STOCK REPURCHASE PROGRAM (Details) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended	9 Months Ended
	Sep. 30, 2019	Sep. 30, 2019	Sep. 30, 2018	Apr. 18, 2019
Stock repurchase program
Aggregate amount of share repurchases (in dollars)	$ 35,777	$ 54,873	$ 3,905
Common stock repurchased (retired and held in treasury) (in shares)	300	493	668
Common stock repurchased (retired and held in treasury)	$ 35,800	$ 54,900	$ 61,700
Common stock repurchased and retired (in shares)			623
Common stock repurchased and retired			$ 57,787
Remaining authorized repurchase amount	$ 310,100	$ 310,100
Stock Repurchase Program April 18, 2019
Stock repurchase program
Share repurchases authorized amount				$ 350,000