KWE UNSECURED BONDS - Schedule of KWE Unsecured Bonds (Details) - KWE unsecured bonds - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Mortgage debt	$ 506.4	$ 622.8
Unamortized premium (discount)	(1.5)	(2.1)
KWE
Debt Instrument [Line Items]
Unamortized loan fees	(0.7)	(1.3)
Mortgage debt	506.4	622.8
KWE \| KWE Euro Medium Term Note Programme
Debt Instrument [Line Items]
Debt (excluding loan fees)	$ 507.1	$ 624.1

Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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