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Advances From Federal Home Loan Bank (FHLB) And Other Borrowings (Other Borrowings) (Details) - USD ($)
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Short-term Debt [Line Items]    
Other Borrowings $ 10,698,429 $ 11,307,161
Financial Instruments, Owned and Pledged as Collateral, at Amortized Cost 16,700,000 16,200,000
Financial Instruments, Owned and Pledged as Collateral, at Fair Value $ 16,700,000 16,500,000
Minimum    
Short-term Debt [Line Items]    
Repurchase agreements, maturity term 1 day  
Maximum    
Short-term Debt [Line Items]    
Repurchase agreements, maturity term 3 days  
Securities Sold under Agreements to Repurchase [Member]    
Short-term Debt [Line Items]    
Short-term Debt, Weighted Average Interest Rate, at Point in Time 0.25%  
Short-term Debt, Maximum Month-end Outstanding Amount $ 14,300,000 $ 13,100,000