Quarterly report pursuant to Section 13 or 15(d)

Inventories (Details)

v3.20.2
Inventories (Details) - USD ($)
$ in Thousands
Sep. 30, 2020
Dec. 31, 2019
Inventories [Abstract]    
Finished goods $ 51,685 $ 59,452
Work-in-process 4,984 7,474
Raw materials and supplies 8,228 6,506
Inventories $ 64,897 $ 73,432