Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Inventories (Details)

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Inventories (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Inventory Disclosure [Abstract]    
Finished goods $ 87,967 $ 61,391
Work-in-process 3,106 2,616
Raw materials 77,431 59,517
Total Inventory $ 168,504 $ 123,524