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OTHER ASSETS (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Disclosure of types of insurance contracts [line items]    
Pension benefits $ 1,966 $ 0
Deposits 1,179 1,194
Prepaid software licensing 960 1,173
Interest rate swap agreements 0 2,605
Other 35 46
Other non-current assets 10,518 9,586
Corporate owned life insurance held in grantor trust    
Disclosure of types of insurance contracts [line items]    
Life insurance 5,992 4,210
Cash surrender value of officers’ life insurance    
Disclosure of types of insurance contracts [line items]    
Life insurance $ 386 $ 358