Accounting Policies and Basis of Presentation (Detail) - USD ($) $ / shares in Units, $ in Thousands							3 Months Ended		9 Months Ended
	Sep. 08, 2016	Aug. 15, 2016	Apr. 14, 2016	Mar. 21, 2016	Apr. 21, 2015	Mar. 26, 2015	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Accounting Policies [Abstract]
Shipping and handling revenue							$ 3,599	$ 3,614	$ 10,272	$ 11,068
Debt instrument, fair value disclosure							46,432		46,432		$ 34,603
Long-term debt, gross							45,466		45,466		33,460
Unamortized loan fees							$ 621		621		$ 636
Common stock, dividends, per share, declared (in Dollars per share)		$ 0.02		$ 0.08		$ 0.06
Payments of dividends	$ 0		$ 1,378		$ 1,087				$ 1,722	$ 1,087
Dividends paid with cash	0		1,335		1,061
Dividend equivalent payments	$ 0		$ 43		$ 26