Inventories (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Inventory Disclosure [Abstract]
Finished goods	$ 84,208	$ 67,187
Work in process	181	286
Raw materials	2,699	2,346
Packaging and supplies	2,443	1,122
Total	$ 89,531	$ 70,941