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Employee Benefit Plans - Summary of Weighted-Average Assumptions Used to Determine Net Periodic Benefit Cost (Detail) - Supplemental Employee Retirement Plan [Member] | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Weighted-average assumptions used to determine Net Periodic Benefit Cost |  |
Discount rate | 2.50% | 2.10%
Corridor | 10.00% | 10.00%
Average future working lifetime | 4 years 11 months 26 days | 5 years 5 months 4 days
Mortality table | Pri-2012 WC | Pri-2012 WC
Mortality improvement scale | MP-2021 | MP-2020

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- Definition Defined benefit plan assumptions used calculating net periodic benefit cost corridor. + References No definition available. + Details
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- Definition Defined benefit plan weighted average assumptions for determining periodic net benefits costs average future working life time. + References No definition available. + Details
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- Definition Defined benefit plan weighted average assumptions for determining periodic net benefits costs description of mortality. + References No definition available. + Details
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- Definition Defined benefit plan weighted average assumptions for determining periodic net benefits costs 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 net periodic benefit cost of defined benefit plan. + 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 (k)(1) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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- Details
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