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Accumulated Other Comprehensive Loss - Schedule of Reclassification Out of Accumulated Other Comprehensive Loss (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Reclassification adjustment out of accumulated other comprehensive loss [Line Items]      
Interest expense $ (81,936) $ (55,242) $ (58,096)
Income taxes (56,136) (69,316) (62,436)
Other income (9,272) (10,042) (7,007)
Net income 157,074 201,678 182,872
Reclassification out of accumulated other comprehensive loss      
Reclassification adjustment out of accumulated other comprehensive loss [Line Items]      
Net income (249) (308) (282)
Net Unrealized Loss on Derivative Instruments Qualifying as Hedges | Reclassification out of accumulated other comprehensive loss      
Reclassification adjustment out of accumulated other comprehensive loss [Line Items]      
Interest expense 0 0 (118)
Income taxes 0 0 28
Net income 0 0 (90)
Amortization of postretirement liability losses included in net periodic benefit cost | Reclassification out of accumulated other comprehensive loss      
Reclassification adjustment out of accumulated other comprehensive loss [Line Items]      
Income taxes 85 103 64
Other income (334) (411) (256)
Net income $ (249) $ (308) $ (192)