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Fair Value - Additional Information (Details)		3 Months Ended		6 Months Ended
	Feb. 12, 2026 USD ($)	Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($)	Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($)	Dec. 31, 2025 USD ($)
Fair Value
Transfers between Level 1 to Level 2				$ 0
Transfers between Level 2 to Level 1				0
Fair value of contingent consideration		$ 136,304,000		136,304,000		$ 0
Fair value of the contingent consideration increased		26,800,000		26,800,000
Change in contingent consideration		$ 26,414,000	$ 0	26,414,000	$ 0
Recognized share-based compensation expense	$ 18,400,000			$ 400,000
Avadel Pharmaceuticals Plc
Fair Value
Recognized share-based compensation expense	$ 1,800,000
Avadel Pharmaceuticals Plc | Minimum
Fair Value
Percentage of success of achieving the CVR Milestone				75.00%
Avadel Pharmaceuticals Plc | Maximum
Fair Value
Percentage of success of achieving the CVR Milestone				90.00%
Avadel Pharmaceuticals Plc | Discount Rate
Fair Value
Discount rate		0.0618		0.0618
Fair Value Level 2
Fair Value
Unrelaised amount				$ 1,532,400,000

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