Operating Segments (Detail) - Operating Profit (Loss) Per Segment (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012
Sales to Customers
Sales to Customers	$ 77,294	$ 80,171	$ 79,395	$ 86,404	$ 86,350	$ 76,107	$ 85,534	$ 86,344	$ 323,264	$ 334,335
Depreciation and amortization
Depreciation and amortization									12,009	11,568
Total [Member]
Depreciation and amortization
Depreciation and amortization									12,009	11,568
Income (loss) before Income Taxes
Income (loss) before Income Taxes									(6,521)	1,942
Distillery Products [Member]
Sales to Customers
Sales to Customers									264,098	276,690
Depreciation and amortization
Depreciation and amortization									8,209	5,662
Income (loss) before Income Taxes
Income (loss) before Income Taxes									11,987	14,874
Ingredient Solutions [Member]
Sales to Customers
Sales to Customers									58,967	56,488
Depreciation and amortization
Depreciation and amortization									2,322	2,427
Income (loss) before Income Taxes
Income (loss) before Income Taxes									4,503	5,217
Other [Member]
Sales to Customers
Sales to Customers									199	1,157
Depreciation and amortization
Depreciation and amortization									21	244
Income (loss) before Income Taxes
Income (loss) before Income Taxes									(90)	(429)
Other [Member] | Total [Member]
Sales to Customers
Sales to Customers									323,264	334,335
Corporate [Member]
Depreciation and amortization
Depreciation and amortization									1,457	3,235
Income (loss) before Income Taxes
Income (loss) before Income Taxes									(22,921)	(21,775)
Gain On Sale Of Joint Venture Interest [Member]
Income (loss) before Income Taxes
Income (loss) before Income Taxes									$ 0	$ 4,055