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Note 21 - Income Taxes - Uncertain Tax Benefits Liability (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017
Balance at January 1, |  | $ 3,991 | $ 4,962
Changes in tax positions related to current year (1) | [1] | (250) | 339
Reductions due to lapsed statute of limitations |  | (935) | (1,310)
Balance at December 31, |  | $ 2,806 | $ 3,991
[1] | Amounts relate to increases/(decreases) from foreign currency translation adjustments.

X
- Definition Amount of increase (decrease) in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return. + References No definition available. + Details
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Namespace Prefix: | kim_
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Balance Type: | credit
Period Type: | duration

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- Definition Amount of unrecognized tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 10B -URI http://asc.fasb.org/extlink&oid=84176650&loc=SL37586934-109318 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319 + Details
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Period Type: | instant

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- Definition Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a)(4) -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319 + Details
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