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Product Warranty Narrative (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2020
Dec. 31, 2019
Product Warranty (Textual) [Abstract]    
Accrued product warranty costs $ 2,137 $ 2,194
Minimum    
Product Warranty (Textual) [Abstract]    
Limited warranty period on product 1 year  
Maximum    
Product Warranty (Textual) [Abstract]    
Limited warranty period on product 2 years