Revenue - Summary of Disaggregated Information Pertaining to Net Sales (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Disaggregation Of Revenue [Line Items]
Net sales	$ 231,560	$ 229,133
Product [Member]
Disaggregation Of Revenue [Line Items]
Net sales	231,560	229,133
Composite Fibers [Member]
Disaggregation Of Revenue [Line Items]
Net sales	132,711	128,717
Composite Fibers [Member] | Europe, Middle East and Africa [Member]
Disaggregation Of Revenue [Line Items]
Net sales	79,586	77,914
Composite Fibers [Member] | Americas [Member]
Disaggregation Of Revenue [Line Items]
Net sales	32,721	31,640
Composite Fibers [Member] | Asia Pacific [Member]
Disaggregation Of Revenue [Line Items]
Net sales	20,404	19,163
Composite Fibers [Member] | Food & Beverage [Member]
Disaggregation Of Revenue [Line Items]
Net sales	71,458	71,453
Composite Fibers [Member] | Wallcovering [Member]
Disaggregation Of Revenue [Line Items]
Net sales	19,893	18,550
Composite Fibers [Member] | Technical Specialties [Member]
Disaggregation Of Revenue [Line Items]
Net sales	20,007	19,288
Composite Fibers [Member] | Composite Laminates [Member]
Disaggregation Of Revenue [Line Items]
Net sales	9,763	8,475
Composite Fibers [Member] | Metallized [Member]
Disaggregation Of Revenue [Line Items]
Net sales	11,590	10,951
Airlaid Materials [Member]
Disaggregation Of Revenue [Line Items]
Net sales	98,849	100,416
Airlaid Materials [Member] | Europe, Middle East and Africa [Member]
Disaggregation Of Revenue [Line Items]
Net sales	52,720	54,439
Airlaid Materials [Member] | Americas [Member]
Disaggregation Of Revenue [Line Items]
Net sales	44,386	44,334
Airlaid Materials [Member] | Asia Pacific [Member]
Disaggregation Of Revenue [Line Items]
Net sales	1,743	1,643
Airlaid Materials [Member] | Feminine Hygiene [Member]
Disaggregation Of Revenue [Line Items]
Net sales	50,096	54,988
Airlaid Materials [Member] | Specialty Wipes [Member]
Disaggregation Of Revenue [Line Items]
Net sales	17,212	17,332
Airlaid Materials [Member] | Table Top [Member]
Disaggregation Of Revenue [Line Items]
Net sales	15,052	13,331
Airlaid Materials [Member] | Adult Incontinence [Member]
Disaggregation Of Revenue [Line Items]
Net sales	6,145	5,488
Airlaid Materials [Member] | Home Care [Member]
Disaggregation Of Revenue [Line Items]
Net sales	5,212	3,964
Airlaid Materials [Member] | Other [Member]
Disaggregation Of Revenue [Line Items]
Net sales	$ 5,132	$ 5,313