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Leases - Schedule of Maturities of Operating Leases (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Jan. 02, 2019
Dec. 31, 2018
Leases [Abstract]      
2020 $ 635    
2021 620    
2022 634    
2023 655    
2024 670    
Thereafter 932    
Total operating lease payments 4,146    
Less imputed interest (846)    
Present value of operating lease liabilities $ 3,300 $ 3,458 $ 3,458