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Leases - Schedule of Maturity of Operating Lease Liabilities (Detail) - USD ($)
$ in Thousands
Dec. 31, 2019
Jan. 01, 2019
Leases [Abstract]    
2020 $ 1,700  
2021 1,208  
2022 982  
2023 557  
2024 336  
Thereafter 1,163  
Total lease payments 5,946  
Less imputed interest (326)  
Operating lease liability $ 5,620 $ 4,300