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Operating segments information to corresponding Statement of operations (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Operating segments information to corresponding Statement of operations    
Segment operating income $ 948fil_SegmentOperatingIncome $ 931fil_SegmentOperatingIncome
segment General and administrative (174)fil_SegmentGeneralAndAdministrative (162)fil_SegmentGeneralAndAdministrative
segment Net income fee to related party (45)fil_SegmentNetIncomeFeeToRelatedParty (45)fil_SegmentNetIncomeFeeToRelatedParty
segment Advisory fee to related party (175)fil_Segmentadvisoryfeetorelatedparty1 (165)fil_Segmentadvisoryfeetorelatedparty1
segment Income from continuing operations $ 554fil_Segmentincomefromcontinuingoperations1 $ 559fil_Segmentincomefromcontinuingoperations1