Operating Segments - Operating Profit (Loss) for Each Segment (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Net Sales to Customers
Net Sales to Customers	$ 88,252	$ 85,753	$ 176,208	$ 172,922
Gross Profit
Gross Profit	19,441	18,825	38,392	37,866
Depreciation and Amortization
Depreciation and Amortization	2,897	2,816	5,826	5,554
Income (loss) before Income Taxes
Income (loss) before Income Taxes	10,843	9,316	21,025	20,848
Operating Segments | Distillery products
Net Sales to Customers
Net Sales to Customers	72,652	70,699	147,029	144,648
Gross Profit
Gross Profit	16,680	15,953	32,550	32,568
Depreciation and Amortization
Depreciation and Amortization	2,257	2,125	4,498	4,171
Income (loss) before Income Taxes
Income (loss) before Income Taxes	14,777	14,131	28,954	29,649
Operating Segments | Ingredient solutions
Net Sales to Customers
Net Sales to Customers	15,600	15,054	29,179	28,274
Gross Profit
Gross Profit	2,761	2,872	5,842	5,298
Depreciation and Amortization
Depreciation and Amortization	379	416	813	824
Income (loss) before Income Taxes
Income (loss) before Income Taxes	2,142	2,269	4,566	4,074
Corporate
Depreciation and Amortization
Depreciation and Amortization	261	275	515	559
Income (loss) before Income Taxes
Income (loss) before Income Taxes	$ (6,076)	$ (7,084)	$ (12,495)	$ (12,875)