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Organisation and basis of presentation Oraganisation Properties Real Estate Depreciation And Impairment (Details)
Jun. 30, 2012
Organisation and basis of presentation Oraganisation Properties Real Estate Depreciation And Impairment  
Percentage of Common stock owned by Affiliates 87.90%
Percentage of common stock outstanding shares of Transcontinental Realty Investors Inc. 84.70%
Owned percentage of subsidiary TCI in Income Opportunity Realty Investors 81.10%
Number of interests in a total property portfolio of income producing properties 63
Number of commercial properties 15
Number of office buildings 10
Number of industrial warehouse 1
Number of retails centers 4
Area of rental square feet 3,900,000
Number of apartment communities 48
Apartment communities units total 8,873
Area of acres of developed and undeveloped land 4,799
Buildings and improvements minimum useful life 10
Buildings and improvements maximum useful life 40
furniture, fixtures and equipment minimum useful life 5
furniture, fixtures and equipment maximum useful life 10