Royalty and Commercial Payment Purchase Agreements - Under Cost Recovery Method (Details) - USD ($) $ in Thousands |
Jun. 30, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Royalty and Commercial Payment Purchase Agreements | ||
| Short-term royalty and commercial payment receivables under the cost recovery method | $ 700 | $ 413 |
| Long-term royalty and commercial payment receivables under the cost recovery method | $ 58,937 | $ 55,936 |