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COMPONENTS OF THE COMPANY'S CONDENSED CONSOLIDATED BALANCE SHEETS Inventory (Details) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Balance Sheet Related Disclosures [Abstract]    
Raw materials $ 43,795 $ 39,058
Work-in-process 33,588 25,982
Finished goods 26,580 25,340
Total $ 103,963 $ 90,380