Document and Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2015	Mar. 02, 2016	Jun. 30, 2015
Document and Entity Information [Abstract]
Entity Registrant Name	MGP INGREDIENTS INC
Document Type	10-K
Current Fiscal Year End Date	--12-31
Entity Common Stock, Shares Outstanding		16,687,127
Amendment Flag	true
Entity Central Index Key	0000835011
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Filer Category	Accelerated Filer
Entity Well-known Seasoned Issuer	No
Document Period End Date	Dec. 31, 2015
Document Fiscal Year Focus	2015
Document Fiscal Period Focus	FY
Entity Public Float			$ 225,098,022
Amendment Description	The purpose of this Amendment No. 1 on Form 10-K/A ("Amendment") is to amend our Annual Report on Form 10-K for the fiscal year ended December 31, 2015, which was filed on March 10, 2016. This Amendment is being filed solely to correct inadvertent errors in the Report of Independent Registered Public Accounting Firm on Consolidated Financial Statements (the “Audit Opinion”), included in Part II, Item 8, Financial Statements and Supplementary Data, on page 38 of the original filing of this Form 10-K Report. KPMG LLP has revised its Audit Opinion to include references to 2013 financial statements and to change an erroneous reference in the last sentence from Internal Control - Integrated Framework (1992) to Internal Control - Integrated Framework (2013). The Company adopted the 2013 Framework during the year ending December 31, 2015. In addition, as required by Rule 12b-15 under the Securities Exchange Act of 1934, our principal executive officer and principal financial officer have provided re-executed Rule 13a-14 certifications dated as of the date of this Amendment and are also furnishing written statements pursuant to Title 18 United States Code, as added by Section 906 of the Sarbanes-Oxley Act of 2002. The certifications are attached as Exhibits 31.1, 31.2, 32.1 and 32.2 to this Amendment. The Exhibit section also has been revised to include as Exhibit 23.1 the updated consent of the Independent Registered Public Accounting Firm. The other items and exhibits included in our Annual Report on Form 10-K as filed on March 10, 2016 are unaffected by this Amendment but are included with the Amendment to aid the reader of the Amendment. Except as described above, no other changes have been made to the original Form 10-K and this Form 10-K/A does not amend, update or change the financial statements or any other items or disclosures in the original Form 10-K.