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NOTES PAYABLE AND AMENDED CREDIT AGREEMENT - Summary of Notes Payable and Credit Agreement (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Debt Instruments [Abstract]    
Payments/Long term debt $ 122,927 $ 118,417
Less current portion (799) (830)
Long term portion 122,128 117,587
Credit Facility [Member]    
Debt Instruments [Abstract]    
Payments/Long term debt $ 118,000 $ 114,000
Average effective interest rate 1.74% 1.74%
3.25% through 3.5% Notes Payable due in Next Year [Member]    
Debt Instruments [Abstract]    
Payments/Long term debt $ 4,927 $ 4,417
Annual installments $ 4,927  
3.25% through 3.5% Notes Payable due in Next Year [Member] | Minimum [Member]    
Debt Instruments [Abstract]    
Percentage of interest accrued 3.25%  
3.25% through 3.5% Notes Payable due in Next Year [Member] | Maximum [Member]    
Debt Instruments [Abstract]    
Percentage of interest accrued 3.50%