INCOME TAX PROVISION (repatriation and unrecognized tax benefits) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Accumulated foreign earnings repatriated	$ 85,285
Income tax expense on repatriation of foreign earnings	4,555
Cash and cash equivalents	41,231	$ 41,231	$ 123,122	$ 73,620
Changes in unrecognized tax benefits
Balance, beginning of year		3,361	4,169	4,801
Additions for tax positions of current year		169	237	364
Additions for tax positions of prior years		8	30	546
Reductions for tax positions of prior years		(673)	(414)	(887)
Settlements		0	0	(341)
Lapse of statutes of limitations		(314)	(661)	(314)
Balance, end of year	2,551	2,551	3,361	4,169
Unrecognized tax benefits
Unrecognized tax benefits that would impact income tax expense	(2,551)	(2,551)
Accruals for interest and penalties	635	635	551
Net (decrease) increase in income tax provision for interest and penalties		84	$ (384)	$ 605
Amount by which it is reasonably possible that unrecognized tax benefits will decrease in next 12 months	1,400	1,400
Amount by which it is reasonably possible that unrecognized tax benefits will increase in next 12 months	2,000	2,000
Foreign, primarily Canada [Member]
Cash and cash equivalents	$ 47,779	$ 47,779