EARNINGS PER SHARE - Schedule of Anti-Dilutive Securities (Details) - shares shares in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Shares excluded due to anti-dilution (treasury stock method) (in shares)	2,240	854	261
Employee Stock Options, Restricted Stock And Other Dilutive Securities
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Shares excluded due to anti-dilution (treasury stock method) (in shares)	2,240	854	261