Operating Segments - Operating Profit (Loss) for Each Segment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Net Sales to Customers
Net Sales to Customers	$ 87,956	$ 87,169
Gross Profit
Gross Profit	18,951	19,041
Depreciation and Amortization
Depreciation and Amortization	2,929	2,738
Income (loss) before Income Taxes
Income (loss) before Income Taxes	10,182	11,532
Operating Segments | Distillery products
Net Sales to Customers
Net Sales to Customers	74,377	73,950
Gross Profit
Gross Profit	15,870	16,615
Depreciation and Amortization
Depreciation and Amortization	2,241	2,046
Income (loss) before Income Taxes
Income (loss) before Income Taxes	14,177	15,518
Operating Segments | Ingredient solutions
Net Sales to Customers
Net Sales to Customers	13,579	13,219
Gross Profit
Gross Profit	3,081	2,426
Depreciation and Amortization
Depreciation and Amortization	434	408
Income (loss) before Income Taxes
Income (loss) before Income Taxes	2,424	1,804
Corporate
Depreciation and Amortization
Depreciation and Amortization	254	284
Income (loss) before Income Taxes
Income (loss) before Income Taxes	$ (6,419)	$ (5,790)