Quarterly report [Sections 13 or 15(d)]

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

v3.25.3
Information by Business Segment - Segment Financial Information for Our Reportable Segments (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Segment financial information for real estate operations          
Revenues from real estate operations $ 188,795 $ 189,225 $ 566,566 $ 569,834  
Other segment items:          
Property operating expenses (70,356) (68,881) (209,311) (199,037)  
UJV NOI allocable to COPT Defense 1,864 1,844 5,623 5,319  
Segment assets 4,351,432 4,234,302 4,351,432 4,234,302 $ 4,254,191
Reportable segments          
Segment financial information for real estate operations          
Revenues from real estate operations 180,310 172,563 535,364 506,311  
Other segment items:          
Property operating expenses (70,356) (68,881) (209,311) (199,037)  
UJV NOI allocable to COPT Defense 1,864 1,844 5,623 5,319  
Total other segment items (68,492) (67,037) (203,688) (193,718)  
NOI 111,818 105,526 331,676 312,593  
Additions to long-lived assets 30,917 45,573 76,977 108,047  
Transfers from non-operating properties 25,940 26,893 74,078 69,678  
Segment assets 3,720,879 3,647,455 3,720,879 3,647,455  
Reportable segments | Defense/IT Portfolio          
Segment financial information for real estate operations          
Revenues from real estate operations 161,573 155,148 479,709 455,636  
Other segment items:          
Property operating expenses (60,580) (58,855) (180,706) (169,714)  
UJV NOI allocable to COPT Defense 1,864 1,844 5,623 5,319  
Total other segment items (58,716) (57,011) (175,083) (164,395)  
NOI 102,857 98,137 304,626 291,241  
Additions to long-lived assets 28,051 41,533 68,749 93,760  
Transfers from non-operating properties 25,798 26,752 68,937 67,794  
Segment assets 3,405,258 3,336,034 3,405,258 3,336,034  
Reportable segments | Defense/IT Portfolio | Fort Meade/BW Corridor          
Segment financial information for real estate operations          
Revenues from real estate operations 81,756 80,757 247,701 238,012  
Other segment items:          
Property operating expenses (28,477) (28,342) (87,304) (81,718)  
UJV NOI allocable to COPT Defense 0 0 0 0  
Total other segment items (28,477) (28,342) (87,304) (81,718)  
NOI 53,279 52,415 160,397 156,294  
Additions to long-lived assets 12,812 14,101 30,876 48,370  
Transfers from non-operating properties 19,751 418 34,984 2,658  
Segment assets 1,460,768 1,450,602 1,460,768 1,450,602  
Reportable segments | Defense/IT Portfolio | Redstone Arsenal          
Segment financial information for real estate operations          
Revenues from real estate operations 19,477 18,332 54,876 52,157  
Other segment items:          
Property operating expenses (7,250) (6,463) (19,704) (17,976)  
UJV NOI allocable to COPT Defense 0 0 0 0  
Total other segment items (7,250) (6,463) (19,704) (17,976)  
NOI 12,227 11,869 35,172 34,181  
Additions to long-lived assets 2,209 1,521 12,395 2,545  
Transfers from non-operating properties 4,806 25,846 23,428 60,119  
Segment assets 618,618 602,573 618,618 602,573  
Reportable segments | Defense/IT Portfolio | NoVA Defense/IT          
Segment financial information for real estate operations          
Revenues from real estate operations 22,343 22,083 67,523 64,110  
Other segment items:          
Property operating expenses (8,891) (9,252) (27,838) (27,444)  
UJV NOI allocable to COPT Defense 0 0 0 0  
Total other segment items (8,891) (9,252) (27,838) (27,444)  
NOI 13,452 12,831 39,685 36,666  
Additions to long-lived assets 7,061 5,357 12,880 19,762  
Transfers from non-operating properties 26 16 42 1,011  
Segment assets 491,051 492,912 491,051 492,912  
Reportable segments | Defense/IT Portfolio | Lackland Air Force Base          
Segment financial information for real estate operations          
Revenues from real estate operations 18,555 16,879 52,440 49,737  
Other segment items:          
Property operating expenses (10,245) (9,160) (28,485) (26,645)  
UJV NOI allocable to COPT Defense 0 0 0 0  
Total other segment items (10,245) (9,160) (28,485) (26,645)  
NOI 8,310 7,719 23,955 23,092  
Additions to long-lived assets 7 17,034 224 17,034  
Transfers from non-operating properties 0 0 0 9  
Segment assets 193,734 200,968 193,734 200,968  
Reportable segments | Defense/IT Portfolio | Navy Support          
Segment financial information for real estate operations          
Revenues from real estate operations 8,727 8,068 24,945 24,534  
Other segment items:          
Property operating expenses (4,016) (4,084) (12,038) (11,343)  
UJV NOI allocable to COPT Defense 0 0 0 0  
Total other segment items (4,016) (4,084) (12,038) (11,343)  
NOI 4,711 3,984 12,907 13,191  
Additions to long-lived assets 5,962 3,520 12,374 6,049  
Transfers from non-operating properties 0 66 2 106  
Segment assets 167,810 161,007 167,810 161,007  
Reportable segments | Defense/IT Portfolio | Data Center Shells          
Segment financial information for real estate operations          
Revenues from real estate operations 10,715 9,029 32,224 27,086  
Other segment items:          
Property operating expenses (1,701) (1,554) (5,337) (4,588)  
UJV NOI allocable to COPT Defense 1,864 1,844 5,623 5,319  
Total other segment items 163 290 286 731  
NOI 10,878 9,319 32,510 27,817  
Additions to long-lived assets 0 0 0 0  
Transfers from non-operating properties 1,215 406 10,481 3,891  
Segment assets 473,277 427,972 473,277 427,972  
Reportable segments | Other          
Segment financial information for real estate operations          
Revenues from real estate operations 18,737 17,415 55,655 50,675  
Other segment items:          
Property operating expenses (9,776) (10,026) (28,605) (29,323)  
UJV NOI allocable to COPT Defense 0 0 0 0  
Total other segment items (9,776) (10,026) (28,605) (29,323)  
NOI 8,961 7,389 27,050 21,352  
Additions to long-lived assets 2,866 4,040 8,228 14,287  
Transfers from non-operating properties 142 141 5,141 1,884  
Segment assets $ 315,621 $ 311,421 $ 315,621 $ 311,421