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DEBT - 2025 Convertible Notes Narrative (Details) - USD ($)
12 Months Ended
Dec. 01, 2021
Nov. 27, 2020
Mar. 31, 2022
Mar. 31, 2021
Mar. 31, 2020
Debt Instrument [Line Items]          
Proceeds from convertible notes     $ 0 $ 75,750,000 $ 5,367,000
Payments of debt issuance costs     642,000 734,000 30,000
Payments of long-term debt     39,457,000 25,250,000 500,000
Paid in kind interest on convertible notes     4,171,000 0 $ 0
2025 Convertible Notes | Convertible Debt          
Debt Instrument [Line Items]          
Debt instrument, face amount   $ 75,000,000.0      
Proceeds from convertible notes   74,700,000      
Payments of debt issuance costs   $ 300,000      
Debt interest rate   5.50%      
Paid in kind interest on convertible notes $ 4,200,000        
Debt instrument, debt default, interest rate increase   3.00%      
Convertible debt     $ 79,200,000 $ 75,000,000.0  
Amended Western Alliance Agreement and Pinnacle Agreement | Term Loan          
Debt Instrument [Line Items]          
Payments of long-term debt   $ 27,600,000      
Pinnacle Term Loan | Term Loan          
Debt Instrument [Line Items]          
Debt early repayment fees   $ 2,000,000.0