Revenue from Contracts with Customers - Disaggregation of Revenue by Geographical Location (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Disaggregation of Revenue [Line Items]
Net sales	$ 193,288	$ 205,274	$ 220,811	$ 218,025	$ 209,938	$ 197,886	$ 186,413	$ 191,660	$ 837,398	$ 785,897	$ 698,437
North America
Disaggregation of Revenue [Line Items]
Net sales									555,256	509,844
Europe
Disaggregation of Revenue [Line Items]
Net sales									227,848	221,799
Asia
Disaggregation of Revenue [Line Items]
Net sales									54,294	54,254
Operating Segments | Performance Materials
Disaggregation of Revenue [Line Items]
Net sales									245,480	169,217	116,669
Operating Segments | Performance Materials | North America
Disaggregation of Revenue [Line Items]
Net sales									176,094	117,313
Operating Segments | Performance Materials | Europe
Disaggregation of Revenue [Line Items]
Net sales									61,889	49,055
Operating Segments | Performance Materials | Asia
Disaggregation of Revenue [Line Items]
Net sales									7,497	2,849
Operating Segments | Technical Nonwovens
Disaggregation of Revenue [Line Items]
Net sales									255,346	277,071	269,077
Operating Segments | Technical Nonwovens | North America
Disaggregation of Revenue [Line Items]
Net sales									157,579	167,519
Operating Segments | Technical Nonwovens | Europe
Disaggregation of Revenue [Line Items]
Net sales									68,456	73,912
Operating Segments | Technical Nonwovens | Asia
Disaggregation of Revenue [Line Items]
Net sales									29,311	35,640
Operating Segments | Thermal Acoustical Solutions
Disaggregation of Revenue [Line Items]
Net sales									361,577	365,427	342,105
Operating Segments | Thermal Acoustical Solutions | North America
Disaggregation of Revenue [Line Items]
Net sales									245,870	250,133
Operating Segments | Thermal Acoustical Solutions | Europe
Disaggregation of Revenue [Line Items]
Net sales									98,221	99,529
Operating Segments | Thermal Acoustical Solutions | Asia
Disaggregation of Revenue [Line Items]
Net sales									17,486	15,765
Eliminations and Other
Disaggregation of Revenue [Line Items]
Net sales									(25,005)	(25,818)	$ (29,414)
Eliminations and Other | North America
Disaggregation of Revenue [Line Items]
Net sales									(24,287)	(25,121)
Eliminations and Other | Europe
Disaggregation of Revenue [Line Items]
Net sales									(718)	(697)
Eliminations and Other | Asia
Disaggregation of Revenue [Line Items]
Net sales									$ 0	$ 0