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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Summary of the Total Potential Ordinary Shares that were Excluded from the Diluted Per Share Calculation (Details)
shares in Thousands
12 Months Ended
Dec. 31, 2019
shares
Earnings per Share  
Anti-dilutive stock options and awards/units outstanding (in shares) 1,335
Stock options and awards/units  
Earnings per Share  
Anti-dilutive stock options and awards/units outstanding (in shares) 1,335