EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Basic earnings per share:
Net income	$ 170,851	$ 164,413	$ 71,176
Weighted-average common shares	57,801,000	60,327,000	59,657,000
Basic earnings per share	$ 2.96	$ 2.73	$ 1.19
Diluted earnings per share:
Net income	$ 170,851	$ 164,413	$ 71,176
Weighted-average common shares	57,801,000	60,327,000	59,657,000
Effect of dilutive awards:
Employee stock plans	570,000	1,140,000	1,188,000
Diluted weighted-average common shares	58,371,000	61,467,000	60,845,000
Diluted earnings per share	$ 2.93	$ 2.67	$ 1.17
Stock awards excluded in the computation of diluted earnings per share	0	0	0