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CONSOLIDATED STATEMENTS OF OPERATIONS PARENTHETICALS (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Statements Of Operations Parentheticals      
Property operating expenses from related parties $ 46fil_PropertyOperatingExpensesFromRelatedParties $ 51fil_PropertyOperatingExpensesFromRelatedParties $ 61fil_PropertyOperatingExpensesFromRelatedParties
General and administrative from related parties $ 237fil_GeneralAndAdministrativeFromRelatedParties $ 234fil_GeneralAndAdministrativeFromRelatedParties $ 155fil_GeneralAndAdministrativeFromRelatedParties