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Income Taxes - Current income tax expense (benefit) (Details) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
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Income Taxes - Current income tax expense (benefit) |  |  |
Income from continuing operations, | $ 2,705 fil_IncomeFromContinuingOperations1 | $ 8,729 fil_IncomeFromContinuingOperations1 | $ 2,360 fil_IncomeFromContinuingOperations1
Income from discontinued operations, | 0 fil_Incomefromdiscontinuedoperations1 | 0 fil_Incomefromdiscontinuedoperations1 | 37 fil_Incomefromdiscontinuedoperations1
Total Income from discontinued operations | $ 2,705 fil_TotalIncomeFromDiscontinuedOperations | $ 8,729 fil_TotalIncomeFromDiscontinuedOperations | $ 2,397 fil_TotalIncomeFromDiscontinuedOperations

X
- Definition Amount of income (loss) from continuing operations attributable to the parent. Also defined as revenue less expenses and taxes from ongoing operations before extraordinary items but after deduction of those portions of income or loss from continuing operations that are allocable to noncontrolling interests. + References No definition available. + Details
Name: | fil_IncomeFromContinuingOperations1
Namespace Prefix: | fil_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of income (loss) from a disposal group, net of income tax before extraordinary items allocable to noncontrolling interests. Includes, net of tax, income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal. + References No definition available. + Details
Name: | fil_Incomefromdiscontinuedoperations1
Namespace Prefix: | fil_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | fil_IncomeTaxesCurrentIncomeTaxExpenseBenefitAbstract
Namespace Prefix: | fil_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of income (loss) from a disposal group, net of income tax before extraordinary items allocable to noncontrolling interests. Includes, net of tax, income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal. + References No definition available. + Details
Name: | fil_TotalIncomeFromDiscontinuedOperations
Namespace Prefix: | fil_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant