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Income Taxes (Details) (USD $) | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Income Taxes [Abstract] |  |  |
Estimated REIT taxable income | $ 79,229 dx_EstimatedREITtaxableincome | $ 71,765 dx_EstimatedREITtaxableincome | $ 73,962 dx_EstimatedREITtaxableincome
Operating Loss Carryforwards | $ 120,016 us-gaap_OperatingLossCarryforwards |  |
Operating Loss Carryforwards, Limitations on Use | Because the Company incurred an "ownership change" under Section 382 of the Internal Revenue Code ("Section 382"), the company's ability to utilize its NOL carryforward to offset its taxable income after any required dividend distributions is limited to approximately $13,451 per year with any unused amounts being accumulated and carried forward for use in subsequent years. |  |

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- Definition Estimated REIT taxable income before any dividend distributions or other offsets for the reporting period. + References No definition available. + Details
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- Details
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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32559-109319 + Details
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- Definition A description of the limitations on the use of all operating loss carryforwards available to reduce future taxable income. + References No definition available. + Details
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