Accounting Policies and Basis of Presentation (Detail) - Inventory (USD $) In Thousands, unless otherwise specified	Jun. 30, 2014	Dec. 31, 2013
Accounting Policies [Abstract]
Finished goods	$ 9,500	$ 11,355
Barreled distillate	9,688	10,310
Work in process	2,547	2,737
Raw materials	4,670	5,183
Maintenance materials	5,029	4,766
Other	513	566
Total	$ 31,947	$ 34,917