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DERIVATIVE INSTRUMENTS, HEDGING ACTIVITIES AND OTHER COMPREHENSIVE INCOME (Details) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022 USD ($) derivative_contract	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($) derivative_contract	Jun. 30, 2021 USD ($)	Dec. 31, 2021 USD ($) derivative_contract
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative instruments in hedges, assets, at fair value	$ 10.3		$ 10.3
Derivative instruments in hedges, liabilities, at fair value	12.6		12.6		$ 35.7
Loss reclassified to earnings	3.3	$ 1.1	7.4	$ 2.4
Cash flow hedge, decrease to interest expense based upon interest payments made over the next 12 months	10.9		10.9
Forward-starting Interest Rate Swap Contracts
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of interest rate swap contracts | derivative_contract					2
Derivative, notional amount					$ 150.0
Fixed interest rate					1.356%
Cash flow hedge derivative instrument assets at fair value	18.6		18.6
Accrued Interest
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative instruments in hedges, liabilities, at fair value	$ 0.8		$ 0.8		$ 1.0
Cash Flow Hedging
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of interest rate swap contracts | derivative_contract	12		12
Derivative, notional amount	$ 720.0		$ 720.0
Average fixed interest rate	3.72%		3.72%
Cash Flow Hedging | Interest Rate Swap | RPAI
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, notional amount	$ 470.0		$ 470.0
Fair Value Hedging
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Number of interest rate swap contracts | derivative_contract	2		2
Derivative, notional amount	$ 155.0		$ 155.0
Fixed interest rate	4.52%		4.52%
Fair Value Hedging | LIBOR
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Blending floating interest rate of LIBOR	3.70%		3.70%

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