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Description of Business, Basis of Presentation, and Significant Transactions (Details) - USD ($) $ in Thousands		1 Months Ended	3 Months Ended	6 Months Ended
	Mar. 13, 2026	Apr. 30, 2026	Jun. 30, 2026	Jun. 30, 2026	Jun. 30, 2025	Jul. 12, 2024	Jun. 04, 2024	Feb. 05, 2024
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Sale of future royalties, intellectual property, and other assets, net				$ 48,935	$ 0
Impairment of intangible assets				$ 43,300
Common stock registered, shares (in shares)								2,269,721
Common stock, registered maximum offering price							$ 350,000
ATM Agreement Sales
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Common stock, registered maximum offering price							$ 75,000
JMP \| ATM Agreement Sales
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Aggregate offering price						$ 75,000
Percentage of aggregate gross sales proceeds						3.00%
Stock issued (in shares)				0
Commave Settlement Agreement
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Royalty percentage				10.00%
Commave Settlement Agreement \| Commave Therapeutics SA
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Sale of future royalties, intellectual property, and other assets, net	$ 50,000
Commave Settlement Agreement \| Commave Therapeutics SA
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Payments to acquire intangible assets		$ 5,000	$ 45,000
Commave Settlement Agreement \| Commave Therapeutics SA \| Aquestive Therapeutics
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Payments to acquire intangible assets		500	4,500
Commave Settlement Agreement \| Commave Therapeutics SA \| Zevra Therapeutics
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Payments to acquire intangible assets		$ 4,500	$ 40,500
Commave Settlement Agreement \| Aquestive Therapeutics \| License
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Royalty percentage				10.00%