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Pension Benefits, Other Postretirement Benefits and Employee Savings and Investment Plans (Additional Information) (Detail) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2022 USD ($) plan | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Jul. 31, 2020 USD ($) | Oct. 31, 2019 USD ($)
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |  |
Number of qualified noncontributory defined benefit plans | plan | 1 |  |  |  |
Merged plan assets | $ 5,251,000 | $ 5,123,000 |  |  |
PBO of plan assets for pension plan with plan assets in excess of its PBO | 21,000,000 | 28,300,000 |  |  |
PBO of plan assets for pension plan with plan assets in excess of its ABO | 21,000,000 | 28,300,000 |  |  |
ABO of plan assets for pension plan with plan assets in excess of its PBO | 21,000,000 | 28,300,000 |  |  |
ABO of plan assets for pension plan with plan assets in excess of its ABO | 21,000,000 | 28,300,000 |  |  |
Fair value of the plan assets for pension plan with plan assets in excess of its PBO | 26,300,000 | 33,500,000 |  |  |
Fair value of the plan assets for pension plan with plan assets in excess of its ABO | $ 26,300,000 | $ 33,500,000 |  |  |
Health care cost, employees age | 65 years | 65 years |  |  |
Fair Value, Recurring |  |  |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |  |
Pension surplus investment | $ 0 | $ 6,638,000 |  |  |
Retirees of 65 Years Old or Younger |  |  |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |  |
Health care cost trend rate assumed for next fiscal year (percent) | 6.25% | 6.25% |  |  |
Retirees of 65 Years Old or Older |  |  |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |  |
Health care cost trend rate assumed for next fiscal year (percent) | 6.25% | 6.25% |  |  |
Pension Benefits |  |  |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |  |
Merged plan assets | $ 5,251,000 | $ 5,123,000 |  |  |
Plan assets | $ 26,300,000 | 33,462,000 | $ 35,296,000 |  |
Expected long-term rate of return on plan assets (percent) | 5.59% |  |  |  |
Employer contributions | $ 0 | $ 0 |  |  |
Pension Benefits | Fixed Income |  |  |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |  |
Plan asset allocations (percent) | 91.00% | 90.00% |  |  |
Pension Benefits | Equity Securities |  |  |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |  |
Plan asset allocations (percent) | 9.00% | 10.00% |  |  |
Other Postretirement Benefits |  |  |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |  |
Merged plan assets | $ 0 | $ 0 |  |  |
Plan assets | 0 | 0 | 0 |  |
PBO of plan assets for other postretirement benefit plans with ABO in excess of plan assets | 1,400,000 | 1,400,000 |  |  |
ABO of plan assets for other postretirement benefit plans with ABO in excess of plan assets | (1,400,000) | (1,400,000) |  |  |
Employer contributions | 19,000 | 165,000 |  |  |
Merged Plan | Pension Benefits |  |  |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |  |
Merged plan assets |  |  |  |  | $ 9,700,000
Plan assets |  | (500,000) |  |  |
Rogers Employee Savings and Investment Plan (RESIP) |  |  |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |  |
IRS deferral limit | 20,500 |  |  |  |
Employer contributions | 11,800,000 | 5,600,000 | $ 4,900,000 |  |
Employer discretionary contribution amount | $ 6,500,000 |  |  |  |
Rogers Employee Savings and Investment Plan (RESIP) | 100% match |  |  |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |  |
Employee compensation subject to employer matching percent (percent) | 3.50% |  |  |  |
Rogers Employee Savings and Investment Plan (RESIP) | 100% match | 1% of compensation |  |  |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |  |
Employee compensation subject to employer matching percent (percent) | 100.00% |  |  |  |
Employer matching contribution (percent) | 1.00% |  |  |  |
Rogers Employee Savings and Investment Plan (RESIP) | 50% match | 5% of compensation |  |  |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |  |
Employee compensation subject to employer matching percent (percent) | 5.00% |  |  |  |
Employer matching contribution (percent) | 50.00% |  |  |  |
Rogers Employee Savings and Investment Plan (RESIP) | Pension Benefits | Suspense Account Held Within a Trust |  |  |  |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |  |  |  |
Plan assets |  | $ 9,200,000 |  | $ 9,200,000 |

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