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Commitments and Contingencies - Narrative (Details) | Oct. 21, 2016 USD ($) authority
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Commitments and Contingencies Disclosure [Abstract] |
Number of regulatory authorities that may impose penalty or fine | authority | 1
Insurance deductible | $ | $ 250,000

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- Definition Loss Contingency, Insurance, Deductible + References No definition available. + Details
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Balance Type: | debit
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- Definition Loss Contingency, Probable Penalty to be Imposed, Number of Regulatory Authorities + References No definition available. + Details
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Namespace Prefix: | mgpi_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | na
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