EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Income (Numerator)
Income available to common stockholders, basic	$ 284,487	$ 239,288	$ 244,097
Income available to common stockholders, diluted	$ 284,487	$ 239,288	$ 244,097
Shares (Denominator)
Basic (in shares)	65,616	65,402	65,663
Total average equivalent shares (in shares)	66,905	66,719	67,682
Per Share Amount
Net income per share, basic (in dollars per share)	$ 4.34	$ 3.66	$ 3.72
Net income per share, diluted (in dollars per share)	$ 4.25	$ 3.59	$ 3.61
Stock options
Shares (Denominator)
Effect of dilutive stock based compensation (in shares)	874	978	1,600
Restricted stock
Shares (Denominator)
Effect of dilutive stock based compensation (in shares)	415	339	419