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Retirement Plans and Other Postretirement Benefits - Funded Status of Plan and Amounts Recognized in Balance Sheet (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Funded status asset (liability):
Fair value of plan assets	$ 967,915	$ 913,034
Projected benefit obligation	(837,195)	(883,940)
Funded status at the end of the year	130,720	29,094
Amounts recognized in the consolidated balance sheet consisted of:
Non-current asset for pension benefits (other assets)	207,099	135,628
Current liabilities for pension benefits	(2,133)	(2,174)
Non-current liability for pension benefits	(74,246)	(104,360)
Net amount recognized at the end of the year	$ 130,720	$ 29,094

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Amount of asset, recognized in statement of financial position, for overfunded defined benefit pension and other postretirement plans.

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Amount of actuarial present value of benefits attributed to service rendered by employee for defined benefit plan.

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