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SUPPLEMENTAL FINANCIAL INFORMATION - Schedule of Receivables (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]    
Trade receivables $ 2,960 $ 1,858
Other 369 1,753
Notes receivable, net 343 343
Trade and Other Receivables $ 3,672 $ 3,954