RETIREMENT ANNUITY AND GUARANTEED CONTINUOUS EMPLOYMENT PLANS (Amounts Recognized in Consolidated Balance Sheets) (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
U.S pension plans
Retirement Annuity and Guaranteed Continuous Employment Plans
Assets for Plan Benefits, Defined Benefit Plan	$ 0	$ 0
Accrued pension liability, current	(732)	(2,403)
Accrued pension liability, long-term	(7,638)	(6,971)
Accumulated other comprehensive loss, excluding tax effects	2,387	1,734
Net amount recognized in the balance sheets	(5,983)	(7,640)
Non-U.S. pension plans.
Retirement Annuity and Guaranteed Continuous Employment Plans
Assets for Plan Benefits, Defined Benefit Plan	2,891	1,603
Accrued pension liability, current	(95)	(523)
Accrued pension liability, long-term	(37,605)	(33,026)
Accumulated other comprehensive loss, excluding tax effects	3,039	2,025
Net amount recognized in the balance sheets	$ (31,770)	$ (29,921)