XML 49 R37.htm IDEA: XBRL DOCUMENT
v3.10.0.1

Note 2 - Summary of Significant Accounting Policies (Details Textual) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017 | Jan. 01, 2018 | Dec. 31, 2017
Contract with Customer, Liability, Total |  | $ 0 |  | $ 0 |  |  |  |
Revenues, Total |  | 293,403 | $ 297,176 | 597,481 | $ 590,764 |  |  |
Disposal Group, Deferred Gain on Disposal |  |  |  |  |  |  | $ 8,100 |
Contract with Customer, Asset, Net, Total |  | 0 |  | 0 |  |  |  |
Other Rental Property Income [Member] |  |  |  |  |  |  |  |
Revenues, Total |  | $ 5,526 | $ 6,098 | 11,112 | $ 9,649 |  |  |
AOCI Attributable to Parent [Member] |  |  |  |  |  |  |  |
Available-for-sale Securities, Accumulated Gross Unrealized Loss, before Tax, Total |  |  |  |  |  |  | 1,100 |
Investments in and Advances to Real Estate Joint Ventures [Member] |  |  |  |  |  |  |  |
Disposal Group, Deferred Gain on Disposal |  |  |  |  |  |  | 6,900 |
Other Liabilities [Member] |  |  |  |  |  |  |  |
Disposal Group, Deferred Gain on Disposal |  |  |  |  |  |  | 1,200 |
Accounting Standards Update 2016-01 [Member] | Retained Earnings [Member] |  |  |  |  |  |  |  |
Cumulative Effect of New Accounting Principle in Period of Adoption |  |  |  |  |  | $ (1,100) | (1,136) | [1]
Accounting Standards Update 2017-05 [Member] |  |  |  |  |  |  |  |
Cumulative Effect of New Accounting Principle in Period of Adoption | [1] |  |  |  |  |  | 8,098 |
Accounting Standards Update 2017-05 [Member] | Gain on Sale of Operating Properties/ Change in Controls of Interests [Member] |  |  |  |  |  |  |  |
Deconsolidation, Gain (Loss), Amount |  |  |  | 6,800 |  |  |  |
Accounting Standards Update 2017-05 [Member] | Retained Earnings [Member] |  |  |  |  |  |  |  |
Cumulative Effect of New Accounting Principle in Period of Adoption |  |  |  |  |  | $ 8,100 | $ 8,098 | [1]
Three Months Ended June 30, 2017 [Member] | Reclassification of Reimbursement Income From Revenues From Rental Properties [Member] |  |  |  |  |  |  |  |
Prior Period Reclassification Adjustment |  |  |  | 61,000 |  |  |  |
Three Months Ended June 30, 2017 [Member] | Reclassification of Other Rental Property Income From Revenues From Properties [Member] |  |  |  |  |  |  |  |
Prior Period Reclassification Adjustment |  |  |  | 6,100 |  |  |  |
Six Months Ended June 30, 2017 [Member] | Reclassification of Reimbursement Income From Revenues From Rental Properties [Member] |  |  |  |  |  |  |  |
Prior Period Reclassification Adjustment |  |  |  | 119,100 |  |  |  |
Six Months Ended June 30, 2017 [Member] | Reclassification of Other Rental Property Income From Revenues From Properties [Member] |  |  |  |  |  |  |  |
Prior Period Reclassification Adjustment |  |  |  | 9,600 |  |  |  |
Six Months Ended June 30, 2017 [Member] | Reclassification of Tax Withholdings for Surrender of Restricted Common Stock From Net Cash Flow Provided by Operating Activiites to Net Cash Flow Used for Financing Activities [Member] |  |  |  |  |  |  |  |
Prior Period Reclassification Adjustment |  |  |  | 5,300 |  |  |  |
Reclassification of Personnel Costs Related to Property Management and Services From General Administrative to Operating and Maintenance [Member] | Three Months Ended June 30, 2017 [Member] |  |  |  |  |  |  |  |
Prior Period Reclassification Adjustment |  |  |  | 7,300 |  |  |  |
Reclassification of Personnel Costs Related to Property Management and Services From General Administrative to Operating and Maintenance [Member] | Six Months Ended June 30, 2017 [Member] |  |  |  |  |  |  |  |
Prior Period Reclassification Adjustment |  |  |  | $ 15,600 |  |  |  |
[1] | Represents the impact of change in accounting principles for its respective Accounting Standard Updates ("ASU"). See Footnote 2 of the Notes to Condensed Consolidated Financial Statements for additional disclosure.

X
- Definition Amount before tax of unrealized loss in accumulated other comprehensive income (AOCI) on investments in debt and equity securities classified as available-for-sale. + References No definition available. + Details
Name: | us-gaap_AvailableForSaleSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82913815&loc=SL49130531-203044 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130549-203045 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=82913815&loc=SL49130533-203044 + Details
Name: | us-gaap_ContractWithCustomerAssetNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82913815&loc=SL49130531-203044 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=82913815&loc=SL49130532-203044 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130549-203045 + Details
Name: | us-gaap_ContractWithCustomerLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption. + References No definition available. + Details
Name: | us-gaap_CumulativeEffectOfNewAccountingPrincipleInPeriodOfAdoption
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of gain (loss) from deconsolidation of subsidiary and derecognition of group of assets constituting transfer of business or nonprofit activity, excluding conveyance of oil and gas mineral rights and transfer of good or service in contract with customer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1B -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109239629&loc=SL4582445-111684 + Details
Name: | us-gaap_DeconsolidationGainOrLossAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The excess amount received or due over net assets in a transaction accounted for as a divestiture where a subsidiary, business or operating assets are "sold" by the entity to a newly formed, thinly capitalized, highly leveraged buyer. This gain is not yet recognized and is disclosed on the balance sheet as an offset against the carrying amount of the securities received. + References No definition available. + Details
Name: | us-gaap_DisposalGroupDeferredGainOnDisposal
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of a reclassification adjustment made to prior period financial statement amounts. + References No definition available. + Details
Name: | us-gaap_PriorPeriodReclassificationAdjustment
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8933-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=115929826&loc=d3e8736-108599 + Details
Name: | us-gaap_Revenues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | srt_ProductOrServiceAxis=kim_OtherRentalPropertyIncomeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_AccumulatedOtherComprehensiveIncomeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=kim_InvestmentsInAndAdvancesToRealEstateJointVenturesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BalanceSheetLocationAxis=us-gaap_OtherLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=us-gaap_AccountingStandardsUpdate201601Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementEquityComponentsAxis=us-gaap_RetainedEarningsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=us-gaap_AccountingStandardsUpdate201705Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_IncomeStatementLocationAxis=kim_GainOnSaleOfOperatingPropertiesChangeInControlsOfInterestsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreationDateAxis=kim_ThreeMonthsEndedJune302017Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=kim_ReclassificationOfReimbursementIncomeFromRevenuesFromRentalPropertiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=kim_ReclassificationOfOtherRentalPropertyIncomeFromRevenuesFromPropertiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_CreationDateAxis=kim_SixMonthsEndedJune302017Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=kim_ReclassificationOfTaxWithholdingsForSurrenderOfRestrictedCommonStockFromNetCashFlowProvidedByOperatingActiviitesToNetCashFlowUsedForFinancingActivitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AdjustmentsForChangeInAccountingPrincipleAxis=kim_ReclassificationOfPersonnelCostsRelatedToPropertyManagementAndServicesFromGeneralAdministrativeToOperatingAndMaintenanceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |