STOCK REPURCHASE PROGRAM (Details) - USD ($) shares in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Apr. 18, 2019
Stock repurchase program
Common stock repurchased (retired and held in treasury) (in shares)	0	779
Common stock repurchased (retired and held in treasury)		$ 86,500,000
Remaining authorized repurchase amount	$ 278,500,000
Stock Repurchase Program April 18, 2019
Stock repurchase program
Share repurchases authorized amount			$ 350,000,000