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Percentage of Investment in Unconsolidated Subsidiaries And Investees (Details)	Dec. 31, 2014
Percentage of Investment in Subsidiaries And Investees
Investments Minimum Percentage In Unconsolidated Subsidiaries, Jointly Owned Companies	20.00%fil_InvestmentsMinimumPercentageInUnconsolidatedSubsidiariesJointlyOwnedCompanies
Investments Maximum Percentage in Unconsolidated Subsidiaries, Jointly Owned Companies	50.00%fil_InvestmentsMaximumPercentageInUnconsolidatedSubsidiariesJointlyOwnedCompanies
Interest In Eton Square, Under Equity Method	0.00%fil_InterestInEtonSquareUnderEquityMethod

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- Definition

The percentage of Income Opportunity Realty Investors, Inc. interest in the Other Investee (TCI Eton Square, L.P.), which is accounted for under the equity method.

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No definition available.

+ Details

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- Definition

The maximum percentage of investment in unconsolidated subsidiaries, jointly owned companies and other investees

+ References

No definition available.

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- Definition

The minimum percentage of investment in unconsolidated subsidiaries, jointly owned companies and other investees

+ References

No definition available.

+ Details

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