OTHER - Long term liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Retirement benefit obligations	$ 5,063	$ 5,178
Wallace facility remediation	0	5,140
Other non-income tax liabilities	3,156	3,037
Unearned revenue	797	890
Contingent consideration Non current	0	650
Other long-term obligations	110	100
OTHER LONG-TERM LIABILITIES	$ 9,126	$ 14,995