EQUITY - Preferred Stock (Details) $ / shares in Units, $ in Millions	1 Months Ended
	Oct. 31, 2019 USD ($) day $ / shares	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Equity [Abstract]
Preferred stock, value, issued	$ 300.0	$ 295.2	$ 0.0
Sale of stock, consideration received on transaction	$ 300.0
Preferred stock, dividend rate, percentage	5.75%
Sale of stock, price per share (in dollars per share) | $ / shares	$ 25.00
Sale of stock, premium percentage	15.00%
Trading days | day	20