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Leases - Supplemental Cash Flow Information and Non-Cash Activity Related to Leases (Detail) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Leases [Abstract]    
Right-of-use assets obtained in exchange for new operating lease liabilities $ 62,591 $ 155,935
Right-of-use assets obtained in exchange for new financing lease liabilities 22,430 23,845
Other non-cash increases in operating lease right-of-use assets 6,876 11,426
Other non-cash decreases in financing lease right-of-use assets $ (2,496) $ (969)