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Retirement Plans (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Retirement Benefits [Abstract] |  |  |  |
Automatic Annual Contribution Employees Hired Before January 1, 2009 Benefit Reduction Under Certain Amendments Minimum, percent |  |  | 5.00% |
Automatic Annual Contribution Employees Hired Before January 1, 2009 Due Benefit Reduction Under Certain Amendments Maximum, percent |  |  | 7.00% |
Employer's matching contribution to 401(k) of employees hired on or after January 1, 2009, percent |  |  | 50.00% |
Maximum annual contribution per employee, percent |  |  | 3.00% |
Funding and administrative costs of noncontributory defined benefit retirement plan and 401(k) plan [Abstract] |  |  |  |
401(k) plan | $ 200 | $ 165 | $ 420 | $ 365
Qualified noncontributory defined benefit retirement plan [Member] |  |  |  |
Funding and administrative costs of noncontributory defined benefit retirement plan and 401(k) plan [Abstract] |  |  |  |
Qualified noncontributory defined benefit retirement plan | 327 | 338 | 654 | 677
Components of net periodic pension cost [Abstract] |  |  |  |
Interest cost | $ 18 | $ 19 | $ 36 | $ 38

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- Definition Employer's minimum automatic contribution to defined contribution plan for employers hired before January 1, 2009 who receive benefit reduction under certain amendments. + References No definition available. + Details
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- Definition Employer's maximum automatic contribution to defined contribution plan for employers hired before January 1, 2009 who receive benefit reduction under certain amendments. + References No definition available. + Details
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- Definition Amount of cost recognized for passage of time related to defined benefit plan. + 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 45 -Paragraph 3A -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480535/715-20-45-3A Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 18 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480482/715-20-55-18 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (h)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-6 + Details
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