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Concentrations of Credit Risk (Details)
3 Months Ended 12 Months Ended
Mar. 31, 2021
USD ($)
State
Mar. 31, 2020
Dec. 31, 2020
USD ($)
Concentrations [Abstract]      
Number of states by which entity primarily serves | State 4    
Maximum retention limits per life $ 125,000    
Allocation of Oil and Gas Investments [Abstract]      
Fixed maturities, at fair value (amortized cost $145,577,264 and $146,017,864) 157,859,328   $ 165,779,997 [1]
Equity securities, at fair value (cost $45,129,944 and $36,833,795) 106,191,232   78,075,187 [1]
Investment real estate 37,807,570   38,086,391 [1]
Notes receivable 17,359,885   17,682,296 [1]
Total investments $ 362,131,839   343,405,949 [1]
Equity Securities [Member]      
Concentrations [Abstract]      
Concentration risk, percentage 59.00% 47.00%  
Oil and Gas Industry [Member]      
Allocation of Oil and Gas Investments [Abstract]      
Fixed maturities, at fair value (amortized cost $145,577,264 and $146,017,864) $ 1,245,020   1,268,670
Equity securities, at fair value (cost $45,129,944 and $36,833,795) 62,257,209   41,551,468
Investment real estate 19,190,517   20,031,576
Notes receivable 6,000,000   6,000,000
Total investments 88,692,746   68,851,714
Oil and Gas Industry [Member] | Land, Mineral, and Royalty Interests [Member]      
Allocation of Oil and Gas Investments [Abstract]      
Fixed maturities, at fair value (amortized cost $145,577,264 and $146,017,864) 0   0
Equity securities, at fair value (cost $45,129,944 and $36,833,795) 62,257,209   41,551,468
Investment real estate 19,190,517   20,031,576
Notes receivable 6,000,000   6,000,000
Total investments 87,447,726   67,583,044
Oil and Gas Industry [Member] | Transportation [Member]      
Allocation of Oil and Gas Investments [Abstract]      
Fixed maturities, at fair value (amortized cost $145,577,264 and $146,017,864) 0   0
Equity securities, at fair value (cost $45,129,944 and $36,833,795) 0   0
Investment real estate 0   0
Notes receivable 0   0
Total investments 0   0
Oil and Gas Industry [Member] | Exploration [Member]      
Allocation of Oil and Gas Investments [Abstract]      
Fixed maturities, at fair value (amortized cost $145,577,264 and $146,017,864) 1,245,020   1,268,670
Equity securities, at fair value (cost $45,129,944 and $36,833,795) 0   0
Investment real estate 0   0
Notes receivable 0   0
Total investments $ 1,245,020   $ 1,268,670
Reinsurer Concentration Risk [Member] | Life Insurance Ceded [Member]      
Concentrations [Abstract]      
Percentage of gross insurance in force 20.00%   20.00%
Percentage of premium income 34.00% 33.00%  
Direct Premium Collected [Member] | Geographic Concentration Risk [Member] | Illinois, Ohio, Texas and West Virginia [Member]      
Concentrations [Abstract]      
Concentration risk, percentage 57.00% 55.00%  
Invested Assets [Member] | Customer Concentration Risk [Member] | Oil and Gas Industry [Member]      
Concentrations [Abstract]      
Concentration risk, percentage 24.00%   20.00%
[1] Balance sheet audited at December 31, 2019.