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Employee Benefit Plans - Summary of Weighted-Average Assumptions for Disclosure (Detail) - Supplemental Employee Retirement Plan [Member] | 12 Months Ended
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Dec. 31, 2025 | Dec. 31, 2024
Weighted-Average Assumptions for Disclosure |  |
Discount rate | 5.10% | 5.35%
Mortality table | Pri-2012 WC | Pri-2012 WC
Mortality improvement scale | MP-2021 | MP-2021

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- Definition Defined benefit plan description of mortality. + References No definition available. + Details
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- Definition Defined benefit plan description of mortality improvement scale. + References No definition available. + Details
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- Definition Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (j)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-5 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (k)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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- References No definition available. + Details
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- Details
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