ACCOUNTS RECEIVABLE (SCHEDULE OF CHANGE IN ALLOWANCE) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
ACCOUNTS RECEIVABLE AND SIGNIFICANT CLIENTS [Abstract]
Balance, beginning balance	$ 5,032	$ 4,997	$ 5,409	$ 5,067
Provision for credit losses	383	135	198	155
Uncollectible receivables written-off	(6)	(178)	(218)	(261)
Effect of foreign currency	(3)	(2)	17	(9)
Acquisition credit losses		988		988
Balance, ending balance	$ 5,406	$ 5,940	$ 5,406	$ 5,940