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MORTGAGE AND OTHER INDEBTEDNESS - Additional Information (Details) | 1 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jul. 31, 2024 USD ($) | Jul. 31, 2022 USD ($) extension | Jun. 30, 2024 USD ($) extension | Jun. 30, 2023 USD ($) | Dec. 31, 2023 USD ($)
Debt Instrument [Line Items] |  |  |  |  |
Repayment of long-term debt |  |  | $ 192,180,000 | $ 361,162,000 |
Gross debt |  |  | 3,000,761,000 |  | $ 2,802,941,000
Percentage bearing fixed interest, amount |  |  | 2,200,000,000 |  |
Percentage bearing variable interest, amount |  |  | $ 835,800,000 |  |
Unsecured Revolving Line of Credit |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  |  | 6.48% |  | 6.58%
Gross debt |  |  | $ 0 |  | $ 0
Number of extension options | extension |  |  | 2 |  |
Extension period |  |  | 6 months |  |
Reduction of interest rate margin upon achievement of sustainability metric |  |  | 0.0001 |  |
Kite Realty Group, L.P. |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Repayment of long-term debt |  |  | $ 192,180,000 | $ 361,162,000 |
Kite Realty Group, L.P. | Unsecured Revolving Line of Credit |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Line of credit, aggregate borrowing capacity |  | $ 1,100,000,000 | $ 1,100,000,000 |  |
Line of credit, accordion feature, increase limit |  | 600,000,000 |  |  |
Line of credit, accordion feature, maximum borrowing capacity |  | $ 2,000,000,000 |  |  |
Number of extension options | extension |  | 2 | 2 |  |
Extension period |  | 6 months | 6 months |  |
Variable interest rate, type [Extensible enumeration] |  | Secured Overnight Financing Rate (SOFR) [Member] | Secured Overnight Financing Rate (SOFR) [Member] |  |
Credit spread, increase (as a percent) |  | 0.10% | 0.10% |  |
Fixed Rate Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Long-term debt, fair value |  |  | $ 2,100,000,000 |  |
Fixed Rate Debt | Minimum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Fixed interest rate (as a percent) |  |  | 5.82% |  |
Fixed Rate Debt | Maximum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Fixed interest rate (as a percent) |  |  | 7.02% |  |
Variable Rate Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Long-term debt, fair value |  |  | $ 841,800,000 |  |
Variable Rate Debt | Minimum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Variable interest rate (as a percent) |  |  | 6.49% |  |
Variable Rate Debt | Maximum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Variable interest rate (as a percent) |  |  | 6.54% |  |
Mortgages Payable |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Scheduled principal payments |  |  | $ 2,600,000 |  |
Gross debt |  |  | 150,761,000 |  | 153,306,000
Mortgages Payable | Fixed Rate Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Gross debt |  |  | $ 134,961,000 |  | $ 136,306,000
Mortgages Payable | Fixed Rate Debt | Minimum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  |  | 3.75% |  | 3.75%
Mortgages Payable | Fixed Rate Debt | Maximum |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  |  | 5.73% |  | 5.73%
Mortgages Payable | Variable Rate Debt |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Gross debt |  |  | $ 15,800,000 |  | $ 17,000,000
Variable interest rate, type [Extensible enumeration] |  |  | Bloomberg Short Term Bank Yield Index [Member] |  | Bloomberg Short Term Bank Yield Index [Member]
Variable interest rate (as a percent) |  |  | 5.39% |  | 5.44%
Senior Unsecured Notes |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Gross debt |  |  | $ 2,030,000,000 |  | $ 1,829,635,000
Senior Unsecured Notes | Senior Notes - 5.50% Due 2034 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Principal amount of debt issued |  |  | $ 350,000,000 |  |
Interest rate (as a percent) |  |  | 5.50% |  |
Interest rate, percentage of principal amount (as a percent) |  |  | 0.98670 |  |
Effective interest rate (as a percent) |  |  | 5.673% |  |
Gross debt |  |  | $ 350,000,000 |  | $ 0
Senior Unsecured Notes | Senior Notes - 4.58% Due 2024 |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  |  | 4.58% |  | 4.58%
Repayment of long-term debt |  |  | $ 149,600,000 |  |
Gross debt |  |  |  |  | $ 149,635,000
Unsecured Term Loans |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Gross debt |  |  | $ 820,000,000 |  | $ 820,000,000
Unsecured Term Loans | $120M Unsecured Term Loan |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  |  | 2.68% |  | 2.68%
Gross debt |  |  | $ 120,000,000 |  | $ 120,000,000
Variable interest rate, type [Extensible enumeration] |  |  | Secured Overnight Financing Rate (SOFR) [Member] |  | Secured Overnight Financing Rate (SOFR) [Member]
Fixed interest rate (as a percent) |  |  | 1.58% |  |
Variable interest rate (as a percent) |  |  | 1.10% |  | 1.10%
Unsecured Term Loans | $120M Unsecured Term Loan | Subsequent Event |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Repayment of long-term debt | $ 120,000,000 |  |  |  |
Unsecured Term Loans | $120M Unsecured Term Loan | Kite Realty Group, L.P. |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Gross debt |  |  | $ 120,000,000 |  |
Variable interest rate, type [Extensible enumeration] |  |  | Secured Overnight Financing Rate (SOFR) [Member] |  |
Credit spread, increase (as a percent) |  |  | 0.10% |  |
Maximum borrowing capacity |  |  | $ 250,000,000 |  |
Unsecured Term Loans | $300M Unsecured Term Loan |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  |  | 3.82% |  | 3.82%
Gross debt |  |  | $ 300,000,000 |  | $ 300,000,000
Variable interest rate, type [Extensible enumeration] |  |  | Secured Overnight Financing Rate (SOFR) [Member] |  | Secured Overnight Financing Rate (SOFR) [Member]
Fixed interest rate (as a percent) |  |  | 2.47% |  |
Variable interest rate (as a percent) |  |  | 1.35% |  | 1.35%
Unsecured Term Loans | $300M Unsecured Term Loan | Kite Realty Group, L.P. |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Principal amount of debt issued |  | $ 300,000,000 |  |  |
Gross debt |  |  | $ 300,000,000 |  |
Debt instrument term (in years) |  | 7 years |  |  |
Variable interest rate, type [Extensible enumeration] |  |  | Secured Overnight Financing Rate (SOFR) [Member] |  |
Credit spread, increase (as a percent) |  |  | 0.10% |  |
Reduction of interest rate margin upon achievement of sustainability metric |  |  | 0.0001 |  |
Unsecured Term Loans | $250M Unsecured Term Loan |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  |  | 5.09% |  | 5.09%
Gross debt |  |  | $ 250,000,000 |  | $ 250,000,000
Number of extension options | extension |  |  | 3 |  |
Extension period |  |  | 1 year |  |
Variable interest rate, type [Extensible enumeration] |  |  | Secured Overnight Financing Rate (SOFR) [Member] |  |
Fixed interest rate (as a percent) |  |  | 5.09% |  |
Unsecured Term Loans | $250M Unsecured Term Loan | Kite Realty Group, L.P. |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Gross debt |  |  | $ 250,000,000.0 |  |
Number of extension options | extension |  |  | 3 |  |
Extension period |  |  | 1 year |  |
Variable interest rate, type [Extensible enumeration] |  |  | Secured Overnight Financing Rate (SOFR) [Member] |  |
Credit spread, increase (as a percent) |  |  | 0.10% |  |
Maximum borrowing capacity |  |  | $ 300,000,000.0 |  |
Unsecured Term Loans | $150M Unsecured Term Loan |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Interest rate (as a percent) |  |  | 2.73% |  | 2.73%
Gross debt |  |  | $ 150,000,000 |  | $ 150,000,000
Variable interest rate, type [Extensible enumeration] |  |  | Secured Overnight Financing Rate (SOFR) [Member] |  | Secured Overnight Financing Rate (SOFR) [Member]
Fixed interest rate (as a percent) |  |  | 1.68% |  |
Variable interest rate (as a percent) |  |  | 1.05% |  | 1.05%
Unsecured Term Loans | $150M Unsecured Term Loan | Kite Realty Group, L.P. |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |
Gross debt |  |  | $ 150,000,000 |  |
Variable interest rate, type [Extensible enumeration] |  |  | Secured Overnight Financing Rate (SOFR) [Member] |  |
Credit spread, increase (as a percent) |  |  | 0.10% |  |
Reduction of interest rate margin upon achievement of sustainability metric |  |  | 0.0001 |  |
Maximum borrowing capacity |  |  | $ 250,000,000 |  |

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