Corporate Organization and Company Overview (Details) $ / shares in Units, $ in Thousands			1 Months Ended		3 Months Ended
	Aug. 15, 2018 USD ($) $ / shares shares	Jul. 27, 2018 USD ($) $ / shares shares	Aug. 15, 2018 USD ($) $ / shares	Apr. 30, 2018 $ / shares shares	Mar. 31, 2018 shares	Mar. 31, 2019 $ / shares shares	Dec. 31, 2018 $ / shares shares	Jun. 30, 2018 shares
Corporate Conversion, Reorganization, Stock Splits and IPO [Abstract]
Common stock, shares issued (in shares)						24,975,139	24,957,309
Conversion ratio, stock				0.08
Common stock, shares authorized (in shares)				350,000,000	25,000	250,000,000	250,000,000
Common stock, par value (in dollars per share) | $ / shares						$ 0.001	$ 0.001
Initial Public Offering of Common Stock and Authorized Number of Capital Stock [Abstract]
Share price (in dollars per share) | $ / shares						$ 15.00
Net proceeds from initial public offering | $			$ 63,482
Common stock, shares outstanding (in shares)						24,975,139	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
Stock issuance 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
Stock issuance costs | $	$ 447
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]
Common stock, shares outstanding (in shares)								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
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