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MORTGAGE AND OTHER INDEBTEDNESS - Schedule of Debt Discounts and Premiums (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2024 | Mar. 31, 2023
Debt Disclosure [Abstract] |  |
Amortization of debt discounts, premiums and hedge instruments | $ 3,756 | $ 5,003

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- Definition Amortization of Debt Discounts, Premiums and Hedge Instruments + References No definition available. + Details
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Namespace Prefix: | krg_
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Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
Period Type: | duration