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Royalty Financing Agreement - Schedule of Carrying Value of Royalty Financing Agreement (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Dec. 31, 2023
Royalty Financing Agreement [Roll Forward] |  |  |  |  |
Royalty financing agreement liability - beginning balance |  |  | $ 155,034 |  |
Royalty financing agreement liability - ending balance | $ 158,377 |  | 158,377 |  | $ 155,034
Amortization of issuance costs | 1,800 | $ 2,004 | 3,651 | $ 3,728 |
Royalty financing agreement | 158,377 |  | 158,377 |  | 155,034
Royalty Agreements |  |  |  |  |
Royalty Financing Agreement [Roll Forward] |  |  |  |  |
Interest expense recognized | 4,893 | $ 4,805 | 9,715 | 9,569 |
Secured Debt |  |  |  |  |
Royalty Financing Agreement [Roll Forward] |  |  |  |  |
Amortization of issuance costs |  |  | 262 |  | 521
Secured Debt | Royalty Agreements |  |  |  |  |
Royalty Financing Agreement [Roll Forward] |  |  |  |  |
Royalty financing agreement liability - beginning balance |  |  | 158,162 | 151,538 | 151,538
Revenue Interest Payments paid and payable |  |  | (6,634) |  | (12,222)
Interest expense recognized |  |  | 9,715 |  | 18,846
Royalty financing agreement liability - ending balance | 161,243 |  | 161,243 |  | 158,162
Royalty issuance costs, unamortized - beginning balance |  |  | 3,128 | $ 3,523 | 3,523
Other |  |  | 0 |  | (126)
Deferred issuance costs, unamortized - ending balance | 2,866 |  | 2,866 |  | 3,128
Royalty financing agreement | $ 161,243 |  | $ 161,243 |  | $ 158,162

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