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EARNINGS PER SHARE - Computation of Basic Earnings and Diluted Earnings Per Share Data (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Numerator for basic and diluted earnings per share:      
Net income, basic $ 164,240 $ 161,458 $ 194,820
Net income, diluted $ 164,240 $ 161,458 $ 194,820
Denominator:      
Weighted-average basic common shares outstanding 41,544 40,848 40,035
Assumed conversion of dilutive securities:      
Stock awards (in shares) 855 1,382 1,491
Convertible Senior Notes (in shares) 0 14 0
Denominator for diluted earnings per share - Adjusted weighted-average shares 42,399 42,244 41,526
Earnings per common share:      
Basic (in dollars per share) $ 3.95 $ 3.95 $ 4.87
Diluted (in dollars per share) $ 3.87 $ 3.82 $ 4.69