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Fair Value Measurements - Schedule of Estimated Fair Value of Company's Related Party Revenue Share Liability (Detail) - Related Party Revenue Share Liability [Member] - Fair Value, Inputs, Level 3 [Member]
$ in Thousands
12 Months Ended
Dec. 31, 2025
USD ($)
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]  
Estimated fair value as of December 31, 2024 $ 17,940
Change in fair value 55,220
Estimated fair value as of December 31, 2025 $ 73,160