Summary of Significant Accounting Policies (Summary of Components of Other Comprehensive Earnings) (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Summary of Significant Accounting Policies [Abstract]
Unrealized holding (losses) gains arising during the period, Pre-tax	$ 1,376,922	$ 4,573,465	$ (1,440,170)	$ 2,640,604
Reclassification adjustment for (gains) losses included in net earnings, Pre-tax	(8,584)	(111,782)	(9,874)	(344,549)
Total other comprehensive (loss) earnings, Pre-tax	1,368,338	4,461,683	(1,450,044)	2,296,055
Unrealized holding (losses) gains arising during the period, Tax	(289,153)	(960,428)	302,436	(554,527)
Reclassification adjustment for (gains) losses included in net earnings, Tax	1,802	23,474	2,073	72,355
Total other comprehensive (loss) earnings, Tax	(287,351)	(936,953)	304,509	(482,172)
Unrealized holding (losses) gains arising during the period, After-tax	1,087,769	3,613,037	(1,137,734)	2,086,077
Reclassification adjustment for (gains) losses included in net earnings, After-tax	(6,782)	(88,308)	(7,801)	(272,194)
Net current period other comprehensive loss	$ 1,080,987	$ 3,524,729	$ (1,145,535)	$ 1,813,883