Sale of Cullinan Pearl (Additional Information) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Defined Benefit Plan Disclosure [Line Items]
Research and development costs	$ 187,402	$ 142,903
Pearl - Taiho
Defined Benefit Plan Disclosure [Line Items]
Percentage of profits from potential sales	50.00%