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Debt - Total Interest Expense Recognized Related to Convertible Notes (Details) - Convertible Notes [Member] - USD ($)
 3 Months Ended 9 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2024
Dec. 31, 2023
Debt Instrument [Line Items]        
Contractual interest expense $ 880,000 $ 800,000 $ 2,640,000 $ 2,400,000
Accretion of debt discount 260,000 217,000 747,000 626,000
Amortization of debt issuance costs 37,000 30,000 105,000 87,000
Total interest expense $ 1,177,000 $ 1,047,000 $ 3,492,000 $ 3,113,000