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Accumulated Other Comprehensive Loss - Summary of Amounts Reclassified (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Employee benefit costs:    
Miscellaneous (expense) income, net $ (1,963) $ 631
Income tax expense (14,165) (42,411)
Net income 126,995 270,771
Amounts reclassified from accumulated other comprehensive loss | Amortization of net actuarial loss (gain)    
Employee benefit costs:    
Miscellaneous (expense) income, net 964 (627)
Amounts reclassified from accumulated other comprehensive loss | Employee benefit costs    
Employee benefit costs:    
Income tax expense (214) 139
Net income $ 750 $ (488)