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Retirement Plans and Other Post-Retirement Benefits - Schedule of Net Periodic Benefit (Income) Expense (Detail) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2021
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Defined Benefit Plan Disclosure [Line Items]        
Pension settlement charge   $ 0 $ 6,154 $ 75,326
Pension Benefits        
Defined Benefit Plan Disclosure [Line Items]        
Service cost $ 0 0 0 1,269
Interest cost 974 974 1,210 11,495
Expected return on plan assets 0   0 13,724
Amortization of prior service cost/(credit) 48   48 246
Amortization of actuarial loss 790 790 655 2,759
Termination benefits 0   0 1,259
Pension settlement charge 0   0 75,356
Total net periodic benefit expense 1,812   1,913 78,660
Other Benefits        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 29 29 0 0
Interest cost 127 127 184 313
Amortization of prior service cost/(credit) (233)   (458) 0
Amortization of actuarial loss 47 $ 47 (834) (892)
Total net periodic benefit expense $ (30)   $ (1,108) $ (579)