Cover Page - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Mar. 01, 2024	Jun. 30, 2023
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2023
Current Fiscal Year End Date	--12-31
Document Transition Report	false
Entity File Number	001-38599
Entity Registrant Name	Aquestive Therapeutics, Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	82-3827296
Entity Address, Address Line One	30 Technology Drive
Entity Address, City or Town	Warren
Entity Address, State or Province	NJ
Entity Address, Postal Zip Code	07059
City Area Code	908
Local Phone Number	941-1900
Title of 12(b) Security	Common Stock, par value $0.001 per share
Trading Symbol	AQST
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
ICFR Auditor Attestation Flag	false
Document Financial Statement Error Correction	false
Entity Public Float			$ 82.7
Entity Common Stock, Shares Outstanding		73,301,201
Entity Central Index Key	0001398733
Amendment Flag	false
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	FY