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Borrowed Funds (Borrowed funds obligations) (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Schedule of Debt [Line Items]      
Borrowed funds $ 141,967   $ 158,747
Borrowed funds, Rate 1.11%   1.01%
Securities Sold under Agreements to Repurchase [Member]      
Schedule of Debt [Line Items]      
Short-term Debt, Maximum Month-end Outstanding Amount $ 54,288 $ 32,236  
Borrowed funds $ 51,967   $ 68,747
Borrowed funds, Rate 0.12%   0.13%
Federal Home Loan Bank Advances [Member]      
Schedule of Debt [Line Items]      
Borrowed funds $ 90,000   $ 90,000
Borrowed funds, Rate 1.68%   1.68%