Revenue - Summary of Disaggregated Information Pertaining to Net Sales (Detail) - 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	$ 230,972	$ 232,515	$ 235,053	$ 229,133	$ 229,480	$ 209,855	$ 215,742	$ 211,209	$ 927,673	$ 866,286	$ 800,362
Americas [Member]
Disaggregation Of Revenue [Line Items]
Net sales									167,887	124,690	89,773
Product [Member]
Disaggregation Of Revenue [Line Items]
Net sales									927,673	866,286	800,362
Composite Fibers [Member]
Disaggregation Of Revenue [Line Items]
Net sales									521,666	554,869	544,260
Composite Fibers [Member] | Europe, Middle East and Africa [Member]
Disaggregation Of Revenue [Line Items]
Net sales									312,218	354,978	349,336
Composite Fibers [Member] | Americas [Member]
Disaggregation Of Revenue [Line Items]
Net sales									132,845	113,546	107,064
Composite Fibers [Member] | Asia Pacific [Member]
Disaggregation Of Revenue [Line Items]
Net sales									76,603	86,345	87,860
Composite Fibers [Member] | Food & Beverage [Member]
Disaggregation Of Revenue [Line Items]
Net sales									278,786	279,515	268,474
Composite Fibers [Member] | Wallcovering [Member]
Disaggregation Of Revenue [Line Items]
Net sales									81,679	103,686	103,011
Composite Fibers [Member] | Technical Specialties and Other [Member]
Disaggregation Of Revenue [Line Items]
Net sales									79,535	81,281	76,991
Composite Fibers [Member] | Metallized [Member]
Disaggregation Of Revenue [Line Items]
Net sales									46,392	52,174	57,088
Composite Fibers [Member] | Composite Laminates [Member]
Disaggregation Of Revenue [Line Items]
Net sales									35,274	38,213	38,696
Airlaid Materials [Member]
Disaggregation Of Revenue [Line Items]
Net sales									406,007	311,417	256,102
Airlaid Materials [Member] | Europe, Middle East and Africa [Member]
Disaggregation Of Revenue [Line Items]
Net sales									220,924	163,157	132,480
Airlaid Materials [Member] | Americas [Member]
Disaggregation Of Revenue [Line Items]
Net sales									179,067	144,913	122,379
Airlaid Materials [Member] | Asia Pacific [Member]
Disaggregation Of Revenue [Line Items]
Net sales									6,016	3,347	1,243
Airlaid Materials [Member] | Feminine Hygiene [Member]
Disaggregation Of Revenue [Line Items]
Net sales									207,301	195,686	179,671
Airlaid Materials [Member] | Specialty Wipes [Member]
Disaggregation Of Revenue [Line Items]
Net sales									70,149	45,375	29,519
Airlaid Materials [Member] | Table Top [Member]
Disaggregation Of Revenue [Line Items]
Net sales									66,486	21,600	6,707
Airlaid Materials [Member] | Adult Incontinence [Member]
Disaggregation Of Revenue [Line Items]
Net sales									25,233	19,734	14,425
Airlaid Materials [Member] | Home Care [Member]
Disaggregation Of Revenue [Line Items]
Net sales									17,266	16,010	13,029
Airlaid Materials [Member] | Other [Member]
Disaggregation Of Revenue [Line Items]
Net sales									$ 19,572	$ 13,012	$ 12,751