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Impact of COVID-19 (Details) - Subsequent Event $ in Millions | Aug. 06, 2021 USD ($) tenant
--- | ---
Unusual Risk or Uncertainty [Line Items] |
Rent billings collected (as a percent) | 98.00%
Number of tenants | tenant | 90
Rental income outstanding | $ | $ 2.1

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- Definition COVID-19, Lessor, Operating Lease, Deferred Lease Income + References No definition available. + Details
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Namespace Prefix: | krg_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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- Definition COVID-19, Lessor, Operating Lease, Deferred Rent Agreement, Number Of Tenants + References No definition available. + Details
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Namespace Prefix: | krg_
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Balance Type: | na
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- Definition COVID-19, Rent Billings Collected, Percent + References No definition available. + Details
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Balance Type: | na
Period Type: | duration

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- 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
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Namespace Prefix: | us-gaap_
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |