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Pension Plans and Postretirement Benefits - Summary of Additional Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Pension Plan    
Pension Plans, Postretirement and Other Employee Benefits [Line Items]    
Decrease in accumulated other comprehensive income due to actuarial losses – before taxes $ (2,314) $ (2,333)
Other Benefits    
Pension Plans, Postretirement and Other Employee Benefits [Line Items]    
Decrease in accumulated other comprehensive income due to actuarial losses – before taxes $ (3,402) $ 0