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Inventories (Details) - USD ($)
$ in Thousands
Dec. 31, 2015
Dec. 31, 2014
Inventory Disclosure [Abstract]    
Finished goods $ 76,987 $ 83,904
Work in process 352 90
Raw materials 2,583 3,136
Packaging and supplies 3,560 1,490
Inventories $ 83,482 $ 88,620