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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 |

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