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Employee Benefit Plans - Schedule of Expected Benefit Payments (Detail) - Pension Plans [Member]
$ in Thousands
Dec. 31, 2019
USD ($)
Defined Benefit Plan Disclosure [Line Items]  
2020 $ 25,184
2021 27,505
2022 28,771
2023 29,269
2024 30,938
2025-2029 $ 156,960