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DEBT - Lines of Credit (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 30, 2020
Dec. 31, 2021
Dec. 31, 2020
Mar. 31, 2020
Dec. 31, 2019
May 12, 2017
Apr. 30, 2016
Revolver 1              
Lines of Credit              
Maximum borrowing capacity $ 70,000       $ 45,000    
Effective interest rate   2.10% 2.15%        
Amount of available credit   $ 61,841          
Interest expense   887 $ 1,020        
Outstanding balance   8,159 36,174        
Tangible net worth   $ 120,000          
Debt to EBITDA ratio   4          
Deferred debt issuance costs   $ 295          
Revolver 1 | London Interbank Offered Rate (LIBOR)              
Lines of Credit              
Spread rate 2.40% 2.00%          
Revolver 2              
Lines of Credit              
Maximum borrowing capacity           $ 20,000 $ 15,000
Effective interest rate       4.17%      
Amount of available credit       $ 12,028      
Interest expense     $ 17        
Outstanding balance       $ 2,001      
Tangible net worth   $ 80,000          
Revolver 2 | London Interbank Offered Rate (LIBOR)              
Lines of Credit              
Spread rate   2.50%