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, 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	$ 553	$ 1,445	$ 4,086	$ 3,672
Income tax benefit	(67)	(158)	(413)	(368)
Total expense after income taxes	486	1,287	3,673	3,304
Cost of goods sold
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total expense before income taxes	118	381	954	896
Selling, general and administrative expenses
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total expense before income taxes	$ 435	$ 1,064	$ 3,132	$ 2,776