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Benefit Plan (Details) - USD ($) $ / shares in Units, $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Sep. 30, 2024 | Nov. 17, 2009
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Contributions by Employer |  | $ 0 | $ 0 |  |  |
Defined Benefit Plan, Benefit Obligation |  | $ 104,533 | $ 139,217 | $ 127,394 |  |
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate |  | 5.89% | 5.14% | 5.32% | 5.17% |
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets |  | 6.92% | 6.92% | 6.92% |  |
Accumulated benefit obligation for the pension plan |  | $ 82,100 | $ 113,400 |  |  |
Common share purchased under pension plan, shares |  |  |  |  |  | 115,800
Common share purchased under pension plan, value |  |  |  |  |  | $ 7,000
Common share purchased under pension plan, value per share |  |  |  |  |  | $ 60.45
Fair value, pension plan common shares held, shares |  | 115,800 | 115,800 |  |  |
Fair value of common shares held by pension plan |  | $ 19,900 | $ 15,400 |  |  |
Fair value of common shares held by pension plan, per share |  | $ 171.43 | $ 132.86 |  |  |
Defined Contribution Plan, Cost |  | $ 5,300 | $ 5,000 | $ 4,600 |  |
Subsequent Event [Member] |  |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |  |
Defined Benefit Plan, Plan Assets, Contributions by Employer | $ 0 |  |  |  |  |
Supplemental Executive Retirement Plan (SERP) |  |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |  |
Accrued benefit cost |  | $ 15,500 | $ 15,200 |  |  |

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- Definition Weighted average rate for present value of future retirement benefits cash flows, used to determine benefit obligation of defined benefit plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (k)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
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