Revenue from Contracts with Customers - Disaggregation of Revenue by Geographical Location (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Disaggregation of Revenue [Line Items]
Net sales	$ 146,160	$ 220,811	$ 346,687	$ 438,836
North America
Disaggregation of Revenue [Line Items]
Net sales	92,333	148,258	225,405	289,158
Europe
Disaggregation of Revenue [Line Items]
Net sales	43,243	58,548	100,816	120,490
Asia
Disaggregation of Revenue [Line Items]
Net sales	10,584	14,005	20,466	29,188
Operating Segments | Performance Materials
Disaggregation of Revenue [Line Items]
Net sales	58,473	65,102	123,693	129,682
Operating Segments | Performance Materials | North America
Disaggregation of Revenue [Line Items]
Net sales	40,190	47,822	86,107	94,199
Operating Segments | Performance Materials | Europe
Disaggregation of Revenue [Line Items]
Net sales	16,501	15,729	33,776	32,386
Operating Segments | Performance Materials | Asia
Disaggregation of Revenue [Line Items]
Net sales	1,782	1,551	3,810	3,097
Operating Segments | Technical Nonwovens
Disaggregation of Revenue [Line Items]
Net sales	52,007	69,078	109,410	134,684
Operating Segments | Technical Nonwovens | North America
Disaggregation of Revenue [Line Items]
Net sales	31,236	42,667	66,967	79,856
Operating Segments | Technical Nonwovens | Europe
Disaggregation of Revenue [Line Items]
Net sales	15,418	17,791	32,356	36,840
Operating Segments | Technical Nonwovens | Asia
Disaggregation of Revenue [Line Items]
Net sales	5,353	8,620	10,087	17,988
Operating Segments | Thermal Acoustical Solutions
Disaggregation of Revenue [Line Items]
Net sales	37,448	93,272	121,209	187,585
Operating Segments | Thermal Acoustical Solutions | North America
Disaggregation of Revenue [Line Items]
Net sales	22,575	64,235	79,676	127,837
Operating Segments | Thermal Acoustical Solutions | Europe
Disaggregation of Revenue [Line Items]
Net sales	11,424	25,203	34,964	51,645
Operating Segments | Thermal Acoustical Solutions | Asia
Disaggregation of Revenue [Line Items]
Net sales	3,449	3,834	6,569	8,103
Eliminations and Other
Disaggregation of Revenue [Line Items]
Net sales	(1,768)	(6,641)	(7,625)	(13,115)
Eliminations and Other | North America
Disaggregation of Revenue [Line Items]
Net sales	(1,668)	(6,466)	(7,345)	(12,734)
Eliminations and Other | Europe
Disaggregation of Revenue [Line Items]
Net sales	(100)	(175)	(280)	(381)
Eliminations and Other | Asia
Disaggregation of Revenue [Line Items]
Net sales	$ 0	$ 0	$ 0	$ 0