v3.25.4

Intangible Assets and Goodwill | 12 Months Ended
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Dec. 31, 2025
Goodwill and Intangible Assets Disclosure [Abstract] |
Intangible Assets and Goodwill | Note 9. Intangible Assets and Goodwill Intangible Assets, Net The components of intangible assets were as follows (in thousands, except for useful life):
|  |  | Balance at December 31, 2025 |  | Balance at December 31, 2024
| Weighted- Average Useful Lives (Years) |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount |  | Gross Carrying Amount |  | Accumulated Amortization |  | Net Carrying Amount
Finite-lived intangible assets: |  |  |  |  |  |  |  |  |  |  |  |  |
Licensed IP | 12.5 |  | $ | 271,000 |  | $ | 206,391 |  | $ | 64,609 |  | $ | 271,000 |  | $ | 184,854 |  | $ | 86,146
Capitalized milestone payments | 9.9 |  | $ | 59,500 |  | $ | 6,978 |  | $ | 52,522 |  | $ | 29,500 |  | $ | 2,820 |  | $ | 26,680
Other | 2.0 |  | $ | 1,400 |  | $ | 1,400 |  | $ | — |  | $ | 1,400 |  | $ | 423 |  | $ | 977
Amortization expense for the years ended December 31, 2025, 2024 and 2023, was $26.7 million, $23.6 million, and $22.5 million, respectively. Estimated aggregate amortization expense based on the current carrying value of amortizable intangible assets will be as follows for the years ending December 31 (in thousands):
| 2026 |  | 2027 |  | 2028 |  | 2029 |  | 2030 |  | Thereafter
Amortization expense | $ | 27,870 |  | $ | 27,870 |  | $ | 27,870 |  | $ | 6,333 |  | $ | 6,333 |  | $ | 20,855
Goodwill There were no material changes to the carrying amount of goodwill for the years ended December 31, 2025 and 2024.

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- Definition The entire disclosure for goodwill and intangible assets. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-30/tableOfContent Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Publisher FASB -URI https://asc.fasb.org/350-20/tableOfContent + Details
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