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Business Segments (Details Narrative) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2018 USD ($) a Segments | May 21, 2018 USD ($) integer | Jun. 30, 2017 ft²
Reportable business segments | Segments | 4 |  |
Discontinued Operations, Disposed of by Sale [Member] |  |  |
Warehouse properties |  | 40 |
Land parcels |  | 3 |
Sales price | $ | $ 347,200 |  |
Excluded |  |  |
Warehouse properties |  | 1 |
Property value | $ |  | $ 11,700 |
Brooksville Quarry, LLC |  |  |
Mining royalty lands acres | a | 4,280 |  |
Mining royalty lands |  |  |
Mining royalty lands acres | a | 15,000 |  |
RiverFront on the Anacostia |  |  |
Stabilization percent leased and occupied |  |  | 90.00%
Square feet | ft² |  |  | 300,000

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- Definition Cash received for the sale of real estate that is not part of an investing activity during the current period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585 + Details
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