Share-Based Compensation - Schedule of Compensation Cost for Restricted Stock Units (Details) - Restricted Stock - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total expense before income taxes	$ 4,175	$ 4,788	$ 4,568
Income tax benefit	(876)	(920)	(825)
Total expense after income taxes	3,299	3,868	3,743
Cost of goods sold
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total expense before income taxes	318	261	367
Selling, general and administrative expenses
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Total expense before income taxes	$ 3,857	$ 4,527	$ 4,201