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Revenue - Summary of Disaggregated Information Pertaining to Net Sales (Detail) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Disaggregation Of Revenue [Line Items] |  |
Net sales | $ 225,674 | $ 231,560
Product [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Net sales | 225,674 | 231,560
Composite Fibers [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Net sales | 141,249 | 132,711
Composite Fibers [Member] | Europe, Middle East and Africa [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Net sales | 86,945 | 79,586
Composite Fibers [Member] | Americas [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Net sales | 31,841 | 32,721
Composite Fibers [Member] | Asia Pacific [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Net sales | 22,463 | 20,404
Composite Fibers [Member] | Food & Beverage [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Net sales | 76,953 | 71,458
Composite Fibers [Member] | Wallcovering [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Net sales | 22,629 | 19,893
Composite Fibers [Member] | Technical Specialties [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Net sales | 23,495 | 20,007
Composite Fibers [Member] | Composite Laminates [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Net sales | 9,809 | 9,763
Composite Fibers [Member] | Metallized [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Net sales | 8,363 | 11,590
Airlaid Materials [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Net sales | 84,425 | 98,849
Airlaid Materials [Member] | Europe, Middle East and Africa [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Net sales | 45,072 | 52,720
Airlaid Materials [Member] | Americas [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Net sales | 37,485 | 44,386
Airlaid Materials [Member] | Asia Pacific [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Net sales | 1,868 | 1,743
Airlaid Materials [Member] | Feminine Hygiene [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Net sales | 47,641 | 50,096
Airlaid Materials [Member] | Specialty Wipes [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Net sales | 15,916 | 17,212
Airlaid Materials [Member] | Tabletop [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Net sales | 6,863 | 15,052
Airlaid Materials [Member] | Adult Incontinence [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Net sales | 4,678 | 6,145
Airlaid Materials [Member] | Home Care [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Net sales | 3,923 | 5,212
Airlaid Materials [Member] | Other [Member] |  |
Disaggregation Of Revenue [Line Items] |  |
Net sales | $ 5,404 | $ 5,132

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