EQUITY - Common Stock (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2019	Dec. 31, 2020	Dec. 31, 2019
Equity [Abstract]
Common stock, shares authorized (in shares)		170,000,000	170,000,000
Common stock, shares outstanding (in shares)		82,334,257	83,265,674
Common stock available for issuance (in shares)		87,665,743	86,734,326
Share repurchase program, authorized amount	$ 20.0
Share repurchase period	1 year