Quarterly report [Sections 13 or 15(d)]

Information by Business Segment - Segment Financial Information for Our Reportable Segments (Details)

v3.25.1
Information by Business Segment - Segment Financial Information for Our Reportable Segments (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Segment financial information for real estate operations      
Revenues from real estate operations $ 187,856 $ 193,266  
Property operating expenses (72,040) (66,746)  
UJV NOI allocable to COPT Defense 1,889 1,740  
Segment assets 4,250,311 4,232,895 $ 4,254,191
Reportable segments      
Segment financial information for real estate operations      
Revenues from real estate operations 177,597 166,663  
Property operating expenses (72,040) (66,746)  
UJV NOI allocable to COPT Defense 1,889 1,740  
Total other segment items (70,151) (65,006)  
NOI 107,446 101,657  
Additions to long-lived assets 19,415 36,891  
Transfers from non-operating properties 12,336 38,545  
Segment assets 3,702,958 3,625,230  
Reportable segments | Defense/IT Portfolio      
Segment financial information for real estate operations      
Revenues from real estate operations 159,427 150,164  
Property operating expenses (63,331) (56,688)  
UJV NOI allocable to COPT Defense 1,889 1,740  
Total other segment items (61,442) (54,948)  
NOI 97,985 95,216  
Additions to long-lived assets 17,682 32,314  
Transfers from non-operating properties 9,562 38,536  
Segment assets 3,388,087 3,316,053  
Reportable segments | Defense/IT Portfolio | Fort Meade/BW Corridor      
Segment financial information for real estate operations      
Revenues from real estate operations 84,608 78,836  
Property operating expenses (31,930) (28,377)  
UJV NOI allocable to COPT Defense 0 0  
Total other segment items (31,930) (28,377)  
NOI 52,678 50,459  
Additions to long-lived assets 8,093 26,553  
Transfers from non-operating properties 1,337 1,575  
Segment assets 1,441,470 1,462,065  
Reportable segments | Defense/IT Portfolio | NoVA Defense/IT      
Segment financial information for real estate operations      
Revenues from real estate operations 23,162 21,426  
Property operating expenses (10,089) (9,262)  
UJV NOI allocable to COPT Defense 0 0  
Total other segment items (10,089) (9,262)  
NOI 13,073 12,164  
Additions to long-lived assets 2,556 4,491  
Transfers from non-operating properties 18 993  
Segment assets 492,384 489,544  
Reportable segments | Defense/IT Portfolio | Lackland Air Force Base      
Segment financial information for real estate operations      
Revenues from real estate operations 16,410 16,411  
Property operating expenses (8,999) (8,688)  
UJV NOI allocable to COPT Defense 0 0  
Total other segment items (8,999) (8,688)  
NOI 7,411 7,723  
Additions to long-lived assets 119 0  
Transfers from non-operating properties 0 9  
Segment assets 197,349 187,232  
Reportable segments | Defense/IT Portfolio | Navy Support      
Segment financial information for real estate operations      
Revenues from real estate operations 7,960 8,226  
Property operating expenses (4,166) (3,626)  
UJV NOI allocable to COPT Defense 0 0  
Total other segment items (4,166) (3,626)  
NOI 3,794 4,600  
Additions to long-lived assets 3,666 598  
Transfers from non-operating properties 0 0  
Segment assets 163,951 161,210  
Reportable segments | Defense/IT Portfolio | Redstone Arsenal      
Segment financial information for real estate operations      
Revenues from real estate operations 16,422 16,808  
Property operating expenses (6,294) (5,792)  
UJV NOI allocable to COPT Defense 0 0  
Total other segment items (6,294) (5,792)  
NOI 10,128 11,016  
Additions to long-lived assets 3,248 672  
Transfers from non-operating properties 4,266 32,884  
Segment assets 601,935 584,790  
Reportable segments | Defense/IT Portfolio | Data Center Shells      
Segment financial information for real estate operations      
Revenues from real estate operations 10,865 8,457  
Property operating expenses (1,853) (943)  
UJV NOI allocable to COPT Defense 1,889 1,740  
Total other segment items 36 797  
NOI 10,901 9,254  
Additions to long-lived assets 0 0  
Transfers from non-operating properties 3,941 3,075  
Segment assets 490,998 431,212  
Reportable segments | Other      
Segment financial information for real estate operations      
Revenues from real estate operations 18,170 16,499  
Property operating expenses (8,709) (10,058)  
UJV NOI allocable to COPT Defense 0 0  
Total other segment items (8,709) (10,058)  
NOI 9,461 6,441  
Additions to long-lived assets 1,733 4,577  
Transfers from non-operating properties 2,774 9  
Segment assets $ 314,871 $ 309,177