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Share-Based Compensation - Schedule of Compensation Cost for Cash-settled Restricted Stock (Details) - Cash-settled Restricted Stock - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2016
Sep. 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Total expense before income taxes $ 1,188 $ 193 $ 2,469 $ 1,622
Income tax benefit (170) (28) (354) (251)
Total expense after income taxes 1,018 165 2,115 1,371
Cost of goods sold        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Total expense before income taxes 307 29 627 533
Selling, general and administrative expenses        
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items]        
Total expense before income taxes $ 881 $ 164 $ 1,842 $ 1,089