Summary of Significant Accounting Policies (Details) - USD ($)	12 Months Ended
Dec. 31, 2016	Dec. 31, 2015
Business Segments [Abstract]
Maximum amount retained per individual life	$ 125,000	$ 125,000
Property, Plant and Equipment [Line Items]
Depreciation, Total	451,667	459,218
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment, Excluding Capital Leased Assets	$ 4,779,216	$ 4,327,549
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	63.75%
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
First Southern National Bank [Member]
Subsidiary or Equity Method Investee [Line Items]
Ownership in subsidiary bank	100.00%
Life Insurance [Member] \| Minimum [Member]
Effects of Reinsurance [Line Items]
Liability for future policy benefits, interest rate	2.00%
Life Insurance [Member] \| Maximum [Member]
Effects of Reinsurance [Line Items]
Liability for future policy benefits, interest rate	6.00%
Universal Life [Member] \| Minimum [Member]
Effects of Reinsurance [Line Items]
Interest crediting rates	3.00%	3.00%
Universal Life [Member] \| Maximum [Member]
Effects of Reinsurance [Line Items]
Interest crediting rates	6.00%	6.00%
Interest Sensitive Life [Member] \| Minimum [Member]
Effects of Reinsurance [Line Items]
Interest crediting rates	3.00%	3.00%
Interest Sensitive Life [Member] \| Maximum [Member]
Effects of Reinsurance [Line Items]
Interest crediting rates	6.00%	6.00%
Annuities [Member] \| Minimum [Member]
Effects of Reinsurance [Line Items]
Liability for future policy benefits, interest rate	2.50%
Annuities [Member] \| Maximum [Member]
Effects of Reinsurance [Line Items]
Liability for future policy benefits, interest rate	7.50%

Cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land or leased assets).

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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-Section S99
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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