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Revenue - Summary of Disaggregated Information Pertaining to Net Sales (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | $ 233,473 | $ 232,515 | $ 681,216 | $ 696,701
Product [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 233,473 | 232,515 | 681,216 | 696,701
Composite Fibers [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 132,419 | 127,704 | 387,267 | 389,002
Composite Fibers [Member] | Europe, Middle East and Africa [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 82,032 | 77,012 | 230,434 | 234,928
Composite Fibers [Member] | Americas [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 31,583 | 33,179 | 97,656 | 98,783
Composite Fibers [Member] | Asia Pacific [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 18,804 | 17,513 | 59,177 | 55,291
Composite Fibers [Member] | Food & Beverage [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 68,593 | 66,637 | 213,074 | 208,480
Composite Fibers [Member] | Wallcovering [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 24,695 | 20,673 | 55,847 | 62,181
Composite Fibers [Member] | Technical Specialties [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 22,517 | 20,301 | 61,340 | 58,855
Composite Fibers [Member] | Composite Laminates [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 8,640 | 8,859 | 26,529 | 26,552
Composite Fibers [Member] | Metallized [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 7,974 | 11,234 | 30,477 | 32,934
Airlaid Materials [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 101,054 | 104,811 | 293,949 | 307,699
Airlaid Materials [Member] | Europe, Middle East and Africa [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 52,835 | 58,279 | 151,434 | 167,924
Airlaid Materials [Member] | Americas [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 44,141 | 45,039 | 133,789 | 134,634
Airlaid Materials [Member] | Asia Pacific [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 4,078 | 1,493 | 8,726 | 5,141
Airlaid Materials [Member] | Feminine Hygiene [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 53,463 | 52,159 | 154,227 | 158,998
Airlaid Materials [Member] | Specialty Wipes [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 17,929 | 17,994 | 56,088 | 52,982
Airlaid Materials [Member] | Tabletop [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 12,445 | 19,179 | 33,026 | 48,857
Airlaid Materials [Member] | Adult Incontinence [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 5,255 | 5,855 | 16,411 | 17,708
Airlaid Materials [Member] | Home Care [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 7,121 | 4,857 | 18,611 | 13,173
Airlaid Materials [Member] | Other [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | $ 4,841 | $ 4,767 | $ 15,586 | $ 15,981

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