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Leases and Other Commitments - Maturities of lease liabilities (Detail) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Leases [Abstract]    
2021 $ 50,334  
2022 41,651  
2023 31,377  
2024 21,354  
2025 15,469  
Thereafter 29,967  
Total lease payments 190,152  
Less: imputed interest 17,031  
Operating lease liability $ 173,121 $ 185,645