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FAIR VALUE MEASUREMENTS AND FINANCIAL INSTRUMENTS - Fair Value of Significant Unobservable Inputs (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Roll Forward]    
Balance as of January 1 $ 22,610 $ 21,460
Revaluations 651 124
Balance as of March 31 $ 23,261 $ 21,584