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v2.3.0.11

Information by Business Segment (Details) (USD $) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2011 | Jun. 30, 2010 | Jun. 30, 2011 | Jun. 30, 2010 | Dec. 31, 2010
Information by Business Segment |  |  |  |  |
Number of primary office property segments | 9 |  | 9 |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | $ 120,806,000 | $ 109,991,000 | $ 243,247,000 | $ 222,987,000 |
Property operating expenses | 45,454,000 | 40,144,000 | 96,359,000 | 88,440,000 |
NOI from real estate operations | 75,352,000 | 69,847,000 | 146,888,000 | 134,547,000 |
Segment assets | 3,868,230,000 |  | 3,868,230,000 |  | 3,844,517,000
Operating Segment Total |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 120,806,000 | 109,991,000 | 243,247,000 | 222,987,000 |
Property operating expenses | 45,454,000 | 40,144,000 | 96,359,000 | 88,440,000 |
NOI from real estate operations | 75,352,000 | 69,847,000 | 146,888,000 | 134,547,000 |
Additions to properties, net | 75,996,000 | 87,375,000 | 151,347,000 | 145,722,000 |
Segment assets | 3,868,230,000 | 3,467,283,000 | 3,868,230,000 | 3,467,283,000 |
Baltimore/Washington Corridor |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 52,860,000 | 50,623,000 | 106,112,000 | 102,681,000 |
Property operating expenses | 18,325,000 | 16,853,000 | 39,715,000 | 39,008,000 |
NOI from real estate operations | 34,535,000 | 33,770,000 | 66,397,000 | 63,673,000 |
Additions to properties, net | 18,588,000 | 32,257,000 | 43,343,000 | 48,216,000 |
Segment assets | 1,389,667,000 | 1,358,956,000 | 1,389,667,000 | 1,358,956,000 |
Greater Baltimore |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 17,846,000 | 16,827,000 | 35,458,000 | 34,692,000 |
Property operating expenses | 7,269,000 | 7,311,000 | 15,809,000 | 16,321,000 |
NOI from real estate operations | 10,577,000 | 9,516,000 | 19,649,000 | 18,371,000 |
Additions to properties, net | 5,858,000 | 7,919,000 | 17,684,000 | 15,159,000 |
Segment assets | 566,900,000 | 570,889,000 | 566,900,000 | 570,889,000 |
Northern Virginia |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 18,445,000 | 18,172,000 | 36,719,000 | 36,831,000 |
Property operating expenses | 7,374,000 | 6,706,000 | 15,045,000 | 14,019,000 |
NOI from real estate operations | 11,071,000 | 11,466,000 | 21,674,000 | 22,812,000 |
Additions to properties, net | 17,177,000 | 32,684,000 | 19,314,000 | 37,594,000 |
Segment assets | 556,037,000 | 485,307,000 | 556,037,000 | 485,307,000 |
Colorado Springs |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 5,912,000 | 6,154,000 | 11,832,000 | 12,486,000 |
Property operating expenses | 2,077,000 | 2,239,000 | 4,513,000 | 4,548,000 |
NOI from real estate operations | 3,835,000 | 3,915,000 | 7,319,000 | 7,938,000 |
Additions to properties, net | 998,000 | 700,000 | 1,419,000 | 1,513,000 |
Segment assets | 261,813,000 | 267,356,000 | 261,813,000 | 267,356,000 |
Suburban Maryland |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 5,325,000 | 5,452,000 | 10,934,000 | 11,281,000 |
Property operating expenses | 2,234,000 | 2,199,000 | 4,952,000 | 4,900,000 |
NOI from real estate operations | 3,091,000 | 3,253,000 | 5,982,000 | 6,381,000 |
Additions to properties, net | 2,388,000 | 540,000 | 3,563,000 | 2,081,000 |
Segment assets | 171,418,000 | 172,321,000 | 171,418,000 | 172,321,000 |
San Antonio |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 7,089,000 | 4,228,000 | 14,752,000 | 8,166,000 |
Property operating expenses | 3,208,000 | 2,100,000 | 7,077,000 | 3,729,000 |
NOI from real estate operations | 3,881,000 | 2,128,000 | 7,675,000 | 4,437,000 |
Additions to properties, net | 2,399,000 | 5,559,000 | 4,689,000 | 10,498,000 |
Segment assets | 159,350,000 | 144,275,000 | 159,350,000 | 144,275,000 |
Washington, DC - Capitol Riverfront |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 4,252,000 |  | 8,842,000 |  |
Property operating expenses | 1,657,000 |  | 3,284,000 |  |
NOI from real estate operations | 2,595,000 |  | 5,558,000 |  |
Additions to properties, net | 632,000 |  | 695,000 |  |
Segment assets | 115,949,000 |  | 115,949,000 |  |
Greater Philadelphia |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 1,675,000 | 1,510,000 | 3,614,000 | 2,712,000 |
Property operating expenses | 375,000 | 800,000 | 821,000 | 1,563,000 |
NOI from real estate operations | 1,300,000 | 710,000 | 2,793,000 | 1,149,000 |
Additions to properties, net | 3,800,000 | 6,273,000 | 6,033,000 | 16,331,000 |
Segment assets | 127,685,000 | 120,432,000 | 127,685,000 | 120,432,000 |
St. Mary's and King George Counties |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 3,564,000 | 3,530,000 | 7,098,000 | 7,119,000 |
Property operating expenses | 970,000 | 1,041,000 | 1,986,000 | 2,148,000 |
NOI from real estate operations | 2,594,000 | 2,489,000 | 5,112,000 | 4,971,000 |
Additions to properties, net | 3,894,000 | 132,000 | 7,144,000 | 543,000 |
Segment assets | 102,402,000 | 93,333,000 | 102,402,000 | 93,333,000 |
Wholesale Data Center |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 1,276,000 |  | 2,486,000 |  |
Property operating expenses | 831,000 |  | 1,537,000 |  |
NOI from real estate operations | 445,000 |  | 949,000 |  |
Additions to properties, net | 15,311,000 |  | 39,381,000 |  |
Segment assets | 168,986,000 |  | 168,986,000 |  |
Other |  |  |  |  |
Segment financial information for real estate operations |  |  |  |  |
Revenues from real estate operations | 2,562,000 | 3,495,000 | 5,400,000 | 7,019,000 |
Property operating expenses | 1,134,000 | 895,000 | 1,620,000 | 2,204,000 |
NOI from real estate operations | 1,428,000 | 2,600,000 | 3,780,000 | 4,815,000 |
Additions to properties, net | 4,951,000 | 1,311,000 | 8,082,000 | 13,787,000 |
Segment assets | $ 248,023,000 | $ 254,414,000 | $ 248,023,000 | $ 254,414,000 |

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- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 7 -Section 03 -Paragraph 12 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Topic 210 -SubTopic 10 -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 -Section S99 -Name Accounting Standards Codification -Publisher FASB -Paragraph 1 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Concepts (CON) -Number 6 -Paragraph 25 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 18 -Article 5 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.18) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The cash outflow from the acquisition of a piece of land and anything permanently fixed to it, including buildings, structures on it and so forth, and payments to develop real estate assets by adding improvements on or to a parcel of land. Such improvements may include drainage, utilities, subdividing, access, buildings, and any combination of these elements. Including real estate intended to generate income for the owner; excluding real estate acquired for use by the owner. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 17 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3213-108585 + Details
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