The interest rate for investments that have an interest rate. For fixed rate investments, this indicates the fixed interest rate. If the investment has a variable interest rate, the rate stated here may be the rate that is currently relevant. In this case the "Investment, Interest Rate is Current Rate for Variable Rate Investment Flag", "Investment, Interest Rate is Discount Rate at Purchase Flag", "Investment, Interest Rate Reflects Current Yield Flag" should be used. If one of these flags are not appropriate to explain the interest rate that is indicated, then a new flag should be added or an explanation should be included in "Investment, Additional Information".

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Article 12
-Section 12
-Sentence Column A

+ Details

Name:	invest_InvestmentInterestRate
Namespace Prefix:	invest_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

The number of non-controlling units redeemed during the period.

+ References

No definition available.

+ Details

Name:	kim_NonControllingInterestUnitsRedeemed
Namespace Prefix:	kim_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents number of operating property acquired.

+ References

No definition available.

+ Details

Name:	kim_NumberOfOperatingPropertyAcquired
Namespace Prefix:	kim_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	duration

- Definition

Represents the percentage of ownership interest in a joint venture.

+ References

No definition available.

+ Details

Name:	kim_OwnershipInterestInJointVenturePercentage
Namespace Prefix:	kim_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The fair value remeasurement of redeemable partnership interests.

+ References

No definition available.

+ Details

Name:	kim_RedeemableNonControllingInterestIssuanceAmountFairValueRemeasurement
Namespace Prefix:	kim_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount of equity impact of cash distribution declared to unit-holder of limited partnership (LP).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70434-108055

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 272
-SubTopic 10
-Section 50
-Paragraph 3
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6373374&loc=d3e70478-108055

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

+ Details

Name:	us-gaap_DistributionMadeToLimitedPartnerCashDistributionsDeclared
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The cash outflow for reacquisition of callable preferred stock.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585

+ Details

Name:	us-gaap_PaymentsForRepurchaseOfRedeemablePreferredStock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(28))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

Name:	us-gaap_PreferredStockParOrStatedValuePerShare
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_CapitalUnitsByClassAxis=kim_PreferredAUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=kim_KIMLincolnLLCMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	dei_LegalEntityAxis=kim_LincolnSquarePropertyLPMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Note 10 - Redeemable Noncontrolling Interests (Details Textual) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended	6 Months Ended	12 Months Ended
	Jul. 27, 2017	Jun. 30, 2017	Dec. 31, 2006	Dec. 31, 2016
Redeemable Non-controlling Interest, Issuance Amount, Fair Value Remeasurement		$ 1.0
Preferred Stock, Par or Stated Value Per Share		$ 1		$ 1
Preferred A Units [Member]
Distribution Made to Limited Partner, Cash Distributions Declared	$ 0.4
Preferred Stock, Par or Stated Value Per Share			$ 1
Investment Interest Rate			5.00%
Number of Operating Property Acquired			7
Preferred A Units [Member] \| Subsequent Event [Member]
Non-controlling Interest, Units Redeemed	79,642,697
Payments for Repurchase of Redeemable Preferred Stock	$ 79.9
KIM Lincoln, LLC [Member]
Ownership Interest in Joint Venture, Percentage		90.00%
Lincoln Square Property, LP [Member]
Ownership Interest in Joint Venture, Percentage		10.00%