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Leases- Minimum Annual Rental Commitments (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Minimum annual rental commitments    
2021 $ 1,309  
2022 1,692  
2023 1,368  
2024 1,054  
2025 657  
Thereafter 1,572  
Total lease payments 7,652  
Less: Interest 1,065  
Present value of lease liabilities $ 6,587 $ 6,900