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Employee Benefit Plans (Retiree Medical Coverage) - Additional Information (Detail) - USD ($) $ in Millions | 12 Months Ended |
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Dec. 31, 2023 | Dec. 31, 2022
Retirement Benefits [Abstract] |  |
Maximum number of years medical, dental and prescription drug coverage to spouses of retired former officers | 30 years |
Total liability recorded to provide medical, dental and prescription drug coverage | $ 0.3 | $ 0.2

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- Definition The maximum number of years medical, dental and prescription coverage is extended to the spouse of a former officer. + References No definition available. + Details
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- Definition The carrying amount of the liability as of the balance sheet date to an individual under a deferred compensation arrangement. This amount may be the result of periodic accruals made over the period of active employment, or reflect termination benefits resulting contractual terms or a death benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 710 -SubTopic 10 -Name Accounting Standards Codification -Section 30 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147483043/710-10-30-1 + Details
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