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MORTGAGE AND OTHER INDEBTEDNESS - Additional Information (Details)			1 Months Ended					12 Months Ended
	Apr. 01, 2022	Mar. 17, 2021 $ / shares	Dec. 31, 2022 USD ($) extension	Jul. 31, 2022 USD ($) extension	Oct. 31, 2021 USD ($)	Mar. 31, 2021 USD ($) day $ / shares	Aug. 31, 2015 USD ($)	Dec. 31, 2022 USD ($) extension	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Jul. 29, 2022 USD ($)	Mar. 31, 2022 USD ($)	Oct. 22, 2021 USD ($)	Oct. 31, 2018 USD ($)	Sep. 30, 2016 USD ($)
Debt Instrument [Line Items]
Debt			$ 2,978,256,000					$ 2,978,256,000	$ 3,092,225,000
Average maturity								4 years 2 months 12 days
Net proceeds from offering								$ 455,000,000	215,000,000	$ 325,000,000
Purchase of capped calls									9,800,000
Letters of credit outstanding			1,500,000					1,500,000
Letters of credit outstanding, amount advanced			0					0
Interest costs capitalized								2,400,000	1,600,000	1,500,000
Percentage bearing fixed interest, amount			2,100,000,000					2,100,000,000
Percentage bearing variable interest, amount			$ 848,300,000					848,300,000
Retail Properties of America, Inc.
Debt Instrument [Line Items]
Debt assumed in the merger													$ 1,848,476,000
Kite Realty Group, L.P.
Debt Instrument [Line Items]
Net proceeds from offering								$ 455,000,000	215,000,000	$ 325,000,000
Purchase of capped calls									$ 9,800,000
Unsecured revolving line of credit
Debt Instrument [Line Items]
Interest rate			5.56%					5.56%	1.20%
Debt			$ 0					$ 0	$ 55,000,000
Number of extension options | extension								2
Extension period								6 months
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]
Increase in line of credit facility				$ 250,000,000
Unsecured revolving line of credit				850,000,000
Line of credit facility, maximum borrowing capacity			1,100,000,000	1,100,000,000				$ 1,100,000,000
Increase limit				600,000,000
Line of credit facility, maximum borrowing capacity option				$ 2,000,000,000
Number of extension options | extension				2				2
Extension period				6 months				6 months
Unsecured revolving line of credit | Kite Realty Group, L.P. | SOFR
Debt Instrument [Line Items]
Basis spread on variable rate				0.10%				0.10%
Fixed rate debt
Debt Instrument [Line Items]
Long-term debt, fair value			$ 2,000,000,000					$ 2,000,000,000
Fixed rate debt | Minimum
Debt Instrument [Line Items]
Percentage bearing fixed interest			1.76%					1.76%
Fixed rate debt | Maximum
Debt Instrument [Line Items]
Percentage bearing fixed interest			7.67%					7.67%
Variable rate debt
Debt Instrument [Line Items]
Long-term debt, fair value			$ 851,800,000					$ 851,800,000
Variable rate debt | Minimum
Debt Instrument [Line Items]
Percentage bearing fixed interest			5.41%					5.41%
Variable rate debt | Maximum
Debt Instrument [Line Items]
Percentage bearing fixed interest			6.36%					6.36%
Mortgages payable
Debt Instrument [Line Items]
Repayments of debt								$ 155,200,000
Interest rate			4.31%					4.31%
Scheduled principal payments								$ 3,800,000
Debt			$ 233,621,000					233,621,000	392,590,000
Mortgages payable | Fixed rate debt
Debt Instrument [Line Items]
Debt			$ 205,328,000					$ 205,328,000	$ 363,577,000
Average maturity								1 year 4 months 24 days	1 year 8 months 12 days
Mortgages payable | Fixed rate debt | Minimum
Debt Instrument [Line Items]
Interest rate			3.75%					3.75%	3.75%
Mortgages payable | Fixed rate debt | Maximum
Debt Instrument [Line Items]
Interest rate			5.73%					5.73%	5.73%
Mortgages payable | Variable rate debt
Debt Instrument [Line Items]
Debt			$ 28,293,000					$ 28,293,000	$ 29,013,000
Average maturity								7 months 6 days	1 month 6 days
Mortgages payable | Variable rate debt | LIBOR
Debt Instrument [Line Items]
Credit spread	1.60%
Senior unsecured notes
Debt Instrument [Line Items]
Debt			1,924,635,000					$ 1,924,635,000	$ 1,924,635,000
Senior unsecured notes | Private Placement Notes | Kite Realty Group, L.P.
Debt Instrument [Line Items]
Interest rate							4.41%
Debt							$ 250,000,000
Average maturity							9 years 9 months 18 days
Redemption price, percentage								100.00%
Senior unsecured notes | Private Placement Notes | Kite Realty Group, L.P. | Minimum
Debt Instrument [Line Items]
Minimum percentage of principal amount available to be redeemed								5.00%
Senior unsecured notes | Private Placement Notes | Kite Realty Group, L.P. | Retail Properties of America, Inc.
Debt Instrument [Line Items]
Debt assumed in the merger					$ 450,000,000
Senior unsecured notes | Public Placement Notes | Kite Realty Group, L.P.
Debt Instrument [Line Items]
Redemption price, percentage								100.00%
Redemption period, prior to maturity date								3 months
Senior unsecured notes | Public Placement Notes | Kite Realty Group, L.P. | Retail Properties of America, Inc.
Debt Instrument [Line Items]
Debt assumed in the merger					750,000,000
Senior unsecured notes | Senior notes – 4.00% due 2026 | Kite Realty Group, L.P.
Debt Instrument [Line Items]
Interest rate															4.00%
Principal amount of debt issued															$ 300,000,000
Senior exchangeable notes
Debt Instrument [Line Items]
Interest rate						0.75%
Net proceeds from offering						$ 169,700,000
Interest expense								$ 1,300,000	1,600,000
Exchangeable conversion ratio						0.0396628
Conversion price (in dollars per share) | $ / shares						$ 25.21
Exchange premium, percent of closing price						25.00%
Senior exchangeable notes | Common shares
Debt Instrument [Line Items]
Common stock closing price (in dollars per share) | $ / shares		$ 20.17
Senior exchangeable notes | Kite Realty Group, L.P.
Debt Instrument [Line Items]
Interest rate												0.75%
Redemption price, percentage						100.00%
Principal amount of debt issued												$ 175,000,000
Percentage of exchange price						130.00%
Trading days | day						20
Consecutive trading days | day						30
Senior exchangeable notes | Capped Call | Kite Realty Group, L.P.
Debt Instrument [Line Items]
Exchange premium, percent of closing price						50.00%
Exchange price (in dollars per share) | $ / shares						$ 30.26
Purchase of capped calls								9,800,000
Unsecured term loans
Debt Instrument [Line Items]
Debt			$ 820,000,000					$ 820,000,000	$ 720,000,000
Unsecured term loans | $120M unsecured term loan
Debt Instrument [Line Items]
Interest rate			2.68%					2.68%	2.88%
Debt			$ 120,000,000					$ 120,000,000	$ 120,000,000
Unsecured term loans | $120M unsecured term loan | SOFR
Debt Instrument [Line Items]
Debt			$ 120,000,000					$ 120,000,000
Percentage bearing fixed interest			1.58%					1.58%
Unsecured term loans | $120M unsecured term loan | LIBOR
Debt Instrument [Line Items]
Debt									$ 120,000,000
Percentage bearing fixed interest									1.68%
Unsecured term loans | $120M unsecured term loan | Minimum | SOFR
Debt Instrument [Line Items]
Credit spread								0.80%
Unsecured term loans | $120M unsecured term loan | Minimum | LIBOR
Debt Instrument [Line Items]
Credit spread									1.20%
Unsecured term loans | $120M unsecured term loan | Maximum | SOFR
Debt Instrument [Line Items]
Credit spread								1.65%
Unsecured term loans | $120M unsecured term loan | Maximum | LIBOR
Debt Instrument [Line Items]
Credit spread									1.70%
Unsecured term loans | $120M unsecured term loan | Kite Realty Group, L.P.
Debt Instrument [Line Items]
Debt			$ 120,000,000		120,000,000			$ 120,000,000					120,000,000
Line of credit facility, maximum borrowing capacity					250,000,000
Unsecured term loans | $120M unsecured term loan | Kite Realty Group, L.P. | SOFR
Debt Instrument [Line Items]
Basis spread on variable rate								0.10%
Unsecured term loans | $150M unsecured term loan
Debt Instrument [Line Items]
Interest rate			2.73%					2.73%	2.97%
Debt			$ 150,000,000					$ 150,000,000	$ 150,000,000
Unsecured term loans | $150M unsecured term loan | SOFR
Debt Instrument [Line Items]
Debt			$ 150,000,000					$ 150,000,000
Percentage bearing fixed interest			1.68%					1.68%
Unsecured term loans | $150M unsecured term loan | LIBOR
Debt Instrument [Line Items]
Debt									$ 150,000,000
Percentage bearing fixed interest									1.77%
Unsecured term loans | $150M unsecured term loan | Minimum | SOFR
Debt Instrument [Line Items]
Credit spread								0.75%
Unsecured term loans | $150M unsecured term loan | Minimum | LIBOR
Debt Instrument [Line Items]
Credit spread									1.20%
Unsecured term loans | $150M unsecured term loan | Maximum | SOFR
Debt Instrument [Line Items]
Credit spread								1.60%
Unsecured term loans | $150M unsecured term loan | Maximum | LIBOR
Debt Instrument [Line Items]
Credit spread									1.70%
Unsecured term loans | $150M unsecured term loan | Kite Realty Group, L.P.
Debt Instrument [Line Items]
Debt			$ 150,000,000		$ 150,000,000			$ 150,000,000					150,000,000
Unsecured term loans | $150M unsecured term loan | Kite Realty Group, L.P. | SOFR
Debt Instrument [Line Items]
Basis spread on variable rate								0.10%
Unsecured term loans | $200M unsecured term loan
Debt Instrument [Line Items]
Interest rate			0.00%					0.00%	4.10%
Debt			$ 0					$ 0	$ 200,000,000
Unsecured term loans | $200M unsecured term loan | LIBOR
Debt Instrument [Line Items]
Debt									$ 200,000,000
Percentage bearing fixed interest									2.85%
Unsecured term loans | $200M unsecured term loan | Minimum | LIBOR
Debt Instrument [Line Items]
Credit spread									1.20%
Unsecured term loans | $200M unsecured term loan | Maximum | LIBOR
Debt Instrument [Line Items]
Credit spread									1.85%
Unsecured term loans | $200M unsecured term loan | Kite Realty Group, L.P.
Debt Instrument [Line Items]
Principal amount of debt issued				$ 200,000,000							$ 200,000,000
Repayments of unsecured debt				200,000,000
Unsecured term loans | $250M unsecured term loan
Debt Instrument [Line Items]
Interest rate			5.09%					5.09%	5.09%
Debt			$ 250,000,000					$ 250,000,000	$ 250,000,000
Number of extension options | extension								3
Extension period								1 year
Unsecured term loans | $250M unsecured term loan | SOFR
Debt Instrument [Line Items]
Debt			$ 250,000,000					$ 250,000,000
Percentage bearing fixed interest			5.09%					5.09%
Unsecured term loans | $250M unsecured term loan | LIBOR
Debt Instrument [Line Items]
Debt									$ 250,000,000
Percentage bearing fixed interest									5.09%
Unsecured term loans | $250M unsecured term loan | Kite Realty Group, L.P.
Debt Instrument [Line Items]
Debt			$ 250,000,000					$ 250,000,000					$ 250,000,000
Line of credit facility, maximum borrowing capacity														$ 250,000,000
Number of extension options | extension			3
Extension period			1 year
Term loan, option to increase maximum borrowing capacity														$ 300,000,000
Unsecured term loans | $250M unsecured term loan | Kite Realty Group, L.P. | SOFR
Debt Instrument [Line Items]
Basis spread on variable rate								0.10%
Unsecured term loans | $300M unsecured term loan
Debt Instrument [Line Items]
Interest rate			4.05%					4.05%	0.00%
Debt			$ 300,000,000					$ 300,000,000	$ 0
Unsecured term loans | $300M unsecured term loan | SOFR
Debt Instrument [Line Items]
Debt			$ 300,000,000					$ 300,000,000
Percentage bearing fixed interest			2.70%					2.70%
Unsecured term loans | $300M unsecured term loan | Minimum | SOFR
Debt Instrument [Line Items]
Credit spread								1.15%
Unsecured term loans | $300M unsecured term loan | Maximum | SOFR
Debt Instrument [Line Items]
Credit spread								2.20%
Unsecured term loans | $300M unsecured term loan | Kite Realty Group, L.P.
Debt Instrument [Line Items]
Debt			$ 300,000,000					$ 300,000,000
Principal amount of debt issued				$ 300,000,000							$ 300,000,000
Debt instrument, term				7 years
Reduction of interest rate margin upon achievement of sustainability metric				0.0001	0.0001
Unsecured term loans | $300M unsecured term loan | Kite Realty Group, L.P. | SOFR
Debt Instrument [Line Items]
Basis spread on variable rate				0.10%				0.10%
Unsecured term loans | $300M unsecured term loan | Kite Realty Group, L.P. | Minimum | SOFR
Debt Instrument [Line Items]
Credit spread				1.15%
Unsecured term loans | $300M unsecured term loan | Kite Realty Group, L.P. | Maximum | SOFR
Debt Instrument [Line Items]
Credit spread				2.20%

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