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Stockholders' Equity - Narrative (Details) - USD ($) $ in Millions | 1 Months Ended | 12 Months Ended |  |
--- | --- | --- | --- | ---
Apr. 30, 2015 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020 | Mar. 28, 2022 | Dec. 31, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Restricted stock award, issued during period (in shares) |  | 2,110,427 |  |  |  |
Compensation expense |  | $ 2.8 |  |  |  |
Restricted Stock |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Number of shares authorized (in shares) |  | 5,000,000 |  |  |  |
Limitation on single participant (in shares) (no more than) |  | 750,000 |  |  |  |
Restricted stock award, not yet vested (in shares) |  | 526,961 | 377,729 | 405,299 |  | 221,622
Unrecognized compensation expense |  | $ 9.7 |  |  |  |
Weighted average period |  | 2 years |  |  |  |
Nonvested restricted shares granted (in shares) |  | 678,343 | 207,135 | 339,454 |  |
Restricted Stock Plan | Award Opportunity 2021-2022 |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Compensation expense |  | $ 5.2 |  |  |  |
Nonvested restricted shares granted (in shares) |  | 315,122 |  |  |  |
Restricted Stock Plan | Award Opportunity 2020-2021 |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Compensation expense |  | $ 3.0 | $ 3.5 |  |  |
Nonvested restricted shares granted (in shares) |  |  | 179,873 |  |  |
Restricted Stock Plan | Award Opportunity 2019-2020 |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Compensation expense |  | 0.5 | $ 2.1 | $ 3.9 |  |
Nonvested restricted shares granted (in shares) |  |  |  | 266,221 |  |
Restricted Stock Plan | Award Opportunity 2018-2019 |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Compensation expense |  |  |  | $ 4.2 |  |
Restricted Stock, Service Shares | 2015 Long-Term Incentive Plan | Share-Based Payment Arrangement, Tranche One |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Immediate vesting period | 24 months |  |  |  |  |
Accelerated service awards expensed |  | 2.1 |  |  |  |
Restricted Stock, Performance Shares | 2015 Long-Term Incentive Plan |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Unrecognized compensation expense |  | 0.6 |  |  |  |
Compensation expense |  | 2.6 |  |  |  |
Accelerated service awards expensed |  | $ 2.5 |  |  |  |
Restricted Stock, Performance Shares | 2015 Long-Term Incentive Plan | Share-Based Payment Arrangement, Tranche One |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Vesting percent |  | 100.00% |  |  |  |
Restricted Stock Units (RSUs) |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Vesting percent |  | 33.30% |  |  |  |
RSUs issued as retirement and special grant awards |  | 3 years |  |  |  |
Restricted Stock Units (RSUs) | Neenah, Inc. |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Assumed unvested shares converted (in shares) |  |  |  |  | 180,149 |
Assumed unvested shares converted |  |  |  |  | $ 4.2 |
Restricted Stock Units (RSUs) | Share-Based Payment Arrangement, Tranche Two |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
RSUs issued as retirement and special grant awards |  | 1 year |  |  |  |
Performance Share Units (PSUs) |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Weighted average period |  | 2 years |  |  |  |
Service condition (years) |  | 3 years |  |  |  |
Performance Share Units (PSUs) | Neenah, Inc. |  |  |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |  |  |
Assumed unvested shares converted (in shares) |  |  |  |  | 292,032 |
Assumed unvested shares converted |  |  |  |  | $ 6.8 |

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