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Retirement Plans and Other Post-Retirement Benefits - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Jun. 30, 2020 | Jun. 30, 2020
Defined Benefit Plan Disclosure [Line Items] |  |
Employer contribution of employee’s eligible earnings, percentage |  | 10.00%
Pension settlement charge, net of post settlement adjustments | $ 6,330 | $ 6,403
Pension Benefits [Member] |  |
Defined Benefit Plan Disclosure [Line Items] |  |
Pension settlement charge, net of post settlement adjustments | 6,300 |
Reversion of excess pension plan assets | 55,500 |
Amount transferred to suspense account to fund future 401(k) contributions | 14,100 |
Accruing of excise taxes | 8,300 |
Available for general corporate purposes | $ 33,100 |

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- Definition Defined benefit plan assets accruing of excise taxes. + References No definition available. + Details
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- Definition Defined benefit plan assets amount transferred to suspense account to fund future 401k contributions. + References No definition available. + Details
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- Definition Defined benefit plan assets available for general corporate purposes. + References No definition available. + Details
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- Definition Defined benefit plan reversion of excess pension plan assets. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition Amount of gain (loss) recognized in net periodic benefit (cost) credit from irrevocable action relieving primary responsibility for benefit obligation and eliminating risk related to obligation and assets used to effect settlement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (h)(7) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 45 -Paragraph 3A -URI http://asc.fasb.org/extlink&oid=109237824&loc=SL108413299-114919 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (a)(7) -URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e2709-114920 + Details
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- Definition Percentage employer matches of the employee's percentage contribution matched. + References No definition available. + Details
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- Details
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