SIGNIFICANT ACCOUNTING POLICIES - Allowances for Doubtful Accounts And Revenue Allowance (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Allowance for Doubtful Accounts
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at January 1,	$ 24,136	$ 24,634	$ 22,493
Additions charged to earnings	7,783	8,018	10,133
Deductions from reserves, net of recoveries	(7,260)	(8,516)	(7,992)
Balance at December 31,	24,659	24,136	24,634
Revenue Allowance
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at January 1,	16,004	20,115	16,218
Additions charged to earnings	54,836	34,319	45,784
Deductions from reserves, net of recoveries	(50,246)	(38,430)	(41,887)
Balance at December 31,	$ 20,594	$ 16,004	$ 20,115