Consolidated Statements of Shareholders' Equity - USD ($)	Common Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Noncontrolling Interest [Member]	Total
Balance at Dec. 31, 2018	$ 3,296	$ 36,567,865	$ 69,708,901	$ 62,495	$ 734,153	$ 107,076,710
Common stock issued during year	11	353,876	0	0	0	353,887
Treasury shares acquired and retired	(28)	(909,340)	0	0	0	(909,368)
Net income attributable to common shareholders	0	0	16,270,777	0	0	16,270,777
Unrealized holding loss on securities net of noncontrolling interest and reclassification adjustment and taxes	0	0	0	8,915,419	0	8,915,419
Contributions	0	0	0	0	0	0
Distributions	0	0	0	0	(535,662)	(535,662)
Gain attributable to noncontrolling interest	0	0	0	0	325,143	325,143
Balance at Dec. 31, 2019	3,279	36,012,401	85,979,678	8,977,914	523,634	131,496,906
Common stock issued during year	11	325,657	0	0	0	325,668
Treasury shares acquired and retired	(114)	(3,313,040)	0	0	0	(3,313,154)
Net income attributable to common shareholders	0	0	2,088,606	0	0	2,088,606
Unrealized holding loss on securities net of noncontrolling interest and reclassification adjustment and taxes	0	0	0	6,606,327	0	6,606,327
Contributions	0	0	0	0	0	0
Distributions	0	0	0	0	(190,818)	(190,818)
Gain attributable to noncontrolling interest	0	0	0	0	127,956	127,956
Balance at Dec. 31, 2020	$ 3,176	$ 33,025,018	$ 88,068,284	$ 15,584,241	$ 460,772	$ 137,141,491