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Organization and Basis Of Presentation (Details) (USD $) | Dec. 31, 2014
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Organization and Basis Of Presentation |
Percentage of Transcontinental Realty Investors, Inc on common stock | 81.12%fil_PercentageOfTranscontinentalRealtyInvestorsIncOnCommonStock1
Land in acres | 178.1 fil_LandInAcres
Note Receivables due from related parties | $ 25,400,000 fil_NoteReceivablesDueFromRelatedParties

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- Definition Acres of land held for sale. + References No definition available. + Details
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Balance Type: | na
Period Type: | instant

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- Definition Amounts due from parties associated with the reporting entity as evidenced by a written promise to pay, due within 1 year (or 1 business cycle). + References No definition available. + Details
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Data Type: | xbrli:monetaryItemType
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- Details
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- Definition Percentage of stock held by Transcontinental Realty Investors, Inc. in the common stock of Income Opportunity Realty Investors Inc. + References No definition available. + Details
Name: | fil_PercentageOfTranscontinentalRealtyInvestorsIncOnCommonStock1
Namespace Prefix: | fil_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant