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Description of Business, Basis of Presentation, and Significant Transactions (Details) - USD ($)		1 Months Ended	3 Months Ended
	Mar. 13, 2026	Apr. 30, 2026	Mar. 31, 2026	Mar. 31, 2025	Jul. 12, 2024	Jun. 04, 2024	Feb. 05, 2024
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Gain on sale of future royalties, intellectual property, and other assets, net			$ 43,300,000	$ 0
Common stock registered, shares (in shares)							2,269,721
Aggregate offering price						$ 350,000,000.0
Sale of future royalties, intellectual property, and other assets, net			$ 43,935,000	$ 0
ATM Agreement Sales
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Aggregate offering price						$ 75,000,000.0
JMP \| ATM Agreement Sales
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Aggregate offering price					$ 75,000,000.0
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	$ 50,000,000.0
Commave Settlement Agreement \| Commave Therapeutics SA
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Payments to acquire intangible assets			$ 45,000,000.0
Commave Settlement Agreement \| Commave Therapeutics SA \| Subsequent Event
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Payments to acquire intangible assets		$ 5,000,000.0
Commave Settlement Agreement \| Commave Therapeutics SA \| Aquestive Therapeutics
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Payments to acquire intangible assets			4,500,000
Commave Settlement Agreement \| Commave Therapeutics SA \| Aquestive Therapeutics \| Subsequent Event
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Payments to acquire intangible assets		500,000
Commave Settlement Agreement \| Commave Therapeutics SA \| Zevra Therapeutics
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Payments to acquire intangible assets			$ 40,500,000
Commave Settlement Agreement \| Commave Therapeutics SA \| Zevra Therapeutics \| Subsequent Event
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Payments to acquire intangible assets		$ 4,500,000
Commave Settlement Agreement \| Aquestive Therapeutics \| License
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Royalty percentage			10.00%