MORTGAGE AND OTHER INDEBTEDNESS - Summary of Unsecured Term Loans (Details)	3 Months Ended
	Mar. 31, 2024 USD ($) extension	Dec. 31, 2023 USD ($)
Debt Instrument [Line Items]
Gross debt	$ 3,151,673,000	$ 2,802,941,000
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]
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
Unsecured term loans \| $120M unsecured term loan \| Minimum \| SOFR
Debt Instrument [Line Items]
Credit spread (as a percent)	0.80%
Unsecured term loans \| $120M unsecured term loan \| Maximum \| SOFR
Debt Instrument [Line Items]
Credit spread (as a percent)	1.65%
Unsecured term loans \| $120M unsecured term loan \| Kite Realty Group, L.P.
Debt Instrument [Line Items]
Gross debt	$ 120,000,000
Unsecured term loans \| $120M unsecured term loan \| Kite Realty Group, L.P. \| SOFR
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)	0.10%
Unsecured term loans \| $120M unsecured term loan \| Kite Realty Group, L.P. \| Minimum \| SOFR \| Leverage-based pricing
Debt Instrument [Line Items]
Credit spread (as a percent)	1.20%
Unsecured term loans \| $120M unsecured term loan \| Kite Realty Group, L.P. \| Minimum \| SOFR \| Investment grade pricing
Debt Instrument [Line Items]
Credit spread (as a percent)	0.80%
Unsecured term loans \| $120M unsecured term loan \| Kite Realty Group, L.P. \| Maximum \| SOFR \| Leverage-based pricing
Debt Instrument [Line Items]
Credit spread (as a percent)	1.70%
Unsecured term loans \| $120M unsecured term loan \| Kite Realty Group, L.P. \| Maximum \| SOFR \| Investment grade pricing
Debt Instrument [Line Items]
Credit spread (as a percent)	1.65%
Unsecured term loans \| $250M unsecured term loan
Debt Instrument [Line Items]
Gross debt	$ 250,000,000	250,000,000
Number of extension options \| extension	3
Extension period (in years)	1 year
Unsecured term loans \| $250M unsecured term loan \| SOFR
Debt Instrument [Line Items]
Gross debt	$ 250,000,000
Unsecured term loans \| $250M unsecured term loan \| 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
Unsecured term loans \| $250M unsecured term loan \| Kite Realty Group, L.P. \| SOFR
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)	0.10%
Unsecured term loans \| $250M unsecured term loan \| Kite Realty Group, L.P. \| Minimum \| SOFR \| Leverage-based pricing
Debt Instrument [Line Items]
Credit spread (as a percent)	2.00%
Unsecured term loans \| $250M unsecured term loan \| Kite Realty Group, L.P. \| Minimum \| SOFR \| Investment grade pricing
Debt Instrument [Line Items]
Credit spread (as a percent)	2.00%
Unsecured term loans \| $250M unsecured term loan \| Kite Realty Group, L.P. \| Maximum \| SOFR \| Leverage-based pricing
Debt Instrument [Line Items]
Credit spread (as a percent)	2.55%
Unsecured term loans \| $250M unsecured term loan \| Kite Realty Group, L.P. \| Maximum \| SOFR \| Investment grade pricing
Debt Instrument [Line Items]
Credit spread (as a percent)	2.50%
Unsecured term loans \| $150M unsecured term loan
Debt Instrument [Line Items]
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
Unsecured term loans \| $150M unsecured term loan \| Minimum \| SOFR
Debt Instrument [Line Items]
Credit spread (as a percent)	0.75%
Unsecured term loans \| $150M unsecured term loan \| Maximum \| SOFR
Debt Instrument [Line Items]
Credit spread (as a percent)	1.60%
Unsecured term loans \| $150M unsecured term loan \| Kite Realty Group, L.P.
Debt Instrument [Line Items]
Gross debt	$ 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 (as a percent)	0.10%
Unsecured term loans \| $150M unsecured term loan \| Kite Realty Group, L.P. \| Minimum \| SOFR \| Leverage-based pricing
Debt Instrument [Line Items]
Credit spread (as a percent)	1.20%
Unsecured term loans \| $150M unsecured term loan \| Kite Realty Group, L.P. \| Minimum \| SOFR \| Investment grade pricing
Debt Instrument [Line Items]
Credit spread (as a percent)	0.75%
Unsecured term loans \| $150M unsecured term loan \| Kite Realty Group, L.P. \| Maximum \| SOFR \| Leverage-based pricing
Debt Instrument [Line Items]
Credit spread (as a percent)	1.70%
Unsecured term loans \| $150M unsecured term loan \| Kite Realty Group, L.P. \| Maximum \| SOFR \| Investment grade pricing
Debt Instrument [Line Items]
Credit spread (as a percent)	1.60%
Unsecured term loans \| $300M unsecured term loan
Debt Instrument [Line Items]
Gross debt	$ 300,000,000	$ 300,000,000
Unsecured term loans \| $300M unsecured term loan \| SOFR
Debt Instrument [Line Items]
Gross debt	$ 300,000,000
Unsecured term loans \| $300M unsecured term loan \| Minimum \| SOFR
Debt Instrument [Line Items]
Credit spread (as a percent)	1.15%
Unsecured term loans \| $300M unsecured term loan \| Maximum \| SOFR
Debt Instrument [Line Items]
Credit spread (as a percent)	2.20%
Unsecured term loans \| $300M unsecured term loan \| Kite Realty Group, L.P.
Debt Instrument [Line Items]
Gross debt	$ 300,000,000
Unsecured term loans \| $300M unsecured term loan \| Kite Realty Group, L.P. \| SOFR
Debt Instrument [Line Items]
Basis spread on variable rate (as a percent)	0.10%
Unsecured term loans \| $300M unsecured term loan \| Kite Realty Group, L.P. \| Minimum \| SOFR \| Investment grade pricing
Debt Instrument [Line Items]
Credit spread (as a percent)	1.15%
Unsecured term loans \| $300M unsecured term loan \| Kite Realty Group, L.P. \| Maximum \| SOFR \| Investment grade pricing
Debt Instrument [Line Items]
Credit spread (as a percent)	2.20%