DERIVATIVES - INTEREST-RATE DERIVATIVES (Details) - USD ($) $ in Millions	Dec. 31, 2020	Oct. 31, 2019
Interest Rate Swap, 6.348%
Derivative [Line Items]
Notional Principal Amount	$ 400
Weighted-Average Interest Rate	6.348%
Interest Rate Swap, 6.662%
Derivative [Line Items]
Notional Principal Amount	$ 350	$ 125
Weighted-Average Interest Rate	6.662%
Interest Rate Swap, 6.709%
Derivative [Line Items]
Notional Principal Amount	$ 275
Weighted-Average Interest Rate	6.709%
Interest Rate Swap, 6.445%
Derivative [Line Items]
Notional Principal Amount	$ 450
Weighted-Average Interest Rate	6.445%