Quarterly report pursuant to Section 13 or 15(d)

Inventories (Details)

v3.19.2
Inventories (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Dec. 31, 2018
Inventories    
Raw materials $ 56,547 $ 40,348
Work in process 3,915 3,840
Finished goods 110,935 124,712
Total $ 171,397 $ 168,900