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Leases - Additional Information (Detail) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Operating leases not yet commenced $ 1,300  
Non Cancelable Leases [Member]    
Total lease payments   $ 219,300
2019   70,400
2020   55,100
2021   41,300
2022   28,500
2023   15,700
Thereafter   $ 8,300