XML 136 R63.htm IDEA: XBRL DOCUMENT v2.4.1.9
Note 1 - Summary of Significant Accounting Policies (Details) (USD $)
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]      
Economic Interest 100.00%kim_EconomicInterest    
Financing Receivable, Past Due, Term 90 days    
Number of Portfolio Segments 1kim_NumberOfPortfolioSegments    
Capitalized Computer Software, Net (in Dollars) $ 24,000,000us-gaap_CapitalizedComputerSoftwareNet $ 28,200,000us-gaap_CapitalizedComputerSoftwareNet  
Capitalized Computer Software, Amortization (in Dollars) 9,200,000us-gaap_CapitalizedComputerSoftwareAmortization 7,600,000us-gaap_CapitalizedComputerSoftwareAmortization 5,500,000us-gaap_CapitalizedComputerSoftwareAmortization
Allowance for Doubtful Accounts Receivable (in Dollars) 10,400,000us-gaap_AllowanceForDoubtfulAccountsReceivable 10,800,000us-gaap_AllowanceForDoubtfulAccountsReceivable  
Unrecoverable Straight-line Rent Receivable (in Dollars) 22,900,000kim_UnrecoverableStraightLineRentReceivable 23,400,000kim_UnrecoverableStraightLineRentReceivable  
Amount of Ineffectiveness on Net Investment Hedges (in Dollars) $ 0us-gaap_AmountOfIneffectivenessOnNetInvestmentHedges $ 0us-gaap_AmountOfIneffectivenessOnNetInvestmentHedges $ 0us-gaap_AmountOfIneffectivenessOnNetInvestmentHedges
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in Shares) 7,137,120us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 10,950,388us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 11,159,160us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Potential Adjustment [Member]      
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]      
Number of Years 1kim_NumberOfYears
/ kim_DisclosureAxis
= kim_PotentialAdjustmentMember		    
Construction Completion [Member]      
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]      
Number of Years 1kim_NumberOfYears
/ kim_DisclosureAxis
= kim_ConstructionCompletionMember		    
After Issuance [Member]      
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]      
Number of Years 1kim_NumberOfYears
/ kim_DisclosureAxis
= kim_AfterIssuanceMember		    
First Half [Member] | Restricted Stock [Member] | iii [Member]      
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Percent Vested 50.00%kim_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentVested
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ kim_DisclosureAxis
= kim_FirstHalfMember
/ us-gaap_VestingAxis
= kim_iiiMember		    
Second Half [Member] | Restricted Stock [Member] | iii [Member]      
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 2 years    
Share-based Compensation Arrangement by Share-based Payment Award, Percent Vested 50.00%kim_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentVested
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ kim_DisclosureAxis
= kim_SecondHalfMember
/ us-gaap_VestingAxis
= kim_iiiMember		    
Largest [Member]      
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]      
Number of Tenants 5kim_NumberOfTenants
/ kim_StandardAxis
= kim_LargestMember		    
Building and Building Improvements [Member] | Maximum [Member]      
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]      
Property, Plant and Equipment, Useful Life 50 years    
Building and Building Improvements [Member] | Minimum [Member]      
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]      
Property, Plant and Equipment, Useful Life 15 years    
Prior Plan [Member]      
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in Shares) 47,000,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
/ us-gaap_AwardTypeAxis
= kim_PriorPlanMember		    
The 2010 Plan [Member]      
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized (in Shares) 10,000,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
/ us-gaap_AwardTypeAxis
= kim_The2010PlanMember		    
Employee Stock Option [Member] | Maximum [Member]      
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 5 years    
Employee Stock Option [Member] | Minimum [Member]      
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 3 years    
Employee Stock Option [Member]      
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Award Expiration Period 10kim_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardExpirationPeriod
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember		    
Restricted Stock [Member] | i [Member]      
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Percent Vested 100.00%kim_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentVested
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_VestingAxis
= kim_iMember		    
Restricted Stock [Member] | ii [Member] | Maximum [Member]      
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 4 years    
Restricted Stock [Member] | ii [Member] | Minimum [Member]      
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 3 years    
Restricted Stock [Member] | iii [Member]      
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 3 years    
Restricted Stock [Member] | iv [Member]      
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 10 years    
Share-based Compensation Arrangement by Share-based Payment Award, Percent Vested 20.00%kim_ShareBasedCompensationArrangementByShareBasedPaymentAwardPercentVested
/ us-gaap_AwardTypeAxis
= us-gaap_RestrictedStockMember
/ us-gaap_VestingAxis
= kim_IVMember		    
TJX Companies [Member] | Base Rental Revenue [Member]      
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]      
Concentration Risk, Percentage 3.30%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByTypeAxis
= kim_BaseRentalRevenueMember
/ us-gaap_MajorCustomersAxis
= kim_TJXCompaniesMember		    
The Home Depot [Member] | Base Rental Revenue [Member]      
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]      
Concentration Risk, Percentage 2.40%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByTypeAxis
= kim_BaseRentalRevenueMember
/ us-gaap_MajorCustomersAxis
= kim_TheHomeDepotMember		    
Wal-Mart [Member] | Base Rental Revenue [Member]      
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]      
Concentration Risk, Percentage 1.80%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByTypeAxis
= kim_BaseRentalRevenueMember
/ us-gaap_MajorCustomersAxis
= kim_WalMartMember		    
Khol's [Member] | Base Rental Revenue [Member]      
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]      
Concentration Risk, Percentage 1.80%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByTypeAxis
= kim_BaseRentalRevenueMember
/ us-gaap_MajorCustomersAxis
= kim_KholsMember		    
Bed Bath & Beyond [Member] | Base Rental Revenue [Member]      
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]      
Concentration Risk, Percentage 1.80%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByTypeAxis
= kim_BaseRentalRevenueMember
/ us-gaap_MajorCustomersAxis
= kim_BedBathBeyondMember		    
Computer Software, Intangible Asset [Member] | Maximum [Member]      
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]      
Finite-Lived Intangible Asset, Useful Life 5 years    
Computer Software, Intangible Asset [Member] | Minimum [Member]      
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]      
Finite-Lived Intangible Asset, Useful Life 3 years    
Maximum [Member]      
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]      
Noncontrolling Interest, Ownership Percentage by Parent 100.00%us-gaap_MinorityInterestOwnershipPercentageByParent
/ us-gaap_RangeAxis
= us-gaap_MaximumMember		    
Base Rental Revenue [Member]      
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]      
Concentration Risk, Percentage 1.80%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByTypeAxis
= kim_BaseRentalRevenueMember		    
Gross Leasable Area [Member]      
Note 1 - Summary of Significant Accounting Policies (Details) [Line Items]      
Concentration Risk, Percentage 1.40%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByTypeAxis
= kim_GrossLeasableAreaMember