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A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=14450570&loc=SL14450702-114947 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=14450570&loc=SL14450691-114947 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 5 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=14450570&loc=SL14450657-114947 false2Multiemployer Plan, Period Contributions3false 2ardna_DefinedContributionPlanMinimumAgeardna_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse1818falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse1818falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:integerItemTypeintegerNo authoritative reference available.No definition available.false0Defined Contribution Plan, Minimum Age4false 2ardna_DefinedContributionPlanMinimumMonthsOfServiceardna_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse11falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse11falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:integerItemTypeintegerNo authoritative reference available.No definition available.false0Defined Contribution Plan, Minimum Months of Service5false 2ardna_DefinedContributionPlanMaximumContributionOfIncomePercentardna_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truetruefalse1.001.00falsefalsefalse2falsetruefalse00falsefalsefalse3truetruefalse1.001.00falsefalsefalse4falsetruefalse00falsefalsefalsenum:percentItemTypepureNo authoritative reference available.No definition available.false0Defined Contribution Plan, Maximum Contribution of Income, Percent6false 2ardna_DefinedContributionPlanMaximumContributionOfIncomeAmountardna_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse1750017500falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse1750017500falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.false2Defined Contribution Plan, Maximum Contribution of Income, Amount7false 2ardna_DefinedContributionPlanMaximumContributionOfIncomeCatchUpAmountardna_falsedebitinstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse55005500falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse55005500falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.false2Defined Contribution Plan, Maximum Contribution of Income, Catch Up Amount8false 2ardna_DefinedContributionPlanMinimumCatchUpAgeardna_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse5050falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse5050falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:integerItemTypeintegerNo authoritative reference available.No definition available.false0Defined Contribution Plan, Minimum Catch Up Age9false 2ardna_DefinedContributionPlanMinimumYearsOfServiceardna_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse11falsefalsefalse2falsefalsefalse00falsefalsefalse3truefalsefalse11falsefalsefalse4falsefalsefalse00falsefalsefalsexbrli:integerItemTypeintegerNo authoritative reference available.No definition available.false0Defined Contribution Plan, Minimum Years of Service10false 2ardna_DefinedContributionPlanContributionsAccruedardna_falsedebitdurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1truefalsefalse132000132000USD$falsetruefalse2truefalsefalse9000090000USD$falsetruefalse3truefalsefalse273000273000USD$falsetruefalse4truefalsefalse186000186000USD$falsetruefalsexbrli:monetaryItemTypemonetaryNo authoritative reference available.No definition available.false2Defined Contribution Plan, Contributions AccruedfalseNote 2 - Multi-Employer Pension and Health Care Plans (Details) (USD $)NoRoundingUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.ardengroupinc.com/role/Note2MultiEmployerPensionandHealthCarePlansDetails410