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DEBT - Paycheck Protection Program Liquidity Facility Narrative (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Jun. 30, 2020
Debt Instrument [Line Items]      
Accrued interest and unused commitment fee payable $ 467 $ 564  
Revolving Credit Facility | Paycheck Protection Program Liquidity Facility, CARES Act | Line of Credit      
Debt Instrument [Line Items]      
Fixed interest rate     0.35%
Debt outstanding $ 5,000 $ 14,484