Segment Results and Concentrations (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Net sales, gross profit and gross margin by segment [Abstract]
Net sales	$ 169,287	$ 149,197	$ 131,731
Gross profit	50,026	45,186	33,667
Gross margin (in hundredths)	29.60%	30.30%	25.60%
Sales [Member]
Sales and receivables from Anheuser-Busch, LLC [Abstract]
Sales from Anheuser-Busch, LLC (in hundredths)	81.10%	80.80%	81.10%
Accounts Receivable [Member]
Sales and receivables from Anheuser-Busch, LLC [Abstract]
Receivables from Anheuser-Busch, LLC (in hundredths)	60.60%	62.40%
Beer Related [Member]
Net sales, gross profit and gross margin by segment [Abstract]
Net sales	145,670	127,376	119,389
Gross profit	46,341	41,626	31,797
Gross margin (in hundredths)	31.80%	32.70%	26.60%
Pubs and Other [Member]
Net sales, gross profit and gross margin by segment [Abstract]
Net sales	23,617	21,821	12,342
Gross profit	$ 3,685	$ 3,560	$ 1,870
Gross margin (in hundredths)	15.60%	16.30%	15.20%