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Properties, net (Details 3) $ in Thousands | Jun. 30, 2015 USD ($) Property | Dec. 31, 2014 USD ($) Property
--- | --- | ---
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Assets held for sale, net | $ 77,013 | $ 14,339
Greater Baltimore | Assets Held For Sale |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Number of properties held-for-sale | Property |  | 2
Assets held for sale, net |  | $ 14,300
2015 Assets Held For Sale |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Properties, net | 73,174 |
Deferred rent receivable | 1,683 |
Intangible assets on real estate acquisitions, net | 1,017 |
Deferred leasing costs, net | 977 |
Lease incentives, net | 162 |
Assets held for sale, net | $ 77,013 |
2015 Assets Held For Sale | Greater Baltimore |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Number of properties held-for-sale | Property | 6 |
2015 Assets Held For Sale | Northern Virginia |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |
Number of properties held-for-sale | Property | 1 |

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