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Borrowed Funds (Maturity and weighted average interest rates of FHLB advances) (Details) - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Federal Home Loan Bank, Advances [Line Items]    
FHLB advances, rate 1.92% 1.68%
FHLB advances $ 70,000 $ 90,000
Fixed Rate Advances Due 2021 [Member]    
Federal Home Loan Bank, Advances [Line Items]    
FHLB advances, rate 2.08% 1.91%
FHLB fixed rate advances $ 40,000 $ 50,000
Federal Home Loan Bank, Advances, Variable Rate Due 2021 [Member] [Member] [Member]    
Federal Home Loan Bank, Advances [Line Items]    
Federal Home Loan Bank, Advances, Floating Rate [1] $ 0 $ 10,000
FHLB advances, rate [1] 0.00% 0.52%
Federal Home Loan Bank, Advances, Fixed Rate Due 2022 [Member]    
Federal Home Loan Bank, Advances [Line Items]    
FHLB advances, rate 1.97% 1.97%
FHLB fixed rate advances $ 20,000 $ 20,000
Federal Home Loan Bank, Advances, Fixed Rate Due 2026 [Member]    
Federal Home Loan Bank, Advances [Line Items]    
FHLB advances, rate 1.17% 1.17%
FHLB fixed rate advances $ 10,000 $ 10,000
[1] Hedged advance (see “Derivative Instruments” section below)