Segment Results and Concentrations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Net sales, gross profit and gross margin by segment [Abstract]
Net Sales	$ 206,186	$ 207,456	$ 202,507
Gross profit	$ 68,323	$ 65,258	$ 59,599
Gross margin (in hundredths)	33.10%	31.50%	29.40%
Beer Related | Operating Segments
Net sales, gross profit and gross margin by segment [Abstract]
Net Sales	$ 182,163	$ 179,830	$ 173,657
Gross profit	$ 66,958	$ 63,412	$ 55,667
Gross margin (in hundredths)	36.80%	35.30%	32.10%
Brewpubs | Operating Segments
Net sales, gross profit and gross margin by segment [Abstract]
Net Sales	$ 24,023	$ 27,626	$ 28,850
Gross profit	$ 1,365	$ 1,846	$ 3,932
Gross margin (in hundredths)	5.70%	6.70%	13.60%
Sales
Sales and receivables from Anheuser-Busch, LLC [Abstract]
Anheuser-Busch, LLC (in hundredths)	77.20%	74.90%	77.80%
Accounts Receivable
Sales and receivables from Anheuser-Busch, LLC [Abstract]
Anheuser-Busch, LLC (in hundredths)	79.80%	74.40%