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Schedule II - Consolidated Valuation and Qualifying Accounts Schedule II - Consolidated Valuation and Qualifying Accounts Level 4 (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Reserve for uncollectible accounts |  |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |  |
Valuation Allowances and Reserves, Beginning Balance |  | $ 5,699 | $ 5,585 | $ 5,546
Valuation Allowances and Reserves, Charged to Income |  | 3,009 | 4,523 | 3,527
Valuation Allowances and Reserves, Charged (Credited) to Other Accounts |  | 471 | 1,302 | 975
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction | [1] | 4,754 | 5,711 | 4,463
Valuation Allowances and Reserves, Ending Balance |  | 4,425 | 5,699 | 5,585
Injuries and damages |  |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |  |
Valuation Allowances and Reserves, Beginning Balance |  | 3,627 | 3,275 | 2,802
Valuation Allowances and Reserves, Charged to Income |  | 799 | 992 | 974
Valuation Allowances and Reserves, Charged (Credited) to Other Accounts |  | 0 | 0 | 0
SEC Schedule, 12-09, Valuation Allowances and Reserves, Deduction | [1] | 1,473 | 640 | 501
Valuation Allowances and Reserves, Ending Balance |  | $ 2,953 | $ 3,627 | $ 3,275
[1] | Represents deductions from the reserves for purposes for which the reserves were created. In the case of uncollectible accounts, and notes reserves, includes reversals of amounts previously reserved.

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- Definition Amount of valuation and qualifying accounts and reserves. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S50 -Paragraph 5 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480738/235-10-S50-5 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column B)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-4 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09(Column E)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-4 + Details
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