Quarterly report pursuant to Section 13 or 15(d)

Information by Business Segment (Details)

v3.4.0.3
Information by Business Segment (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2016
Mar. 31, 2015
Dec. 31, 2015
Segment financial information for real estate operations      
Revenues from real estate operations $ 133,087 $ 122,710  
Property operating expenses 51,875 50,686  
NOI from real estate operations 81,212 72,024  
Segment assets 3,937,908 3,771,651 $ 3,909,312
Segment assets      
Segment financial information for real estate operations      
Revenues from real estate operations 133,087 122,710  
Property operating expenses 51,875 50,686  
NOI from real estate operations 81,212 72,024  
Additions to long-lived assets 14,401 71,971  
Transfers from non-operating properties 62,093 117,272  
Segment assets 3,305,392 3,110,380  
Segment assets | Defense/Information Technology Locations      
Segment financial information for real estate operations      
Revenues from real estate operations 101,230 95,720  
Property operating expenses 38,519 38,817  
NOI from real estate operations 62,711 56,903  
Additions to long-lived assets 11,485 5,908  
Transfers from non-operating properties 61,971 105,588  
Segment assets 2,391,207 2,278,063  
Segment assets | Defense/Information Technology Locations | Fort Meade/BW Corridor      
Segment financial information for real estate operations      
Revenues from real estate operations 62,509 61,184  
Property operating expenses 23,246 23,516  
NOI from real estate operations 39,263 37,668  
Additions to long-lived assets 6,519 3,445  
Transfers from non-operating properties 35,751 12,930  
Segment assets 1,319,444 1,267,663  
Segment assets | Defense/Information Technology Locations | Northern Virginia Defense/IT      
Segment financial information for real estate operations      
Revenues from real estate operations 12,116 11,046  
Property operating expenses 4,541 5,616  
NOI from real estate operations 7,575 5,430  
Additions to long-lived assets 3,078 787  
Transfers from non-operating properties (94) 43,473  
Segment assets 407,199 412,410  
Segment assets | Defense/Information Technology Locations | Lackland Air Force Base      
Segment financial information for real estate operations      
Revenues from real estate operations 10,225 8,665  
Property operating expenses 5,420 4,763  
NOI from real estate operations 4,805 3,902  
Additions to long-lived assets 0 0  
Transfers from non-operating properties 6 31,091  
Segment assets 133,757 133,197  
Segment assets | Defense/Information Technology Locations | Navy Support Locations      
Segment financial information for real estate operations      
Revenues from real estate operations 6,934 7,265  
Property operating expenses 3,524 3,398  
NOI from real estate operations 3,410 3,867  
Additions to long-lived assets 1,270 1,593  
Transfers from non-operating properties 0 0  
Segment assets 195,306 195,249  
Segment assets | Defense/Information Technology Locations | Redstone Arsenal      
Segment financial information for real estate operations      
Revenues from real estate operations 3,116 2,446  
Property operating expenses 978 829  
NOI from real estate operations 2,138 1,617  
Additions to long-lived assets 618 83  
Transfers from non-operating properties 211 2,997  
Segment assets 107,693 99,335  
Segment assets | Defense/Information Technology Locations | Data Center Shells      
Segment financial information for real estate operations      
Revenues from real estate operations 6,330 5,114  
Property operating expenses 810 695  
NOI from real estate operations 5,520 4,419  
Additions to long-lived assets 0 0  
Transfers from non-operating properties 26,097 15,097  
Segment assets 227,808 170,209  
Segment assets | Regional Office      
Segment financial information for real estate operations      
Revenues from real estate operations 23,502 21,960  
Property operating expenses 9,831 8,748  
NOI from real estate operations 13,671 13,212  
Additions to long-lived assets 2,759 65,934  
Transfers from non-operating properties 82 11,507  
Segment assets 603,662 597,389  
Segment assets | Wholesale data centers      
Segment financial information for real estate operations      
Revenues from real estate operations 6,493 3,035  
Property operating expenses 2,661 2,212  
NOI from real estate operations 3,832 823  
Additions to long-lived assets 0 30  
Transfers from non-operating properties 51 177  
Segment assets 240,484 162,170  
Segment assets | Other Segments      
Segment financial information for real estate operations      
Revenues from real estate operations 1,862 1,995  
Property operating expenses 864 909  
NOI from real estate operations 998 1,086  
Additions to long-lived assets 157 99  
Transfers from non-operating properties (11) 0  
Segment assets $ 70,039 $ 72,758