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Leases - Schedule Of Future Minimum Rental Payments For Operating Leases (Detail) - USD ($)
$ in Thousands
Mar. 31, 2019
Jan. 01, 2019
2020 $ 484  
2021 476  
2022 483  
2023 504  
2024 and thereafter 1,483  
Total lease payments 3,430  
Less: Interest (180)  
Present value of lease liabilities $ 3,250 $ 3,400