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Post Retirement Benefits - Narrative (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2012
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Net period benefit cost reduction |  | $ 496 | $ 496 | $ 496 |
Defined Benefit Plan, Net Periodic Benefit Cost Credit, Immediate Recognition of Actuarial Gain Loss, Statement of Income or Comprehensive Income, Extensible List Not Disclosed Flag |  | Consolidated Balance Sheets |  |  |
Actuarial gain (loss) |  | $ 3,393 | (136) |  |
Post Retirement Benefits |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Reduction of post retirement benefit liability |  |  |  |  | $ (10,282)
Net period benefit cost reduction |  | 496 | 496 | $ 496 |
Net actuarial gain (loss) |  | 3,004 | 2,136 |  |
Actuarial gain (loss) |  | (389) | 2,272 |  |
Net credit of amounts net yet recognized as a component of net periodic benefit costs |  | 5,835 | 3,174 |  |
Gain (loss) of net periodic post retirement costs |  | 496 | (149) |  |
Interest expense related to post retirement healthcare |  | $ 93 | $ 552 |  |
Weighted average rate of increase in per capita cost of covered health care benefits |  | 7.10% | 5.80% |  |
Post Retirement Benefits | Medical, Post Age 65 |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Weighted average rate per capita cost of covered health care benefits |  | 6.60% | 4.25% |  |
Post Retirement Benefits | Drugs |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Weighted average rate per capita cost of covered health care benefits |  |  | 5.00% |  |
Forecast | Post Retirement Benefits |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Net period benefit cost reduction | $ 496 |  |  |  |

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- Definition Amount of gain (loss), recognized immediately as component of net periodic benefit (cost) credit, for change in value of benefit obligation or plan assets from experience different from that assumed, change in actuarial assumption, or consequence of temporarily deviating from substantive plan. Includes, but is not limited to, amount in excess of 10 percent of greater of fair value of plan assets or benefit obligation. + References Reference 1: 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 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (h)(4) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (a)(4) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-6 + Details
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