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Capitalized Fees Paid (Tables) | 12 Months Ended
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Dec. 31, 2025
Capitalized Contract Cost [Abstract] |
Schedule of Capitalized Fees Paid | Capitalized fees paid, which consist of registrational and launch-related milestone fees paid to GSK, were as follows:
|  |  |  | December 31, |
(In thousands) |  | Amortization period |  | 2025 |  |  | 2024 |
United States |  | 2013-2030 |  | $ | 120,000 |  |  | $ | 120,000 |
Europe |  | 2013-2029 |  |  | 60,000 |  |  |  | 60,000 |
Japan |  | 2013-2029 |  |  | 40,000 |  |  |  | 40,000 |
Gross carrying value |  |  |  |  | 220,000 |  |  |  | 220,000 |
Accumulated amortization |  |  |  |  | (163,862 | ) |  |  | (150,039 | )
Net carrying value |  |  |  | $ | 56,138 |  |  | $ | 69,961 |

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- Definition Tabular disclosure of cost capitalized in obtaining or fulfilling contract with customer. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 340 -SubTopic 40 -Name Accounting Standards Codification -Section 50 -Paragraph 3 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479483/340-40-50-3 + Details
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