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DEBT (Schedule of Debt) (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Debt Instrument    
Long-term debt $ 94,200  
Financing Leases 0 $ 100
Less: unamortized debt issuance costs (100) (100)
Total debt and capital leases 94,100 94,600
Less: current maturities (2,671) (2,551)
Long-term debt 91,361 91,966
Tax increment financing debt    
Debt Instrument    
Long-term debt 17,100 17,600
Foreign subsidiary debt    
Debt Instrument    
Long-term debt 2,100 1,800
All Other    
Debt Instrument    
Long-term debt 0 200
Credit Agreement    
Debt Instrument    
Long-term debt 0 0
New York Life Investors LLC    
Debt Instrument    
Long-term debt $ 75,000 $ 75,000