Annual report pursuant to Section 13 and 15(d)

Inventories (Details)

v3.20.1
Inventories (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Inventories [Abstract]    
Finished goods $ 59,452 $ 51,626
Work-in-process 7,474 6,221
Raw materials and supplies 6,506 7,086
Inventories $ 73,432 $ 64,933