Carrying Amounts and Fair Value of Financial Instruments (Significant unobservable inputs used in the fair value measurements) (Details) - Fair Value, Measurements, Nonrecurring - USD ($)	3 Months Ended
	Sep. 30, 2021	Dec. 31, 2020
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Assets, Fair Value Disclosure, Nonrecurring (Deprecated 2018-01-31)	$ 6,202,597	$ 8,408,958
Impaired Loans [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Assets, Fair Value Disclosure, Nonrecurring (Deprecated 2018-01-31)	$ 2,483,766	2,216,948	[1]
Significant Unobservable Inputs	Discounts to appraised values or cash flows for estimated holding and/or selling costs or age of appraisal
Foreclosed Assets
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Assets, Fair Value Disclosure, Nonrecurring (Deprecated 2018-01-31)	$ 129,700	$ 498,610
Significant Unobservable Inputs	Discounts to appraised values for estimated holding or selling costs
Minimum | Impaired Loans [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Significant Unobservable Inputs, Percentage Range	0.00%	0.00%
Minimum | Foreclosed Assets
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Significant Unobservable Inputs, Percentage Range	30.00%	11.00%
Maximum | Impaired Loans [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Significant Unobservable Inputs, Percentage Range	14.00%	14.00%
Maximum | Foreclosed Assets
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Significant Unobservable Inputs, Percentage Range		72.00%
Fair Value, Inputs, Level 3
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Assets, Fair Value Disclosure, Nonrecurring (Deprecated 2018-01-31)	$ 2,613,466	$ 2,715,558
Fair Value, Inputs, Level 3 | Impaired Loans [Member]
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Assets, Fair Value Disclosure, Nonrecurring (Deprecated 2018-01-31)	2,483,766	2,216,948
Fair Value, Inputs, Level 3 | Foreclosed Assets
Fair Value Measurement Inputs and Valuation Techniques [Line Items]
Assets, Fair Value Disclosure, Nonrecurring (Deprecated 2018-01-31)	$ 129,700	$ 498,610

[1] Reported net of specific reserves. There were no specific reserves at September 30, 2021 and December 31, 2020.