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FINANCING ARRANGEMENTS - Amortizing term mortgage (Details) - USD ($)
$ in Thousands
1 Months Ended
Aug. 31, 2019
Dec. 31, 2021
Dec. 31, 2020
Schedule of Capitalization, Long-term Debt      
Long-term debt, net of issuance costs   $ 52,067 $ 30,321
Mortgages      
Schedule of Capitalization, Long-term Debt      
Loaned amount $ 8,300    
Debt instrument, term 30 years    
Interest rate 5.00%    
Long-term debt, net of issuance costs   $ 8,000 $ 8,100
Mortgages | Prime Rate      
Schedule of Capitalization, Long-term Debt      
Variable rate (percent) 0.25%