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Leases - Schedule of Aggregate Lease Maturities and Obligations (Detail)
$ in Thousands
Dec. 31, 2019
USD ($)
Leases [Abstract]  
2020 $ 93
2021 105
2022 105
2023 105
2024 105
2025 and thereafter 126
Total lease payments 639
Less: interest 65
Present value of lease liabilities $ 574