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Leases - Supplemental Cash Flow Information Related to the Company's Leases (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Lease Cost [Abstract]    
Operating cash flows from operating leases $ 1,014 $ 1,291
Right-of-use assets obtained in exchange for operating lease obligations: $ 17,417 $ 276