REVENUE - Deferred revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Contract with Customer, Liability [Roll Forward]
Beginning balance	$ 187,994	$ 168,607
Deferral of unearned revenue	253,776	224,647
Recognition of unearned revenue	(231,711)	(205,260)
Ending balance	$ 210,059	$ 187,994