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Net Sales and Revenue Recognition - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Revenues [Abstract]      
Net Reporting Amount $ 48.0 $ 47.1 $ 44.5
Deferred Revenue $ 2.2 $ 1.3  
Top Five Customers Concentration Risk [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 12.00%    
Top Customer Concentration Risk [Member]      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 6.00%