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Employee Benefits - Narrative (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items] |  |  |
Number of consecutive years of employee's compensation | 5 years |  |
Number of total years of employee's compensation | 10 years |  |
Service cost | $ 0 |  |
Accumulated benefit obligation | $ 73,200,000 | $ 73,400,000 |
Thrift Plan |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Contributions to the Thrift Plan | 3.50% |  |
Compensation expense | $ 2,700,000 | $ 2,500,000 | $ 2,400,000
Equities and alternatives | Minimum |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Targeted asset allocation percentage | 5.00% |  |
Equities and alternatives | Maximum |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Targeted asset allocation percentage | 15.00% |  |
Fixed income | Minimum |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Targeted asset allocation percentage | 85.00% |  |
Fixed income | Maximum |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Targeted asset allocation percentage | 95.00% |  |

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- Definition Amount of actuarial present value of benefits attributed to employee service rendered, excluding assumptions about future compensation level. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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- Definition Percentage of target investment allocation to total plan assets. Includes, but is not limited to, percentage on weighted-average basis if more than one 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 50 -Paragraph 1 -Subparagraph (d)(i) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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