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CONSOLIDATED STATEMENTS OF INCOME AND COMPREHENSIVE INCOME (Parenthetical) - Royalty Revenue - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Amortization of capitalized fees paid | $ 13,800 | $ 13,800 | $ 13,800
GSK |  |  |
Amortization of capitalized fees paid | $ 13,823 | $ 13,823 | $ 13,823

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