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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, sales discounts, and excise taxes.

+ References

No definition available.

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The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

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Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.1,2)

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This element represents the income or loss from continuing operations attributable to the economic entity which may also be defined as revenue less expenses from ongoing operations, after income or loss from equity method investments, but before income taxes, extraordinary items, and noncontrolling interest.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 10

-Article 5

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Operating Segments (Detail) - Operating Profit (Loss) Per Segment (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013
Sales to Customers
Sales to Customers	$ 76,325mgpi_SalesRevenuNet	$ 77,515mgpi_SalesRevenuNet	$ 80,567mgpi_SalesRevenuNet	$ 78,996mgpi_SalesRevenuNet	$ 77,294mgpi_SalesRevenuNet	$ 80,171mgpi_SalesRevenuNet	$ 79,395mgpi_SalesRevenuNet	$ 86,404mgpi_SalesRevenuNet	$ 313,403mgpi_SalesRevenuNet	$ 323,264mgpi_SalesRevenuNet
Gross Profit
Gross profit	6,011us-gaap_GrossProfit	7,311us-gaap_GrossProfit	8,308us-gaap_GrossProfit	6,801us-gaap_GrossProfit	7,914us-gaap_GrossProfit	815us-gaap_GrossProfit	5,281us-gaap_GrossProfit	7,229us-gaap_GrossProfit	28,431us-gaap_GrossProfit	21,239us-gaap_GrossProfit
Depreciation and amortization
Depreciation and amortization									12,325	12,009
Income (loss) before Income Taxes
Income (loss) before Income Taxes									25,940	(6,521)
Distillery Products [Member]
Sales to Customers
Sales to Customers									256,561	264,098
Gross Profit
Gross profit									22,332	14,309
Depreciation and amortization
Depreciation and amortization									8,510	8,209
Income (loss) before Income Taxes
Income (loss) before Income Taxes									28,701	11,987
Ingredient Solutions [Member]
Sales to Customers
Sales to Customers									56,842	58,967
Gross Profit
Gross profit									6,099	6,986
Depreciation and amortization
Depreciation and amortization									2,316	2,322
Income (loss) before Income Taxes
Income (loss) before Income Taxes									3,939	4,503
Other [Member]
Sales to Customers
Sales to Customers									0	199
Gross Profit
Gross profit									0	(56)
Depreciation and amortization
Depreciation and amortization									0	21
Income (loss) before Income Taxes
Income (loss) before Income Taxes									0	(90)
Corporate [Member]
Depreciation and amortization
Depreciation and amortization									1,499	1,457
Income (loss) before Income Taxes
Income (loss) before Income Taxes									$ (6,700)	$ (22,921)