Summary of Significant Accounting Policies (Narrative) (Details)	12 Months Ended
Dec. 31, 2019 USD ($) segment	Dec. 31, 2018 USD ($) segment
Summary Of Significant Accounting Policies [Line Items]
Impairment	$ 0	$ 0
Federal tax rate	21.00%
Reinsurance protection		$ 9,500,000
Operating segments \| segment	1	1
ESOP threshold	1000 hours
Cumulative-effect		$ 1,400,000
Income Tax Expense (Benefit)	$ 787,215	106,087
Available-for-sale Securities [Member]
Summary Of Significant Accounting Policies [Line Items]
Income Tax Expense (Benefit)	677,121	(609,140)
Catastrophe Reinsurance Treaty [Member]
Summary Of Significant Accounting Policies [Line Items]
Reinsurance protection	14,500,000
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	26.10%	29.70%
Minimum [Member] \| Equipment [Member]
Summary Of Significant Accounting Policies [Line Items]
Useful life	5 years
Maximum [Member] \| Equipment [Member]
Summary Of Significant Accounting Policies [Line Items]
Useful life	7 years

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

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Percentage of domestic federal statutory tax rate applicable to pretax income (loss).

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues.

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Stated amount that is the upper retention limit per entity policy.

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Amount of risk reinsured in excess of stated retention per company policy.

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The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value.

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