SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND PRACTICES - Amounts Used In Basic and Diluted Earnings Per Share (Details) - shares shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Earnings Per Share [Abstract]
Weighted-average number of basic shares outstanding (in shares)	30,270	30,003	30,250	29,989
Stock options, stock units and performance awards (in shares)	197	0	0	0
Convertible senior notes (in shares)	0	0	0	0
Total shares and dilutive securities (in shares)	30,467	30,003	30,250	29,989