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Royalty Financing Obligation - Schedule of Activity (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Aug. 31, 2024 | Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Debt Instrument, Increase (Decrease), Net [Roll Forward] |  |  |  |
Accretion of imputed interest expense on royalty financing obligation |  | $ 2,238 | $ 2,592 |
Less: one-time payment for expiration of second tranche | $ (2) | 0 |  | $ (2,000)
Royalty Financing |  |  |  |
Debt Instrument, Increase (Decrease), Net [Roll Forward] |  |  |  |
Royalty financing obligation – beginning balance |  | 37,139 | 33,490 | 33,490
Accretion of imputed interest expense on royalty financing obligation |  | 2,238 | $ 2,592 | 10,830
Less: royalty payments made to RTW |  | (1,890) |  | (5,181)
Royalty financing obligation – ending balance |  | 37,487 |  | 37,139
Less: royalty payable to RTW classified within accrued expenses |  | (1,969) |  | (1,890)
Royalty financing obligation, non-current |  | $ 35,518 |  | $ 35,249

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