XML 52 R41.htm IDEA: XBRL DOCUMENT v3.20.2
Inventories - Schedule of Inventory (Details) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Inventory Disclosure [Abstract]    
Raw materials $ 33,151 $ 36,956
Finished goods 20,274 21,598
Inventories, net 53,425 58,554
Service and sales demonstration inventory, net $ 34,130 $ 33,349