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LONG-TERM DEBT (Details) - Revolving Credit Facility - Credit Agreement - USD ($)
Feb. 20, 2019
Mar. 31, 2022
Dec. 31, 2021
Debt Instrument [Line Items]      
Maximum borrowing capacity $ 40,000,000    
Accordion feature, increase limit 35,000,000    
Average quarterly loan balance threshold $ 32,000,000    
Commitment fee percentage 0.20%    
Fronting fee percentage 0.125%    
Long-term line of credit   $ 0 $ 0
London Interbank Offered Rate (LIBOR)      
Debt Instrument [Line Items]      
Basis spread on variable rate 2.50%    
Base, LIBOR, or Commitment Fee | Minimum      
Debt Instrument [Line Items]      
Basis spread on variable rate 1.25%    
Base, LIBOR, or Commitment Fee | Maximum      
Debt Instrument [Line Items]      
Basis spread on variable rate 1.50%