2.4.0.8031 - Disclosure - Note 4 - Investments (Details) - State-guaranteed Receivables by Contractual Maturitytruefalsefalse1false USDfalsefalse$c0_AsOf30Jun2013http://www.sec.gov/CIK0000055362instant2013-06-30T00:00:000001-01-01T00:00:00usdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2false USDfalsefalse$c1_AsOf31Dec2012http://www.sec.gov/CIK0000055362instant2012-12-31T00:00:000001-01-01T00:00:00usdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$1true 3ihrc_Note4InvestmentsDetailsStateguaranteedReceivablesbyContractualMaturityLineItemsihrc_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Note 4 - Investments (Details) - State-guaranteed Receivables by Contractual Maturity [Line Items]2false 4ihrc_StateGuaranteedReceivablesFairValueihrc_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalsetotalLabel1truefalsefalse95433579543357USD$falsetruefalse2truefalsefalse1018622610186226USD$falsetruefalsexbrli:monetaryItemTypemonetaryFair value for investments in state-guaranteed receivables.No definition available.true2Total3false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3false USDtruefalse$c98_AsOf30Jun2013_StateGuaranteedReceivablesMemberhttp://www.sec.gov/CIK0000055362instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseState-Guaranteed Receivables [Member]us-gaap_DebtSecurityAxisxbrldihttp://xbrl.org/2006/xbrldiihrc_StateGuaranteedReceivablesMemberus-gaap_DebtSecurityAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0State-Guaranteed Receivables [Member]4true 3ihrc_Note4InvestmentsDetailsStateguaranteedReceivablesbyContractualMaturityLineItemsihrc_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Note 4 - Investments (Details) - State-guaranteed Receivables by Contractual Maturity [Line Items]5false 4ihrc_StateGuaranteedReceivablesWithinOneYearAmortizedCostihrc_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse701042701042USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of state-guaranteed receivables at amortized cost maturing in the next fiscal year following the latest fiscal year.No definition available.false2Due in one year or less6false 4ihrc_StateGuaranteedReceivablesWithinOneYearFairValueihrc_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse708696708696USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of state-guaranteed receivables at fair value maturing in the next fiscal year following the latest fiscal year.No definition available.false2Due in one year or less7false 4ihrc_StateGuaranteedReceivablesAfterOneThroughFiveYearsAmortizedCostihrc_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse24714372471437USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of state-guaranteed receivables at amortized cost maturing in the second fiscal year through the fifth fiscal year following the latest fiscal year.No definition available.false2Due after one year through five years8false 4ihrc_StateGuaranteedReceivablesAfterOneThroughFiveYearsFairValueihrc_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse26490762649076USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of state-guaranteed receivables at fair value maturing in the second fiscal year through the fifth fiscal year following the latest fiscal year.No definition available.false2Due after one year through five years9false 4ihrc_StateGuaranteedReceivablesAfterFiveThroughTenYearsAmortizedCostihrc_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse27718362771836USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of state-guaranteed receivables at amortized cost maturing in the sixth fiscal year through the tenth fiscal year following the latest fiscal year.No definition available.false2Due after five years through ten years10false 4ihrc_StateGuaranteedReceivablesAfterFiveThroughTenYearsFairValueihrc_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse33043323304332USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of state-guaranteed receivables at fair value maturing in the sixth fiscal year through the tenth fiscal year following the latest fiscal year.No definition available.false2Due after five years through ten years11false 4ihrc_StateGuaranteedReceivablesAfterTenYearsAmortizedCostihrc_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse21562092156209USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of state-guaranteed receivables at amortized cost maturing after the tenth fiscal year following the latest fiscal year.No definition available.false2Due after ten years12false 4ihrc_StateGuaranteedReceivablesAfterTenYearsFairValueihrc_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse28812532881253USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryAmount of state-guaranteed receivables at fair value maturing after the tenth fiscal year following the latest fiscal year.No definition available.false2Due after ten years13false 4ihrc_StateGuaranteedReceivablesihrc_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalsetotalLabel1truefalsefalse81005248100524USD$falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.true2Total14false 4ihrc_StateGuaranteedReceivablesFairValueihrc_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalsetotalLabel1truefalsefalse95433579543357USD$falsetruefalse2falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryFair value for investments in state-guaranteed receivables.No definition available.true2TotalfalseNote 4 - Investments (Details) - State-guaranteed Receivables by Contractual Maturity (USD $)NoRoundingUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.investorsheritage.com/role/StateguaranteedReceivablesbyContractualMaturityTable214