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Summary of Significant Accounting Policies (Schedule of Inventory, Current) (Details) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Summary of Significant Accounting Policies [Abstract]    
Raw materials $ 35,665 $ 36,021
Work-in-progress 7,483 7,162
Finished goods 16,969 17,826
Total inventories, net $ 60,117 $ 61,009