IT                      
Segment financial information for real estate operations                      
Segment assets 396,914       399,339       396,914 399,339 402,076
Real estate operations | Segment assets | Defense/Information Technology Locations | Lackland Air Force Base                      
Segment financial information for real estate operations                      
Segment assets 146,592       139,731       146,592 139,731 128,755
Real estate operations | Segment assets | Defense/Information Technology Locations | Navy Support Locations                      
Segment financial information for real estate operations                      
Segment assets 184,257       188,911       184,257 188,911 194,476
Real estate operations | Segment assets | Defense/Information Technology Locations | Redstone Arsenal                      
Segment financial information for real estate operations                      
Segment assets 138,501       108,010       138,501 108,010 108,119
Real estate operations | Segment assets | Defense/Information Technology Locations | Data Center Shells                      
Segment financial information for real estate operations                      
Segment assets 279,099       353,165       279,099 353,165 301,996
Real estate operations | Segment assets | Regional Office                      
Segment financial information for real estate operations                      
Segment assets 392,319       395,380       392,319 395,380 400,512
Real estate operations | Segment assets | Operating Wholesale Data Center                      
Segment financial information for real estate operations                      
Segment assets 202,935       216,640       202,935 216,640 224,422
Real estate operations | Segment assets | Other                      
Segment financial information for real estate operations                      
Segment assets $ 3,685       $ 4,115       $ 3,685 $ 4,115 $ 4,082