Restructuring - Narrative (Details) - Technical Nonwovens - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Apr. 30, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Restructuring Cost and Reserve [Line Items]
Estimated pre-tax restructuring expense	$ 3,700
Restructuring, expected costs resulting in future cash expenditures	3,300
Cash paid	$ 3,800	$ 806	$ 2,198
Pre-tax restructuring expenses, excluding depreciation		800	2,300	$ 700
Cost of Sales
Restructuring Cost and Reserve [Line Items]
Pre-tax restructuring expenses, excluding depreciation		600	1,900
Selling, Product Development and Administrative Expenses
Restructuring Cost and Reserve [Line Items]
Pre-tax restructuring expenses, excluding depreciation		$ 200	$ 400