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Leases - Maturities of Operating Lease Liabilities (Details)
$ in Thousands
Dec. 31, 2020
USD ($)
Operating leases  
2020 $ 1,753
2021 1,843
2022 1,721
2023 1,383
2024 1,023
Thereafter 1,944
Total lease payments 9,667
Less: imputed interest (786)
Present value of operating lease liabilities $ 8,881
Operating Lease, Liability, Statement of Financial Position [Extensible List] us-gaap:OtherLiabilities