Summary of Significant Accounting Policies (Narrative) (Details)	12 Months Ended
	Dec. 31, 2020 USD ($) segment	Dec. 31, 2019 USD ($) segment
Summary Of Significant Accounting Policies [Line Items]
Impairment	$ 0	$ 0
Federal tax rate	21.00%
Operating segments | segment	1	1
ESOP threshold	1000 hours
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ 5,520,091	$ 2,953,936
Available-for-sale Securities [Member]
Summary Of Significant Accounting Policies [Line Items]
Tax (benefit) expense	682,142	842,290
Catastrophe Reinsurance Treaty [Member]
Summary Of Significant Accounting Policies [Line Items]
Reinsurance protection	14,000,000	14,500,000
Excess reinsurance protection	$ 1,000,000	$ 500,000
Building [Member]
Summary Of Significant Accounting Policies [Line Items]
Useful life	39 years
Building Improvements [Member]
Summary Of Significant Accounting Policies [Line Items]
Useful life	15 years
Computer Equipment and Software [Member]
Summary Of Significant Accounting Policies [Line Items]
Useful life	3 years
Illinois [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration risk	25.10%	26.10%
Minimum [Member] | Equipment [Member]
Summary Of Significant Accounting Policies [Line Items]
Useful life	5 years
Maximum | Equipment [Member]
Summary Of Significant Accounting Policies [Line Items]
Useful life	7 years
Cumulative Effect, Period of Adoption, Adjustment [Member]
Summary Of Significant Accounting Policies [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax		$ 1,400,000