Quarterly report pursuant to Section 13 or 15(d)

Inventories (Details)

v3.19.3
Inventories (Details) - USD ($)
$ in Thousands
Sep. 30, 2019
Dec. 31, 2018
Inventories    
Finished goods $ 44,049 $ 43,192
Work-in-process 10,611 7,357
Raw material and supplies 35,746 31,447
Inventories 90,406 81,996
Inventories - truck chassis floor plan $ 19,709 $ 4,204