Summary of Significant Accounting Policies (Details)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017 USD ($) Segment	Dec. 31, 2016 USD ($)
Business Segments [Abstract]
Number of business segments | Segment		1
Reinsurance [Abstract]
Maximum amount retained per individual life		$ 125,000	$ 125,000
Property, Plant and Equipment [Line Items]
Accumulated depreciaition		5,225,333	4,779,216
Depreciation expense		$ 446,117	$ 451,667
Income Tax Disclosure [Line Items]
Corporate Federal income tax rate		35.00%
Plan [Member]
Income Tax Disclosure [Line Items]
Corporate Federal income tax rate	21.00%
Jesse T. Correll, Chief Executive Officer and Chairman of the Board [Member]
Related Party Transaction [Line Items]
Ownership or control of outstanding common stock directly or indirectly		64.25%
Minimum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives		3 years
Maximum [Member]
Property, Plant and Equipment [Line Items]
Estimated useful lives		30 years
Life Insurance [Member] | Minimum [Member]
Future Policy Benefits and Expenses [Abstract]
Liability for future policy benefits, interest rate		2.00%
Life Insurance [Member] | Maximum [Member]
Future Policy Benefits and Expenses [Abstract]
Liability for future policy benefits, interest rate		6.00%
Universal Life [Member] | Minimum [Member]
Future Policy Benefits and Expenses [Abstract]
Interest crediting rates		3.00%	3.00%
Universal Life [Member] | Maximum [Member]
Future Policy Benefits and Expenses [Abstract]
Interest crediting rates		6.00%	6.00%
Interest Sensitive Life [Member] | Minimum [Member]
Future Policy Benefits and Expenses [Abstract]
Interest crediting rates		3.00%	3.00%
Interest Sensitive Life [Member] | Maximum [Member]
Future Policy Benefits and Expenses [Abstract]
Interest crediting rates		6.00%	6.00%
Annuities [Member] | Minimum [Member]
Future Policy Benefits and Expenses [Abstract]
Liability for future policy benefits, interest rate		2.50%
Annuities [Member] | Maximum [Member]
Future Policy Benefits and Expenses [Abstract]
Liability for future policy benefits, interest rate		7.50%
First Southern National Bank [Member]
Subsidiary or Equity Method Investee [Line Items]
Ownership in subsidiary bank		100.00%