Summary of Significant Accounting Policies (Summary of Components of Other Comprehensive Earnings) (Details) - USD ($)	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Summary of Significant Accounting Policies [Abstract]
Unrealized holding (losses) gains arising during the period, Pre-tax	$ (2,171,314)	$ 1,866,085
Reclassification adjustment for (gains) losses included in net earnings, Pre-tax	(232,767)	47,426
Total other comprehensive (loss) earnings, Pre-tax	(2,404,081)	1,913,511
Unrealized holding (losses) gains arising during the period, Tax	644,354	(429,343)
Reclassification adjustment for (gains) losses included in net earnings, Tax	48,881	(9,959)
Total other comprehensive (loss) earnings, Tax	693,235	(439,302)
Unrealized holding (losses) gains arising during the period, After-tax	(1,526,960)	1,436,742
Reclassification adjustment for (gains) losses included in net earnings, After-tax	(183,886)	37,467
Total other comprehensive earnings (loss)	$ (1,710,846)	$ 1,474,209

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Amount before tax, after reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Excludes amounts related to other than temporary impairment (OTTI) loss.

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Amount of tax expense (benefit), after reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Excludes amounts related to other than temporary impairment (OTTI) loss.

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Amount before tax, after reclassification adjustments of other comprehensive income (loss).

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