Summary of Significant Accounting Policies (Narrative) (Details)			12 Months Ended
	Mar. 28, 2017 USD ($)	Mar. 17, 2017 USD ($) shares	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)	Jun. 30, 2018 item	Mar. 24, 2017 shares
Summary Of Significant Accounting Policies [Line Items]
Number of subsidiaries | item					2
Impairment			$ 0	$ 0
Federal tax rate			21.00%	34.00%
Notes converted		$ 1,650,000
Debt converted, shares issued | shares		165,000
Employee stock ownership plan, shares | shares						350,000
Underwriting fees paid	$ 1,000,000
Net proceeds received from issuance of shares of common stock	$ 28,700,000			$ 29,087,070
ESOP threshold			1000 hours
Income tax (benefit) expense			$ 106,087	372,285
Available-for-sale Securities [Member]
Summary Of Significant Accounting Policies [Line Items]
Income tax (benefit) expense			(609,140)	1,048,847
Catastrophe Reinsurance Treaty [Member]
Summary Of Significant Accounting Policies [Line Items]
Reinsurance protection			9,500,000	9,500,000
Excess reinsurance protection			$ 500,000	$ 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			29.70%	33.70%
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