FAIR VALUE MEASUREMENTS (Changes in Carrying Value of Business Acquisition Liabilities) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value measurement, beginning balance			$ 70,525
Fair value measurement, ending balance	$ 68,314		68,314
Fair Value, Inputs, Level 3 [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value measurement, beginning balance	68,036	$ 36,020	70,525	$ 37,270
Purchase price contingent consideration	4,414		4,414
Contingent cash payments	(2,193)	(1,523)	(4,607)	(3,015)
Contingent RSU grants	(220)	(197)	(416)	(360)
Changes in fair value of business acquisition liabilities	(1,126)	13,870	(1,390)	14,128
Contractual payable reclassification	(597)	(175)	(212)	(28)
Fair value measurement, ending balance	$ 68,314	$ 47,995	$ 68,314	$ 47,995