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 |