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Employee Benefit Plans (Pension Benefit Plan) - Components of Net Periodic Pension Cost and Amounts Recognized Other Comprehensive (Loss) Income (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Net periodic benefit cost:      
Service cost $ 1,229 $ 1,270 $ 1,471
Interest cost 339 444 634
Expected return on plan assets (1,842) (1,679) (1,392)
Amortization of actuarial losses 1,088 970 795
Net periodic benefit cost 814 1,005 1,508
Other changes in plan assets and benefit obligations recognized in other comprehensive (loss) income:      
Net actuarial (gain) loss (4,984) 1,784 2,488
Amortization of actuarial losses (825) (1,212) (771)
Amount recognized in other comprehensive (loss) income (5,809) 572 1,717
Total recognized in net periodic benefit cost and other comprehensive (loss) income $ (4,995) $ 1,577 $ 3,225