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IOT (Details) (USD $)
Mar. 31, 2014
IOT Details  
IOT Notes and interest receivables due from UHF(Million) $ 27.5fil_IotNotesAndInterestReceivablesDueFromUhfMillion
IOT recognized interest income 3.0fil_IotRecognizedInterestIncome
Land of Three Hickory located in farmers branch(acres) 6.6fil_LandOfThreeHickoryLocatedInFarmersBranchAcres
Sold the land to TCI (million) 1.2fil_SoldTheLandTciMillion
amount of losses absorbed by taxable income multiplied by the maximum statutory tax rate 35.00%fil_AmountOfLossesAbsorbedByTaxableIncomeMultipliedByTheMaximumStatutoryTaxRate
IOT Paid to TCI tax sharing (Million) $ 0.9fil_IotPaidToTciTaxSharingMillion