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Employee Benefit Plans (Change on Benefit Obligations and Plan Assets (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Change in benefit obligation: |  |  |
Benefit Obligation, beginning of year | $ 42,065,000 | $ 55,934,000 |
Service Cost | 3,119,000 | 5,181,000 | $ 6,020,000
Interest Cost | 2,205,000 | 1,804,000 | 1,576,000
Actuarial Gain (Loss) | 1,358,000 | (19,557,000) |
Benefits Paid | (1,449,000) | (1,297,000) |
Benefit Obligation, end of year | 47,298,000 | 42,065,000 | 55,934,000
Change in plan assets: |  |  |
Fair Value of Plan Assets, beginning of year | 30,073,000 | 35,288,000 |
Actual Return on Plan Assets | 5,270,000 | (6,363,000) |
Employer Contributions | 3,100,000 | 2,445,000 |
Benefits Paid | (1,449,000) | (1,297,000) |
Fair Value of Plan assets, end of year | 36,994,000 | 30,073,000 | $ 35,288,000
Funded Status at end of period | (10,304,000) | (11,992,000) |
Amounts recognized in the Consolidated Balance Sheets: |  |  |
Non-current assets | 0 | 0 |
Current liabilities | 0 | 0 |
Non-current Liabilities | (10,304,000) | (11,992,000) |
Net Liability at end of year | (10,304,000) | (11,992,000) |
Amounts recognized in accumulated other comprehensive income: |  |  |
Prior Service Cost | 4,215,000 | 4,702,000 |
Net actuarial gain | (12,196,000) | (10,816,000) |
Amounts recognized in accumulated other comprehensive income: | $ (7,981,000) | $ (6,114,000) |

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- Definition Amount, after tax, of accumulated other comprehensive income (loss) for gain (loss) of 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://www.xbrl.org/2003/role/disclosureRef -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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- Definition Amount, after tax, of accumulated other comprehensive (income) loss for cost (credit) of benefit change attributable to participants' prior service from plan amendment or plan initiation of 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://www.xbrl.org/2003/role/disclosureRef -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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- Definition Amount of increase (decrease) in plan assets of defined benefit plan from actual return (loss) determined by change in fair value of plan assets adjusted for contributions, benefit payments, and other expenses. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 17 -Publisher FASB -URI https://asc.fasb.org//1943274/2147480482/715-20-55-17 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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- Definition Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(4) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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