Equity and EPS - Computations (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Operations:
Net income	$ 37,371	$ 15,427
Net loss attributable to noncontrolling interest	66	0
Less: Income attributable to participating securities (unvested shares and units), basic	(318)	(146)
Less: Income attributable to participating securities (unvested shares and units), diluted	(318)	(146)
Net income attributable to MGP Ingredients, Inc., basic	37,119	15,281
Net income attributable to MGP Ingredients, Inc., diluted	$ 37,119	$ 15,281
Basic weighted average common shares (in shares)	21,989,100	16,928,003
Diluted weighted average common shares (in shares)	21,989,100	16,928,003
Basic EPS (in dollars per share)	$ 1.69	$ 0.90
Diluted EPS (in dollars per share)	$ 1.69	$ 0.90
Restricted Stock Units (RSUs)
Operations:
Participating securities (in shares)	189,297	162,496