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Leases - Schedule of Future Minimum Rental Payments for Operating Leases (Detail) - USD ($)
$ in Thousands
Dec. 31, 2019
Jan. 01, 2019
2020 $ 1,615  
2021 1,144  
2022 1,118  
2023 1,098  
2024 288  
Thereafter 0  
Total 5,263  
Less: Imputed interest (546)  
Present value of operating lease liabilities $ 4,717 $ 5,700