SHARE-BASED COMPENSATION AND BENEFIT PLANS (Other Share-Based Compensation Activity) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Employee stock purchase plan [Member]
Share-Based Compensation and Benefit Plans
Compensation expense for share-based compensation	$ 832	$ 717	$ 2,264	$ 2,060
Income tax benefit from compensation expense for share-based compensation	205	180	559	517
Restricted stock [Member]
Share-Based Compensation and Benefit Plans
Compensation expense for share-based compensation	401	392	1,177	1,094
Income tax benefit from compensation expense for share-based compensation	$ 99	$ 99	$ 291	$ 275