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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, 2019 | Sep. 30, 2018 | Sep. 30, 2019 | Sep. 30, 2018
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | $ 232,515 | $ 209,855 | $ 696,701 | $ 636,806
Product [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 232,515 | 209,855 | 696,701 | 636,806
Composite Fibers [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 127,704 | 139,176 | 389,002 | 423,707
Composite Fibers [Member] | Europe, Middle East and Africa [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 77,012 | 87,870 | 234,928 | 274,442
Composite Fibers [Member] | Americas [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 33,179 | 30,205 | 98,783 | 83,245
Composite Fibers [Member] | Asia Pacific [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 17,513 | 21,101 | 55,291 | 66,020
Composite Fibers [Member] | Food & Beverage [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 66,637 | 68,534 | 208,480 | 209,117
Composite Fibers [Member] | Wallcovering [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 20,673 | 26,135 | 62,181 | 82,056
Composite Fibers [Member] | Technical Specialties [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 20,301 | 20,615 | 58,855 | 63,182
Composite Fibers [Member] | Composite Laminates [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 8,859 | 10,544 | 26,552 | 28,902
Composite Fibers [Member] | Metallized [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 11,234 | 13,348 | 32,934 | 40,450
Airlaid Materials [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 104,811 | 70,679 | 307,699 | 213,099
Airlaid Materials [Member] | Europe, Middle East and Africa [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 58,279 | 35,283 | 167,924 | 107,416
Airlaid Materials [Member] | Americas [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 45,039 | 34,899 | 134,634 | 104,027
Airlaid Materials [Member] | Asia Pacific [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 1,493 | 497 | 5,141 | 1,656
Airlaid Materials [Member] | Feminine Hygiene [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 52,159 | 46,054 | 158,998 | 141,464
Airlaid Materials [Member] | Specialty Wipes [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 17,994 | 11,104 | 52,982 | 29,366
Airlaid Materials [Member] | Table Top [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 19,179 | 2,091 | 48,857 | 6,335
Airlaid Materials [Member] | Adult Incontinence [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 5,855 | 5,036 | 17,708 | 14,658
Airlaid Materials [Member] | Home Care [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | 4,857 | 4,009 | 13,173 | 11,911
Airlaid Materials [Member] | Other [Member] |  |  |  |
Disaggregation Of Revenue [Line Items] |  |  |  |
Net sales | $ 4,767 | $ 2,385 | $ 15,981 | $ 9,365

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