Revenue from Contracts with Customers - Disaggregation of Revenue by Geographical Location (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Disaggregation of Revenue [Line Items]
Net sales	$ 218,025	$ 191,660
North America
Disaggregation of Revenue [Line Items]
Net sales	140,900	120,447
Europe
Disaggregation of Revenue [Line Items]
Net sales	61,942	58,788
Asia
Disaggregation of Revenue [Line Items]
Net sales	15,183	12,425
Operating Segments | Performance Materials
Disaggregation of Revenue [Line Items]
Net sales	64,580	30,693
Operating Segments | Performance Materials | North America
Disaggregation of Revenue [Line Items]
Net sales	46,377	19,161
Operating Segments | Performance Materials | Europe
Disaggregation of Revenue [Line Items]
Net sales	16,657	11,532
Operating Segments | Performance Materials | Asia
Disaggregation of Revenue [Line Items]
Net sales	1,546	0
Operating Segments | Technical Nonwovens
Disaggregation of Revenue [Line Items]
Net sales	65,606	67,541
Operating Segments | Technical Nonwovens | North America
Disaggregation of Revenue [Line Items]
Net sales	37,189	39,133
Operating Segments | Technical Nonwovens | Europe
Disaggregation of Revenue [Line Items]
Net sales	19,049	19,386
Operating Segments | Technical Nonwovens | Asia
Disaggregation of Revenue [Line Items]
Net sales	9,368	9,022
Operating Segments | Thermal Acoustical Solutions
Disaggregation of Revenue [Line Items]
Net sales	94,313	101,437
Operating Segments | Thermal Acoustical Solutions | North America
Disaggregation of Revenue [Line Items]
Net sales	63,602	69,979
Operating Segments | Thermal Acoustical Solutions | Europe
Disaggregation of Revenue [Line Items]
Net sales	26,442	28,055
Operating Segments | Thermal Acoustical Solutions | Asia
Disaggregation of Revenue [Line Items]
Net sales	4,269	3,403
Eliminations and Other
Disaggregation of Revenue [Line Items]
Net sales	(6,474)	(8,011)
Eliminations and Other | North America
Disaggregation of Revenue [Line Items]
Net sales	(6,268)	(7,826)
Eliminations and Other | Europe
Disaggregation of Revenue [Line Items]
Net sales	(206)	(185)
Eliminations and Other | Asia
Disaggregation of Revenue [Line Items]
Net sales	$ 0	$ 0