Share-Based Compensation - Schedule of Compensation Cost for Restricted Stock Units (Details) - Restricted Stock - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total expense before income taxes	$ 1,084	$ 979	$ 3,611	$ 3,471
Income tax benefit	(204)	(177)	(684)	(620)
Total expense after income taxes	880	802	2,927	2,851
Cost of goods sold
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total expense before income taxes	(10)	77	192	316
Selling, general and administrative expenses
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total expense before income taxes	$ 1,094	$ 902	$ 3,419	$ 3,155