Contingencies (Details) $ in Thousands				12 Months Ended
	Mar. 03, 2023 USD ($)	Mar. 02, 2023 USD ($)	May 03, 2022 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 05, 2019 cause
Loss Contingencies [Line Items]
Interest income and other income, net				$ 16,321	$ 99
Revenues				50,583	47,680
Manufacture and supply revenue
Loss Contingencies [Line Items]
Revenues				43,805	$ 36,378
Patent Litigation Settlement with BDSI
Loss Contingencies [Line Items]
Gain (loss) related to litigation settlement	$ 8,500
Neurelis, Inc. v. Aquestive Therapeutics, Inc.
Loss Contingencies [Line Items]
Pending claim | cause						3
Litigation settlement, amount awarded from other party			$ 156
Indivior Amendment
Loss Contingencies [Line Items]
Gain (loss) related to litigation settlement		$ 11,482
Interest income and other income, net	$ 6,000
Indivior Amendment | Manufacture and supply revenue
Loss Contingencies [Line Items]
Revenues				$ 5,482