2.4.0.8032 - Disclosure - Note 4 - Investments (Details) - Amortized Cost of State-guaranteed Receivables, by Statetruefalsefalse1false 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$1true 3ihrc_Note4InvestmentsDetailsAmortizedCostofStateguaranteedReceivablesbyStateLineItemsihrc_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Note 4 - Investments (Details) - Amortized Cost of State-guaranteed Receivables, by State [Line Items]2false 4ihrc_StateguaranteedReceivablesihrc_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse81005248100524USD$falsetruefalse2truefalsefalse81116698111669USD$falsetruefalsexbrli:monetaryItemTypemonetaryThis item represents investments in lottery receivables guaranteed by states.No definition available.false2Amortized Cost of State-guaranteed Receivables3false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse3false USDtruefalse$c99_AsOf30Jun2013_NewYorkMemberhttp://www.sec.gov/CIK0000055362instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseNew York [Member]ihrc_StateAxisxbrldihttp://xbrl.org/2006/xbrldiihrc_NewYorkMemberihrc_StateAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0New York [Member]4true 3ihrc_Note4InvestmentsDetailsAmortizedCostofStateguaranteedReceivablesbyStateLineItemsihrc_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Note 4 - Investments (Details) - Amortized Cost of State-guaranteed Receivables, by State [Line Items]5false 4ihrc_StateguaranteedReceivablesihrc_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse39255613925561USD$falsefalsefalse2truefalsefalse39738623973862USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThis item represents investments in lottery receivables guaranteed by states.No definition available.false2Amortized Cost of State-guaranteed Receivables6false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse5false USDtruefalse$c101_AsOf30Jun2013_MassachusettsMemberhttp://www.sec.gov/CIK0000055362instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseMassachusetts [Member]ihrc_StateAxisxbrldihttp://xbrl.org/2006/xbrldiihrc_MassachusettsMemberihrc_StateAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Massachusetts [Member]7true 3ihrc_Note4InvestmentsDetailsAmortizedCostofStateguaranteedReceivablesbyStateLineItemsihrc_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Note 4 - Investments (Details) - Amortized Cost of State-guaranteed Receivables, by State [Line Items]8false 4ihrc_StateguaranteedReceivablesihrc_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse18773471877347USD$falsefalsefalse2truefalsefalse18381661838166USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThis item represents investments in lottery receivables guaranteed by states.No definition available.false2Amortized Cost of State-guaranteed Receivables9false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse7false USDtruefalse$c103_AsOf30Jun2013_GeorgiaMemberhttp://www.sec.gov/CIK0000055362instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseGeorgia [Member]ihrc_StateAxisxbrldihttp://xbrl.org/2006/xbrldiihrc_GeorgiaMemberihrc_StateAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Georgia [Member]10true 3ihrc_Note4InvestmentsDetailsAmortizedCostofStateguaranteedReceivablesbyStateLineItemsihrc_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Note 4 - Investments (Details) - Amortized Cost of State-guaranteed Receivables, by State [Line Items]11false 4ihrc_StateguaranteedReceivablesihrc_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse15421661542166USD$falsefalsefalse2truefalsefalse15310781531078USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThis item represents investments in lottery receivables guaranteed by states.No definition available.false2Amortized Cost of State-guaranteed Receivables12false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse9false USDtruefalse$c105_AsOf30Jun2013_PennsylvaniaMemberhttp://www.sec.gov/CIK0000055362instant2013-06-30T00:00:000001-01-01T00:00:00falsefalsePennsylvania [Member]ihrc_StateAxisxbrldihttp://xbrl.org/2006/xbrldiihrc_PennsylvaniaMemberihrc_StateAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Pennsylvania [Member]13true 3ihrc_Note4InvestmentsDetailsAmortizedCostofStateguaranteedReceivablesbyStateLineItemsihrc_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Note 4 - Investments (Details) - Amortized Cost of State-guaranteed Receivables, by State [Line Items]14false 4ihrc_StateguaranteedReceivablesihrc_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse280212280212USD$falsefalsefalse2truefalsefalse270657270657USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThis item represents investments in lottery receivables guaranteed by states.No definition available.false2Amortized Cost of State-guaranteed Receivables15false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse11false USDtruefalse$c107_AsOf30Jun2013_CaliforniaMemberhttp://www.sec.gov/CIK0000055362instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseCalifornia [Member]ihrc_StateAxisxbrldihttp://xbrl.org/2006/xbrldiihrc_CaliforniaMemberihrc_StateAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0California [Member]16true 3ihrc_Note4InvestmentsDetailsAmortizedCostofStateguaranteedReceivablesbyStateLineItemsihrc_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Note 4 - Investments (Details) - Amortized Cost of State-guaranteed Receivables, by State [Line Items]17false 4ihrc_StateguaranteedReceivablesihrc_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse189144189144USD$falsefalsefalse2truefalsefalse202563202563USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThis item represents investments in lottery receivables guaranteed by states.No definition available.false2Amortized Cost of State-guaranteed Receivables18false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse13false USDtruefalse$c109_AsOf30Jun2013_TexasMemberhttp://www.sec.gov/CIK0000055362instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseTexas [Member]ihrc_StateAxisxbrldihttp://xbrl.org/2006/xbrldiihrc_TexasMemberihrc_StateAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Texas [Member]19true 3ihrc_Note4InvestmentsDetailsAmortizedCostofStateguaranteedReceivablesbyStateLineItemsihrc_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Note 4 - Investments (Details) - Amortized Cost of State-guaranteed Receivables, by State [Line Items]20false 4ihrc_StateguaranteedReceivablesihrc_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse205353205353USD$falsefalsefalse2truefalsefalse198260198260USD$falsefalsefalsexbrli:monetaryItemTypemonetaryThis item represents investments in lottery receivables guaranteed by states.No definition available.false2Amortized Cost of State-guaranteed Receivables21false 0truefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalse15false USDtruefalse$c111_AsOf30Jun2013_OhioMemberhttp://www.sec.gov/CIK0000055362instant2013-06-30T00:00:000001-01-01T00:00:00falsefalseOhio [Member]ihrc_StateAxisxbrldihttp://xbrl.org/2006/xbrldiihrc_OhioMemberihrc_StateAxisexplicitMemberusdStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$nanafalse0Ohio [Member]22true 3ihrc_Note4InvestmentsDetailsAmortizedCostofStateguaranteedReceivablesbyStateLineItemsihrc_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Note 4 - Investments (Details) - Amortized Cost of State-guaranteed Receivables, by State [Line Items]23false 4ihrc_StateguaranteedReceivablesihrc_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse8074180741USD$falsetruefalse2truefalsefalse9708397083USD$falsetruefalsexbrli:monetaryItemTypemonetaryThis item represents investments in lottery receivables guaranteed by states.No definition available.false2Amortized Cost of State-guaranteed ReceivablesfalseNote 4 - Investments (Details) - Amortized Cost of State-guaranteed Receivables, by State (USD $)NoRoundingUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.investorsheritage.com/role/AmortizedCostofStateguaranteedReceivablesbyStateTable223