Quarterly report pursuant to Section 13 or 15(d)

Information by Business Segment (Details)

v3.7.0.1
Information by Business Segment (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Dec. 31, 2016
Segment financial information for real estate operations      
Revenues from real estate operations $ 126,767 $ 133,087  
Property operating expenses (48,519) (51,875)  
UJV NOI allocable to COPT 1,298 0  
NOI from real estate operations 79,546 81,212  
Additions to long-lived assets 17,040 14,401  
Transfers from non-operating properties 12,645 62,093  
Segment assets 3,739,366 3,937,908 $ 3,780,885
Defense/Information Technology Locations      
Segment financial information for real estate operations      
Revenues from real estate operations 100,188 101,230  
Property operating expenses (37,013) (38,519)  
UJV NOI allocable to COPT 1,298    
NOI from real estate operations 64,473 62,711  
Additions to long-lived assets 8,190 11,485  
Transfers from non-operating properties 12,619 61,971  
Segment assets 2,262,632 2,391,207  
Defense/Information Technology Locations | Fort Meade/BW Corridor      
Segment financial information for real estate operations      
Revenues from real estate operations 60,855 62,509  
Property operating expenses (20,520) (23,246)  
UJV NOI allocable to COPT 0    
NOI from real estate operations 40,335 39,263  
Additions to long-lived assets 3,422 6,519  
Transfers from non-operating properties 13,416 35,751  
Segment assets 1,258,437 1,319,444  
Defense/Information Technology Locations | Northern Virginia Defense/IT      
Segment financial information for real estate operations      
Revenues from real estate operations 11,707 12,116  
Property operating expenses (4,452) (4,541)  
UJV NOI allocable to COPT 0    
NOI from real estate operations 7,255 7,575  
Additions to long-lived assets 2,468 3,078  
Transfers from non-operating properties 222 (94)  
Segment assets 361,449 407,199  
Defense/Information Technology Locations | Lackland Air Force Base      
Segment financial information for real estate operations      
Revenues from real estate operations 11,634 10,225  
Property operating expenses (6,802) (5,420)  
UJV NOI allocable to COPT 0    
NOI from real estate operations 4,832 4,805  
Additions to long-lived assets 0 0  
Transfers from non-operating properties 0 6  
Segment assets 131,194 133,757  
Defense/Information Technology Locations | Navy Support Locations      
Segment financial information for real estate operations      
Revenues from real estate operations 7,010 6,934  
Property operating expenses (3,209) (3,524)  
UJV NOI allocable to COPT 0    
NOI from real estate operations 3,801 3,410  
Additions to long-lived assets 2,168 1,270  
Transfers from non-operating properties 0 0  
Segment assets 195,892 195,306  
Defense/Information Technology Locations | Redstone Arsenal      
Segment financial information for real estate operations      
Revenues from real estate operations 3,460 3,116  
Property operating expenses (1,371) (978)  
UJV NOI allocable to COPT 0    
NOI from real estate operations 2,089 2,138  
Additions to long-lived assets 132 618  
Transfers from non-operating properties (4) 211  
Segment assets 109,171 107,693  
Defense/Information Technology Locations | Data Center Shells      
Segment financial information for real estate operations      
Revenues from real estate operations 5,522 6,330  
Property operating expenses (659) (810)  
UJV NOI allocable to COPT 1,298    
NOI from real estate operations 6,161 5,520  
Additions to long-lived assets 0 0  
Transfers from non-operating properties (1,015) 26,097  
Segment assets 206,489 227,808  
Regional Office      
Segment financial information for real estate operations      
Revenues from real estate operations 18,276 23,502  
Property operating expenses (7,486) (9,831)  
UJV NOI allocable to COPT 0    
NOI from real estate operations 10,790 13,671  
Additions to long-lived assets 7,120 2,759  
Transfers from non-operating properties 0 82  
Segment assets 439,079 603,662  
Operating wholesale data centers      
Segment financial information for real estate operations      
Revenues from real estate operations 6,770 6,493  
Property operating expenses (3,365) (2,661)  
UJV NOI allocable to COPT 0    
NOI from real estate operations 3,405 3,832  
Additions to long-lived assets 1,574 0  
Transfers from non-operating properties 8 51  
Segment assets 229,630 240,484  
Other Segments      
Segment financial information for real estate operations      
Revenues from real estate operations 1,533 1,862  
Property operating expenses (655) (864)  
UJV NOI allocable to COPT 0    
NOI from real estate operations 878 998  
Additions to long-lived assets 156 157  
Transfers from non-operating properties 18 (11)  
Segment assets 21,011 70,039  
Segment assets      
Segment financial information for real estate operations      
Segment assets $ 2,952,352 $ 3,305,392