Royalty and Commercial Payment Purchase Agreements - Under EIR Method (Details) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Royalty and Commercial Payment Purchase Agreements | ||
| Short-term royalty and commercial payment receivables under the EIR method | $ 18,724 | $ 22,780 |
| Long-term royalty and commercial payment receivables under the EIR method | $ 4,235 | $ 4,433 |