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DERIVATIVE INSTRUMENTS, HEDGING ACTIVITIES AND OTHER COMPREHENSIVE INCOME - Additional Information (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2025 USD ($) instrument	Jun. 30, 2024 USD ($)	Jun. 30, 2025 USD ($) instrument	Jun. 30, 2024 USD ($)
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Gain reclassified from AOCI into income, effective portion, net	$ 2.6	$ 4.9	$ 5.2	$ 9.8
Interest Rate Swap
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Amount expected to be reclassified to interest expense over the next 12 months			$ 8.7
$150M Intraday Interest Rate Lock Agreements \| Kite Realty Group, L.P.
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of instruments \| instrument	3		3
Derivative, notional amount	$ 150.0		$ 150.0
Fixed interest rate (as a percent)	4.21%		4.21%
Payments for derivative instrument, investing activities			$ 0.2