Significant Accounting Policies (Details) (USD $)	12 Months Ended
	Dec. 31, 2012 Barrelsofbeer	Dec. 31, 2011	Dec. 31, 2010
Accounts Receivable [Abstract]
Allowance for doubtful accounts	$ 25,000	$ 25,000
Inventories [Abstract]
Supply period of inventory recorded as a component of Intangible and other assets, minimum	12 months
Indefinite-Lived Intangible Assets [Abstract]
Impairment losses	0	0	0
Refundable Deposits on Kegs [Abstract]
Refundable deposits on kegs	7,600,000	7,100,000
Keg equipment, net of accumulated depreciation.	5,800,000	5,100,000
Exercise Taxes [Abstract]
Excise tax threshold for barrels of beer per calendar year	2,000,000
Excise tax for initial threshold (in dollars per barrel)	7
Initial threshold (in barrels)	60,000
Excise tax for barrels in excess of initial threshold (in dollars per barrel)	18
Marketing and Advertising Expense [Abstract]
Advertising expense	12,400,000	11,900,000	9,500,000
Carrying Amount [Member]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed-rate debt	1,260,000	1,544,000
Fair Value [Member] [Default]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Fixed-rate debt	$ 1,275,000	$ 1,615,000
Noncompete Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives	5 years
Distributor Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful lives	15 years
Buildings [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	30 years
Buildings [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	50 years
Brewery Equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	10 years
Brewery Equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	25 years
Furniture, Fixtures and Other Equipment [Member] | Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	2 years
Furniture, Fixtures and Other Equipment [Member] | Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	10 years
Vehicles [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives	5 years