Corporate Organization and Company Overview (Details) $ / shares in Units, $ in Thousands				1 Months Ended				12 Months Ended
	Dec. 17, 2019 USD ($) shares	Aug. 15, 2018 USD ($) $ / shares shares	Jul. 27, 2018 USD ($) $ / shares shares	Dec. 31, 2019 $ / shares shares	Aug. 15, 2018 USD ($) $ / shares	Jul. 31, 2018	Apr. 30, 2018 $ / shares shares	Dec. 31, 2019 USD ($) $ / shares shares	Dec. 31, 2018 USD ($) $ / shares shares	Jun. 30, 2018 shares	Mar. 31, 2018 shares
Corporate Conversion, Reorganization, Stock Splits and IPO [Abstract]
Common stock, shares issued (in shares)				33,562,885				33,562,885	24,957,309
Conversion ratio, stock						12.34
Common stock, shares authorized (in shares)			250,000,000	250,000,000			350,000,000	250,000,000	250,000,000		25,000
Common stock, par value (in dollars per share) | $ / shares				$ 0.001				$ 0.001	$ 0.001
Initial Public Offering of Common Stock and Authorized Number of Capital Stock [Abstract]
Number of common shares issued (in shares)				8,050,000
Net proceeds from initial public offering | $					$ 63,482			$ 39,317	$ 68,830
Common stock, shares outstanding (in shares)				33,562,885				33,562,885	24,957,309
Initial Public Offering [Member]
Initial Public Offering of Common Stock and Authorized Number of Capital Stock [Abstract]
Number of common shares issued (in shares)			4,500,000
Share price (in dollars per share) | $ / shares			$ 15.00
Net proceeds from initial public offering | $			$ 57,543
Payments for deferred offering costs | $			$ 9,957
Over-Allotment Option [Member]
Initial Public Offering of Common Stock and Authorized Number of Capital Stock [Abstract]
Number of common shares issued (in shares)		425,727
Share price (in dollars per share) | $ / shares		$ 15.00			$ 15.00
Net proceeds from initial public offering | $		$ 5,939
Payments for deferred offering costs | $		$ 447
Follow-On Public Offering of Common Stock [Member]
Initial Public Offering of Common Stock and Authorized Number of Capital Stock [Abstract]
Number of common shares issued (in shares)	8,050,000
Net proceeds from initial public offering | $	$ 37,835
Payments for deferred offering costs | $	2,415
Professional fees and other costs | $	$ 540
Voting Common Stock [Member]
Corporate Conversion, Reorganization, Stock Splits and IPO [Abstract]
Common stock, par value (in dollars per share) | $ / shares							$ 0.001
Effect of stock split (in shares)							37,212
Nonvoting Common Stock [Member]
Initial Public Offering of Common Stock and Authorized Number of Capital Stock [Abstract]
Number of common shares issued (in shares)									4,922,353
Common stock, shares outstanding (in shares)									4,922,353	4,922,353
Aquestive Partners, LLC [Member] | Voting Common Stock [Member]
Corporate Conversion, Reorganization, Stock Splits and IPO [Abstract]
Common stock, shares issued (in shares)				5,000				5,000
Common Stock [Member]
Corporate Conversion, Reorganization, Stock Splits and IPO [Abstract]
Common stock, par value (in dollars per share) | $ / shares							$ 0.001
Effect of stock split (in shares)									15,072,647
Initial Public Offering of Common Stock and Authorized Number of Capital Stock [Abstract]
Number of common shares issued (in shares)								8,050,000	4,925,727