Segment Results and Concentrations (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Net sales, gross profit and gross margin by segment [Abstract]
Net sales	$ 54,689	$ 52,073	$ 154,929	$ 152,585
Gross profit	$ 16,859	$ 14,645	$ 46,711	$ 45,059
Gross margin (in hundredths)	30.80%	28.10%	30.10%	29.50%
Beer Related | Operating Segments
Net sales, gross profit and gross margin by segment [Abstract]
Net sales	$ 46,940	$ 44,663	$ 133,727	$ 132,520
Gross profit	$ 15,633	$ 13,447	$ 43,914	$ 42,153
Gross margin (in hundredths)	33.30%	30.10%	32.80%	31.80%
Pubs | Operating Segments
Net sales, gross profit and gross margin by segment [Abstract]
Net sales	$ 7,749	$ 7,410	$ 21,202	$ 20,065
Gross profit	$ 1,226	$ 1,198	$ 2,797	$ 2,906
Gross margin (in hundredths)	15.80%	16.20%	13.20%	14.50%
Sales
Sales and receivables from Anheuser-Busch, LLC [Abstract]
Anheuser-Busch, LLC (in hundredths)	80.80%	81.00%	80.80%	82.00%
Accounts Receivable
Sales and receivables from Anheuser-Busch, LLC [Abstract]
Anheuser-Busch, LLC (in hundredths)			69.20%		66.80%