Inventories (Details) - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
Inventory Disclosure [Abstract]
Finished goods	$ 83,865	$ 83,904
Work in process	326	90
Raw materials	3,037	3,136
Packaging and supplies	4,141	1,490
Total	$ 91,369	$ 88,620