GOODWILL AND OTHER INTANGIBLE ASSETS - Carrying Amount of Goodwill (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Goodwill [Roll Forward]
Goodwill - net book value, beginning of period	$ 1,533,424	$ 1,477,564	$ 1,428,610
Purchase accounting adjustments	(176)	1,317
Acquisitions	6,998	54,543	48,954
Goodwill - net book value, end of period	$ 1,540,246	$ 1,533,424	$ 1,477,564