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MORTGAGE AND OTHER INDEBTEDNESS - Additional Information (Details)	1 Months Ended	3 Months Ended
	Jul. 31, 2022 USD ($) extension	Mar. 31, 2024 USD ($) extension	Dec. 31, 2023 USD ($)
Debt Instrument [Line Items]
Gross debt		$ 3,151,673,000	$ 2,802,941,000
Percentage bearing fixed interest, amount		2,300,000,000
Percentage bearing variable interest, amount		$ 836,400,000
Unsecured revolving line of credit
Debt Instrument [Line Items]
Interest rate (as a percent)		6.49%	6.58%
Gross debt		$ 0	$ 0
Number of extension options | extension		2
Extension period (in years)		6 months
Unsecured revolving line of credit | SOFR
Debt Instrument [Line Items]
Reduction of interest rate margin upon achievement of sustainability metric		0.0001
Unsecured revolving line of credit | Kite Realty Group, L.P.
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 (in years)	6 months	6 months
Unsecured revolving line of credit | Kite Realty Group, L.P. | SOFR
Debt Instrument [Line Items]
Credit spread, increase (as a percent)	0.10%	0.10%
Fixed Rate Debt
Debt Instrument [Line Items]
Long-term debt, fair value		$ 2,200,000,000
Fixed Rate Debt | Minimum
Debt Instrument [Line Items]
Fixed interest rate (as a percent)		5.75%
Fixed Rate Debt | Maximum
Debt Instrument [Line Items]
Fixed interest rate (as a percent)		7.11%
Variable Rate Debt
Debt Instrument [Line Items]
Long-term debt, fair value		$ 839,900,000
Variable Rate Debt | Minimum
Debt Instrument [Line Items]
Variable interest rate (as a percent)		6.48%
Variable Rate Debt | Maximum
Debt Instrument [Line Items]
Variable interest rate (as a percent)		7.33%
Mortgages payable
Debt Instrument [Line Items]
Scheduled principal payments		$ 1,300,000
Gross debt		152,038,000	153,306,000
Mortgages payable | Fixed Rate Debt
Debt Instrument [Line Items]
Gross debt		$ 135,638,000	$ 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		$ 16,400,000	$ 17,000,000
Senior unsecured notes
Debt Instrument [Line Items]
April 2024 through December 2024		269,600,000
Gross debt		2,179,635,000	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%
Gross debt		$ 149,635,000	$ 149,635,000
Unsecured term loans
Debt Instrument [Line Items]
Gross debt		$ 820,000,000	$ 820,000,000
Unsecured term loans | Unsecured term loan due 2029
Debt Instrument [Line Items]
Interest rate (as a percent)		3.82%	3.82%
Gross debt		$ 300,000,000	$ 300,000,000
Unsecured term loans | Unsecured term loan due 2029 | SOFR
Debt Instrument [Line Items]
Gross debt		$ 300,000,000
Fixed interest rate (as a percent)		2.47%
Variable interest rate (as a percent)		1.35%	1.35%
Unsecured term loans | Unsecured term loan due 2029 | Kite Realty Group, L.P.
Debt Instrument [Line Items]
Principal amount of debt issued	$ 300,000,000
Debt instrument term (in years)	7 years
Gross debt		$ 300,000,000
Unsecured term loans | Unsecured term loan due 2029 | Kite Realty Group, L.P. | SOFR
Debt Instrument [Line Items]
Credit spread, increase (as a percent)		0.10%
Reduction of interest rate margin upon achievement of sustainability metric		0.0001
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
Unsecured term loans | $120M unsecured term loan | SOFR
Debt Instrument [Line Items]
Gross debt		$ 120,000,000
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 | Kite Realty Group, L.P.
Debt Instrument [Line Items]
Gross debt		$ 120,000,000
Maximum borrowing capacity		$ 250,000,000
Unsecured term loans | $120M unsecured term loan | Kite Realty Group, L.P. | SOFR
Debt Instrument [Line Items]
Credit spread, increase (as a percent)		0.10%
Unsecured term loans | Unsecured term loan due 2025
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 (in years)		1 year
Unsecured term loans | Unsecured term loan due 2025 | SOFR
Debt Instrument [Line Items]
Gross debt		$ 250,000,000
Fixed interest rate (as a percent)		5.09%
Unsecured term loans | Unsecured term loan due 2025 | Kite Realty Group, L.P.
Debt Instrument [Line Items]
Gross debt		$ 250,000,000
Number of extension options | extension		3
Extension period (in years)		1 year
Maximum borrowing capacity		$ 300,000,000
Unsecured term loans | Unsecured term loan due 2025 | Kite Realty Group, L.P. | SOFR
Debt Instrument [Line Items]
Credit spread, increase (as a percent)		0.10%
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
Unsecured term loans | $150M unsecured term loan | SOFR
Debt Instrument [Line Items]
Gross debt		$ 150,000,000
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
Maximum borrowing capacity		$ 250,000,000
Unsecured term loans | $150M unsecured term loan | Kite Realty Group, L.P. | SOFR
Debt Instrument [Line Items]
Credit spread, increase (as a percent)		0.10%
Reduction of interest rate margin upon achievement of sustainability metric		0.0001

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