INCOME TAXES (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
INCOME TAXES
Income taxes	$ 32,090	$ 28,262	$ 101,232	$ 93,991
Pre-tax income	161,433	$ 137,487	$ 489,837	$ 457,069
Effective tax rate			20.70%	20.60%
Unrecognized tax benefits	13,750		$ 13,750
Unrecognized tax benefits that, if recognized, would be reflected as a component of income tax expense	10,714		10,714
Reasonably possible further reduction in prior years' unrecognized tax benefits during the next twelve months	$ 1,203		$ 1,203