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Retirement Plans - Expenses Incurred And Charged Against Operations (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items] |  |  |
Employee savings plan/ 401(k) | $ 16,528 | $ 15,357 | $ 14,991
Supplemental executive retirement plan | (3,252) | (1,510) | 3,475
Split Dollar Plan | (753) | (105) | (785)
Post-retirement benefits | 312 | (108) | 67
Non-contributory defined benefit pension plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Expenses incurred and charged against operations | $ 12,835 | $ 13,634 | $ 17,748

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- Definition Represents the total amount of net periodic benefit cost related to post retirement benefits, for the period. + References No definition available. + Details
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- Definition Amount of cost (reversal of cost) for split dollar plan. + 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 cost for defined contribution plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 70 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480794/715-70-50-1 + Details
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- Definition Amount of cost (reversal of cost) for other postretirement benefits. Excludes pension benefits. + References No definition available. + Details
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- Definition Amount of cost (reversal of cost) for pension and other postretirement benefits. + References No definition available. + Details
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Balance Type: | debit
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- Details
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