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Note 21 - Income Taxes (Details) (USD $) | 1 Months Ended | 12 Months Ended
--- | --- | ---
Oct. 31, 2011 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Note 21 - Income Taxes (Details) [Line Items] |  |  |  |  |  |
Required Dividend Payout |  | 90.00%kim_RequiredDividendPayout |  |  |  |
Dividends, Cash |  | $ 427,873,000 us-gaap_DividendsCash |  | $ 400,354,000 us-gaap_DividendsCash |  | $ 382,722,000 us-gaap_DividendsCash
Deferred Tax Assets, Net |  | 75,541,000 us-gaap_DeferredTaxAssetsLiabilitiesNet |  | 91,242,000 us-gaap_DeferredTaxAssetsLiabilitiesNet |  |
Deferred Tax Assets, Property, Plant and Equipment |  | 43,200,000 us-gaap_DeferredTaxAssetsPropertyPlantAndEquipment |  |  |  |
Deferred Tax Liabilities, Property, Plant and Equipment |  | 25,500,000 us-gaap_DeferredTaxLiabilitiesPropertyPlantAndEquipment |  |  |  |
Deferred Tax Assets, Operating Loss Carryforwards |  | 51,142,000 us-gaap_DeferredTaxAssetsOperatingLossCarryforwards |  | 72,716,000 us-gaap_DeferredTaxAssetsOperatingLossCarryforwards |  |
Deferred Tax Assets, Other Loss Carryforwards |  | 3,843,000 us-gaap_DeferredTaxAssetsOtherLossCarryforwards |  | 6,214,000 us-gaap_DeferredTaxAssetsOtherLossCarryforwards |  |
Deferred Tax Assets, Tax Credit Carryforwards |  | 3,899,000 us-gaap_DeferredTaxAssetsTaxCreditCarryforwards |  | 3,773,000 us-gaap_DeferredTaxAssetsTaxCreditCarryforwards |  |
Deferred Tax Assets, Capital Loss Carryforwards |  | 3,995,000 us-gaap_DeferredTaxAssetsCapitalLossCarryforwards |  | 3,867,000 us-gaap_DeferredTaxAssetsCapitalLossCarryforwards |  |
Taxable Income |  | 300,743,000 kim_TaxableIncome |  | 249,891,000 kim_TaxableIncome |  | 242,792,000 kim_TaxableIncome
Deferred Tax Assets, Net of Valuation Allowance |  | 107,856,000 us-gaap_DeferredTaxAssetsNet |  | 123,911,000 us-gaap_DeferredTaxAssetsNet |  |
Income Tax Examination, Potential Penalty, Percent |  | 100.00%kim_IncomeTaxExaminationPotentialPenaltyPercent |  |  |  |
Income Tax Examination, Penalties Expense | 40,900,000 us-gaap_IncomeTaxExaminationPenaltiesExpense |  |  |  |  |
Unrecognized Tax Benefits, Decrease Resulting from Current Period Tax Positions |  |  | [1] | 12,315,000 us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions | [1] |
Unrecognized Tax Benefits |  | 4,649,000 us-gaap_UnrecognizedTaxBenefits |  | 4,590,000 us-gaap_UnrecognizedTaxBenefits |  | 16,890,000 us-gaap_UnrecognizedTaxBenefits
REIT Eligibility [Member] |  |  |  |  |  |
Note 21 - Income Taxes (Details) [Line Items] |  |  |  |  |  |
Number of Years |  | 4 kim_NumberOfYears / kim_DisclosureAxis = kim_REITEligibilityMember |  |  |  |
KRS [Member] | Used [Member] |  |  |  |  |  |
Note 21 - Income Taxes (Details) [Line Items] |  |  |  |  |  |
Operating Loss Carryforwards |  | 27,400,000 us-gaap_OperatingLossCarryforwards / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = kim_KRSMember / us-gaap_StatementScenarioAxis = kim_UsedMember |  |  |  |
KRS [Member] | Determination of Future Projected Income [Member] |  |  |  |  |  |
Note 21 - Income Taxes (Details) [Line Items] |  |  |  |  |  |
Number of Years |  | 20 kim_NumberOfYears / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = kim_KRSMember / us-gaap_StatementScenarioAxis = kim_DeterminationOfFutureProjectedIncomeMember |  |  |  |
KRS [Member] |  |  |  |  |  |
Note 21 - Income Taxes (Details) [Line Items] |  |  |  |  |  |
Deferred Tax Assets, Operating Loss Carryforwards |  | 19,800,000 us-gaap_DeferredTaxAssetsOperatingLossCarryforwards / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = kim_KRSMember |  |  |  |
Deferred Tax Assets, Tax Credit Carryforwards, General Business |  | 1,500,000 us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsGeneralBusiness / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = kim_KRSMember |  |  |  |
Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax |  | 2,400,000 us-gaap_DeferredTaxAssetsTaxCreditCarryforwardsAlternativeMinimumTax / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = kim_KRSMember |  |  |  |
Taxable Income |  | 27,400,000 kim_TaxableIncome / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = kim_KRSMember |  |  |  |
Operating Loss Carryforwards |  | 72,800,000 us-gaap_OperatingLossCarryforwards / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = kim_KRSMember |  | 10,000,000 us-gaap_OperatingLossCarryforwards / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = kim_KRSMember |  |
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration |  |  |  | 64,300,000 us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = kim_KRSMember |  |
Deferred Tax Assets, Net of Valuation Allowance |  | 65,500,000 us-gaap_DeferredTaxAssetsNet / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = kim_KRSMember |  |  |  |
FNC Realty Corporation [Member] | Net [Member] |  |  |  |  |  |
Note 21 - Income Taxes (Details) [Line Items] |  |  |  |  |  |
Deferred Tax Assets, Operating Loss Carryforwards |  | 6,300,000 us-gaap_DeferredTaxAssetsOperatingLossCarryforwards / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = kim_FNCRealtyCorporationMember / us-gaap_StatementScenarioAxis = kim_NetMember |  |  |  |
FNC Realty Corporation [Member] |  |  |  |  |  |
Note 21 - Income Taxes (Details) [Line Items] |  |  |  |  |  |
Deferred Tax Assets, Operating Loss Carryforwards |  |  |  | 42,500,000 us-gaap_DeferredTaxAssetsOperatingLossCarryforwards / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = kim_FNCRealtyCorporationMember |  |
Deferred Tax Assets, Valuation Allowance |  | 25,000,000 us-gaap_DeferredTaxAssetsValuationAllowance / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = kim_FNCRealtyCorporationMember |  |  |  |
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration |  | 94,400,000 us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = kim_FNCRealtyCorporationMember |  | 108,400,000 us-gaap_DeferredTaxAssetsOperatingLossCarryforwardsSubjectToExpiration / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = kim_FNCRealtyCorporationMember |  |
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount |  |  |  | (8,700,000)us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount / us-gaap_RelatedPartyTransactionsByRelatedPartyAxis = kim_FNCRealtyCorporationMember |  |
Foreign Tax Authority [Member] | Canada and Latin America [Member] |  |  |  |  |  |
Note 21 - Income Taxes (Details) [Line Items] |  |  |  |  |  |
Deferred Tax Liabilities, Net |  | 5,500,000 us-gaap_DeferredTaxLiabilities / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember / us-gaap_StatementGeographicalAxis = kim_CanadaAndLatinAmericaMember |  |  |  |
Foreign Tax Authority [Member] |  |  |  |  |  |
Note 21 - Income Taxes (Details) [Line Items] |  |  |  |  |  |
Deferred Tax Assets, Net |  | 1,300,000 us-gaap_DeferredTaxAssetsLiabilitiesNet / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |  |  |  |
Deferred Tax Assets, Valuation Allowance |  | 9,300,000 us-gaap_DeferredTaxAssetsValuationAllowance / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |  |  |  |
Deferred Tax Liabilities, Net |  | 6,800,000 us-gaap_DeferredTaxLiabilities / us-gaap_IncomeTaxAuthorityAxis = us-gaap_ForeignCountryMember |  |  |  |
Related Parties [Member] |  |  |  |  |  |
Note 21 - Income Taxes (Details) [Line Items] |  |  |  |  |  |
Deferred Tax Assets, Other Loss Carryforwards |  | 3,800,000 us-gaap_DeferredTaxAssetsOtherLossCarryforwards / us-gaap_RelatedPartyTransactionAxis = kim_RelatedPartiesMember |  |  |  |
Statute of Limitations [Member] | Minimum [Member] |  |  |  |  |  |
Note 21 - Income Taxes (Details) [Line Items] |  |  |  |  |  |
Number of Years |  | 3 kim_NumberOfYears / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_StatementScenarioAxis = kim_StatuteOfLimitationsMember |  |  |  |
Statute of Limitations [Member] | Maximum [Member] |  |  |  |  |  |
Note 21 - Income Taxes (Details) [Line Items] |  |  |  |  |  |
Number of Years |  | 7 kim_NumberOfYears / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_StatementScenarioAxis = kim_StatuteOfLimitationsMember |  |  |  |
Latin America [Member] |  |  |  |  |  |
Note 21 - Income Taxes (Details) [Line Items] |  |  |  |  |  |
Deferred Tax Assets, Valuation Allowance |  | 9,300,000 us-gaap_DeferredTaxAssetsValuationAllowance / us-gaap_StatementGeographicalAxis = us-gaap_LatinAmericaMember |  |  |  |
Deferred Tax Assets, Net of Valuation Allowance |  | 9,500,000 us-gaap_DeferredTaxAssetsNet / us-gaap_StatementGeographicalAxis = us-gaap_LatinAmericaMember |  |  |  |
CANADA |  |  |  |  |  |
Note 21 - Income Taxes (Details) [Line Items] |  |  |  |  |  |
Unrecognized Tax Benefits, Decrease Resulting from Current Period Tax Positions |  |  |  | 12,300,000 us-gaap_UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions / us-gaap_StatementGeographicalAxis = country_CA |  |
Unrecognized Tax Benefits |  | 10,400,000 us-gaap_UnrecognizedTaxBenefits / us-gaap_StatementGeographicalAxis = country_CA |  |  |  |
Parent Company [Member] |  |  |  |  |  |
Note 21 - Income Taxes (Details) [Line Items] |  |  |  |  |  |
Deferred Tax Assets, Tax Credit Carryforwards |  | 3,900,000 us-gaap_DeferredTaxAssetsTaxCreditCarryforwards / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |  |
Deferred Tax Assets, Capital Loss Carryforwards |  | $ 4,000,000 us-gaap_DeferredTaxAssetsCapitalLossCarryforwards / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |  |  |
[1] | This amount was reclassified against the related deferred tax asset relating to the Company's early adoption of ASU 2013-11 as discussed above.

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