COVER PAGE - USD ($)	12 Months Ended
	Dec. 31, 2021	Feb. 18, 2022	Jun. 30, 2021
Cover [Abstract]
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2021
Current Fiscal Year End Date	--12-31
Document Transition Report	false
Entity File Number	0-17196
Entity Registrant Name	MGP Ingredients, Inc.
Entity Incorporation, State or Country Code	KS
Entity Tax Identification Number	45-4082531
Entity Address, Postal Zip Code	66002
Entity Address, Address Line One	100 Commercial Street, Box 130
Entity Address, City or Town	Atchison
Entity Address, State or Province	KS
City Area Code	(913)
Local Phone Number	367-1480
Title of 12(b) Security	Common Stock, no par value
Trading Symbol	MGPI
Security Exchange Name	NASDAQ
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Large Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Entity Shell Company	false
Entity Public Float			$ 880,067,784
Entity Common Stock, Shares Outstanding (in shares)		21,965,451
Documents Incorporated by Reference	Portions of the MGP Ingredients, Inc. Proxy Statement for the Annual Meeting of Stockholders to be held on May 26, 2022 are incorporated by reference into Part III of this report to the extent set forth herein.
Amendment Flag	false
Entity Central Index Key	0000835011
Document Fiscal Year Focus	2021
Document Fiscal Period Focus	FY