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Retirement Agreements and Other Postretirement Benefit Plan Changes in Amounts Related to Accumulated Other Comprehensive Income, Pre-tax (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Accumulated Other Comprehensive Income (Loss) [Roll Forward] |  |
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax | $ 44 | $ (184)
Unrecognized prior service cost | 0 | 0
Amortization of gain (loss), net | (37) | 12
Actuarial loss (gain) | 61 | 216
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax | $ 68 | $ 44

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- Definition Amount, before tax, of actuarial losses (gains) for defined benefit plans + References No definition available. + Details
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- Definition Amount, before tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-14A Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 10A -Subparagraph (i-k) -SubTopic 10 -Topic 220 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-10A Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (j) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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