CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Total	Preferred Stock	Common Stock	Treasury Stock	Additional Paid-in Capital	Accumulated Deficit	Accumulated Other Comprehensive Loss
Beginning balance (in shares) at Dec. 31, 2019		1	51,839,527
Beginning balance at Dec. 31, 2019	$ 333,686	$ 0	$ 5	$ (3,885)	$ 560,890	$ (192,264)	$ (31,060)
Increase (Decrease) in Stockholders' Equity
Stock-based compensation	643				643
Issuance of stock, net of forfeitures (in shares)			26,829
Shares withheld for taxes (in shares)			(30,368)
Shares withheld for taxes	(166)				(166)
Adjustment of NCI to redemption value					(69)	69
Net loss attributable to AgroFresh Solutions, Inc.	(3,717)					(3,717)
Comprehensive loss	(10,122)						(10,122)
Ending balance (in shares) at Mar. 31, 2020		1	51,835,988
Ending balance at Mar. 31, 2020	320,324	$ 0	$ 5	(3,885)	561,298	(195,912)	(41,182)
Beginning balance (in shares) at Dec. 31, 2019		1	51,839,527
Beginning balance at Dec. 31, 2019	333,686	$ 0	$ 5	(3,885)	560,890	(192,264)	(31,060)
Increase (Decrease) in Stockholders' Equity
Adjustment of NCI to redemption value	1,139
Ending balance (in shares) at Dec. 31, 2020		1	53,092,328
Ending balance at Dec. 31, 2020	272,393	$ 0	$ 5	(3,885)	552,776	(244,836)	(31,667)
Increase (Decrease) in Stockholders' Equity
Stock-based compensation	752				752
Issuance of stock, net of forfeitures (in shares)			(20,242)
Shares withheld for taxes (in shares)			(20,610)
Shares withheld for taxes	(43)				(43)
Adjustment of NCI to redemption value	0
Convertible preferred dividend	(6,005)				(6,005)
Net loss attributable to AgroFresh Solutions, Inc.	8,423					8,423
Comprehensive loss	(6,558)						(6,558)
Ending balance (in shares) at Mar. 31, 2021		1	53,051,476
Ending balance at Mar. 31, 2021	$ 268,962	$ 0	$ 5	$ (3,885)	$ 547,480	$ (236,413)	$ (38,225)