Segment Results and Concentrations (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Net sales, gross profit and gross margin by segment [Abstract]
Net sales	$ 200,022us-gaap_SalesRevenueNet	$ 179,180us-gaap_SalesRevenueNet	$ 169,287us-gaap_SalesRevenueNet
Gross profit	58,710us-gaap_GrossProfit	50,261us-gaap_GrossProfit	50,026us-gaap_GrossProfit
Gross margin (in hundredths)	29.40%brew_GrossMarginPercentage	28.10%brew_GrossMarginPercentage	29.60%brew_GrossMarginPercentage
Sales [Member]
Sales and receivables from Anheuser-Busch, LLC [Abstract]
Anheuser-Busch, LLC (in hundredths)	82.10%	82.60%	81.10%
Accounts Receivable [Member]
Sales and receivables from Anheuser-Busch, LLC [Abstract]
Anheuser-Busch, LLC (in hundredths)	66.80%	74.40%
Beer Related [Member] \| Reporting Segments [Member]
Net sales, gross profit and gross margin by segment [Abstract]
Net sales	173,687	154,830	145,670
Gross profit	55,174	47,055	46,341
Gross margin (in hundredths)	31.80%	30.40%	31.80%
Pubs [Member] \| Reporting Segments [Member]
Net sales, gross profit and gross margin by segment [Abstract]
Net sales	26,335	24,350	23,617
Gross profit	$ 3,536	$ 3,206	$ 3,685
Gross margin (in hundredths)	13.40%	13.20%	15.60%

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Gross margin is entity's total sales revenue minus its cost of goods sold, divided by the total sales revenue, expressed as percentage.

+ References

No definition available.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 21

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13537-108611

Reference 2: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

-Topic 275

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 825

-SubTopic 10

-Section 50

-Paragraph 20

-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13531-108611

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 275

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-Section 50

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

+ References

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- Definition

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, and sales discounts.

+ References

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)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 1

-Article 5

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