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v3.21.1

Impact of COVID-19 (Details) - Subsequent Event $ in Millions | May 06, 2021 USD ($) tenant
--- | ---
Unusual or Infrequent Item, or Both [Line Items] |
Rent billings collected (as a percent) | 97.00%
Number of tenants | tenant | 180
Rental income outstanding | $ | $ 3.3

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- Definition COVID-19, Lessor, Operating Lease, Deferred Lease Income + References No definition available. + Details
Name: | krg_COVID19LessorOperatingLeaseDeferredLeaseIncome
Namespace Prefix: | krg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition COVID-19, Lessor, Operating Lease, Deferred Rent Agreement, Number Of Tenants + References No definition available. + Details
Name: | krg_COVID19LessorOperatingLeaseDeferredRentAgreementNumberOfTenants
Namespace Prefix: | krg_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- Definition COVID-19, Rent Billings Collected, Percent + References No definition available. + Details
Name: | krg_COVID19RentBillingsCollectedPercent
Namespace Prefix: | krg_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_UnusualOrInfrequentItemLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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