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Leases - Summary of Future Payments of Lease Liabilities (Detail) - USD ($)
$ in Thousands
Dec. 31, 2020
Dec. 31, 2019
Leases [Abstract]    
2020   $ 2,030
2021 $ 2,156 1,754
2022 1,995 1,603
2023 1,962 1,545
2024 1,692 1,277
2025 1,471  
Thereafter 7,394 7,312
Total lease payments 16,670 15,521
Less imputed interest 2,735 2,831
Present value of lease liability $ 13,935 $ 12,690