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Borrowings (Summary of the Scheduled Maturities of Long-Term Debt) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Scheduled Maturities    
2022 $ 5,000  
2023 5,000  
2024 20,000  
2025 15,000  
Long-term Debt, Total $ 45,000 $ 45,000
Weighted Average Interest Rate    
2022 2.74%  
2023 2.75%  
2024 2.42%  
2025 2.41%  
Weighted average interest rate 2.49%