Operating Segments - Operating Profit (Loss) Per Segment (Detail) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Net sales to customers:
Sales to Customers	$ 81,509	$ 80,328	$ 85,354	$ 80,413	$ 76,325	$ 77,515	$ 80,567	$ 78,996	$ 327,604	$ 313,403	$ 323,264
Gross profit:
Gross profit	$ 15,755	$ 11,862	$ 17,528	$ 13,388	$ 6,011	$ 7,311	$ 8,308	$ 6,801	58,533	28,431	21,239
Depreciation and amortization:
Depreciation and amortization									12,382	12,325	12,009
Income (loss) from continuing operations before income taxes:
Income (loss) before income taxes									38,418	25,940	(6,521)
Operating Segments [Member] | Distillery Products [Member]
Net sales to customers:
Sales to Customers									270,225	256,561	264,098
Gross profit:
Gross profit									50,662	22,332	14,309
Depreciation and amortization:
Depreciation and amortization									8,900	8,510	8,209
Income (loss) from continuing operations before income taxes:
Income (loss) before income taxes									49,097	28,701	11,987
Operating Segments [Member] | Ingredient Solutions [Member]
Net sales to customers:
Sales to Customers									57,379	56,842	58,967
Gross profit:
Gross profit									7,871	6,099	6,986
Depreciation and amortization:
Depreciation and amortization									2,111	2,316	2,322
Income (loss) from continuing operations before income taxes:
Income (loss) before income taxes									5,636	3,939	4,503
Operating Segments [Member] | Other [Member]
Net sales to customers:
Sales to Customers									0	0	199
Gross profit:
Gross profit									0	0	(56)
Depreciation and amortization:
Depreciation and amortization									0	0	21
Income (loss) from continuing operations before income taxes:
Income (loss) before income taxes									0	0	(90)
Corporate [Member]
Depreciation and amortization:
Depreciation and amortization									1,371	1,499	1,457
Income (loss) from continuing operations before income taxes:
Income (loss) before income taxes									$ (16,315)	$ (6,700)	$ (22,921)