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Federal Home Loan Bank Advances (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
FHLB Advances [Abstract]    
Average balance outstanding during the year $ 114,020 $ 77,049
Maximum amount outstanding at any month-end during the year 121,500 84,000
Balance outstanding at end of year $ 110,500 $ 84,000
Weighted average interest rate at end of year 1.94% 2.32%
Average cost of advances during the year 1.91% 2.42%
Weighted average contractual maturity 27 months 18 months
General borrowing limit 40.00%  
FHLB advances, remaining amount available to borrow $ 40,300  
FHLB Maturity [Abstract]    
2021 27,500  
2022 18,000  
2023 30,000  
2024 5,000  
2025 30,000  
Total 110,500 $ 84,000
First Mortgage Loans [Member]    
FHLB Advances [Abstract]    
FHLB advances, collateral real estate loans $ 220,000 $ 156,100