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Leases - Summary of Minimum Lease Payments Under Non-cancelable Operating Leases (Detail) - USD ($)
$ in Thousands
Dec. 31, 2020
Jan. 01, 2019
Leases [Abstract]    
2021 $ 2,506  
2022 2,983  
2023 3,067  
2024 2,643  
2025 116  
Thereafter 30  
Total future minimum lease payments 11,345  
Less: discount (2,828)  
Operating lease obligation $ 8,517 $ 12,600