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EARNINGS PER SHARE - Additional Information (Details) - shares
shares in Thousands
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Stock options excluded from diluted earnings per share (in shares)   26
Employee Stock Option    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Stock options excluded from diluted earnings per share (in shares) 41