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Leases - Summary of Lease Costs (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Lease Cost [Abstract]    
Operating lease cost $ 8,352 $ 7,825
Variable lease cost 928 1,068
Short-term lease cost 709 304
Total lease cost $ 9,989 $ 9,197