XML 23 R49.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Inventories - Summary of Inventories (Detail) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Inventory Disclosure [Abstract]    
Raw materials $ 35,901 $ 37,696
Work-in-process 5,184 4,740
Finished goods 8,102 4,934
Net balance $ 49,187 $ 47,370