Income Taxes - Schedule of Income Taxes (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Taxes at statutory income tax rate									$ 1,351,733	$ 1,116,262	$ 1,845,313
Reductions in taxes resulting from exempt income									(209,892)	(272,486)	(524,347)
Other timing differences									4,745	(175,360)	298,934
Total income taxes	$ 278,000	$ 365,000	$ 261,000	$ 243,000	$ 253,000	$ 209,000	$ 207,000	$ (1,000)	$ 1,146,586	$ 668,416	$ 1,619,900
Taxes at statutory income tax rate, percentage									21.00%	21.00%	34.00%
Reductions in taxes resulting from exempt income, percentage									(3.30%)	(5.10%)	(9.70%)
Other timing differences, percentage									0.10%	(3.30%)	5.50%
Total income taxes, percentage									17.80%	12.60%	29.80%