Summary of Significant Accounting Policies - Schedule of Other Current Liabilities (Details) - USD ($) $ in Thousands |
Sep. 30, 2026 |
Dec. 31, 2025 |
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|---|---|---|---|---|---|---|---|
| Summary Of Significant Accounting Policies [Line Items] | |||||||
| Accrued rebates and other related costs | $ 92,937 | $ 45,909 | |||||
| Accrued commercial | 43,582 | 35,773 | |||||
| Deferred royalty obligations, current portion | 36,094 | 11,221 | |||||
| Accrued cash dividends on preferred stock | 13,679 | 0 | |||||
| Accrued interest | 5,043 | 14,411 | |||||
| Accrued professional services | 8,938 | 3,665 | |||||
| Other accrued liabilities | 11,841 | 9,243 | |||||
| Total other current liabilities | [1] | 212,114 | 120,222 | [2] | |||
| Related Party | |||||||
| Summary Of Significant Accounting Policies [Line Items] | |||||||
| Deferred royalty obligations, current portion | 0 | 2,003 | |||||
| Total other current liabilities | $ 0 | $ 2,003 | |||||
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