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Employee Benefit Plans - Schedule of Components of Net Periodic Benefit Cost (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Components of net periodic benefit cost: |  |  |
Interest cost | $ 720 | $ 714 | $ 765
Amortization of actuarial gain (loss) | 0 | 0 | 0
Net periodic benefit cost | 720 | 714 | 765
Pension Benefits |  |  |
Components of net periodic benefit cost: |  |  |
Service cost | 0 | 0 |
Interest cost | 1,583 | 1,542 |
Other Postretirement Benefits |  |  |
Components of net periodic benefit cost: |  |  |
Service cost | 364 | 372 |
Interest cost | 745 | 697 |
Underfunded plan | Pension Benefits |  |  |
Components of net periodic benefit cost: |  |  |
Service cost | 0 | 0 | 0
Interest cost | 1,583 | 1,542 | 1,633
Expected return on assets | (1,788) | (1,812) | (1,800)
Amortization of prior service credit | 0 | 0 | 0
Amortization of actuarial gain (loss) | 554 | 559 | 510
Net periodic benefit cost | 349 | 289 | 343
Underfunded plan | Other Postretirement Benefits |  |  |
Components of net periodic benefit cost: |  |  |
Service cost | 364 | 372 | 361
Interest cost | 745 | 697 | 721
Expected return on assets | 0 | 0 | 11
Amortization of prior service credit | 0 | (30) | (79)
Amortization of actuarial gain (loss) | (220) | (118) | (175)
Net periodic benefit cost | 889 | 921 | 839
Unfunded plan | Pension Benefits |  |  |
Other changes in plan assets and benefit obligations recognized in accumulated other comprehensive loss: |  |  |
Net (gain) loss | (193) | (479) | (797)
Amortization of actuarial gain (loss) | (554) | (559) | (510)
Amortization of prior service credit | 0 | 0 | 0
Total recognized in accumulated other comprehensive loss | (747) | (1,038) | (1,307)
Total recognized in net periodic benefit cost and accumulated other comprehensive loss | (398) | (749) | (964)
Unfunded plan | Other Postretirement Benefits |  |  |
Other changes in plan assets and benefit obligations recognized in accumulated other comprehensive loss: |  |  |
Net (gain) loss | 1,628 | (1,221) | (678)
Amortization of actuarial gain (loss) | 220 | 118 | 175
Amortization of prior service credit | 0 | 30 | 79
Total recognized in accumulated other comprehensive loss | 1,848 | (1,073) | (424)
Total recognized in net periodic benefit cost and accumulated other comprehensive loss | $ 2,737 | $ (152) | $ 415

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- Definition Amount of gain (loss) recognized in net periodic benefit (cost) credit of 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 (h)(4) -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 6 -Subparagraph (a)(4) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-6 + Details
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- Definition Amount of prior service cost (credit) recognized in net periodic benefit cost (credit) of 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 (h)(5) -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 6 -Subparagraph (a)(5) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-6 + Details
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- Definition Amount of expected return (loss) recognized in net periodic benefit (cost) credit, calculated based on expected long-term rate of return and market-related value of plan assets of 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 (h)(3) -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 6 -Subparagraph (a)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-6 + Details
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