VALUATION AND QUALIFYING ACCOUNTS (Details) - Allowance for Credit Losses, Service Credits and Other - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at the Beginning of the Period	$ 1,669	$ 1,293	$ 1,705
Charged to Operations	573	1,382	1,248
Write-offs	(800)	(1,006)	(1,660)
Balance at the End of the Period	$ 1,442	$ 1,669	$ 1,293