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Pension and Other Post-retirement Benefits - Pension Plans with PBO in Excess of Plan Assets (Detail) - Pension Benefits - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]    
Aggregate projected benefit obligations (PBO) $ 122,092 $ 135,809
Aggregate fair value of plan assets $ 3,334 $ 5,622