EARNINGS PER SHARE - Additional Information (Details) - $ / shares	3 Months Ended	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Performance shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Shares excluded from the calculation of diluted earnings per share (in shares)	452,000
SARs
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Shares excluded from the calculation of diluted earnings per share (in shares)	167,760		249,737
Minimum | SARs
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Exercise price securities, excluded from computation of earnings per share (in usd per share)	$ 100.52	$ 97.53
Maximum | SARs
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Exercise price securities, excluded from computation of earnings per share (in usd per share)	$ 143.38	$ 143.38