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Balance Sheet Parenthetical (USD $)
Dec. 31, 2014
Dec. 31, 2013
Allowance for losses on mortgage loans on real estate and construction loans, held for investment $ 2,003,055us-gaap_AllowanceForLoanAndLeaseLossesRealEstate $ 1,652,090us-gaap_AllowanceForLoanAndLeaseLossesRealEstate
Accumulated depreciation on real estate held for investment 10,875,419us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation 9,658,599us-gaap_RealEstateInvestmentPropertyAccumulatedDepreciation
Allowance for doubtful accounts on policy and other loans $ 693,413us-gaap_AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables $ 269,175us-gaap_AllowanceForDoubtfulAccountsPremiumsAndOtherReceivables
Class A Common Stock    
Common Stock Par Value $ 2.00us-gaap_CommonStockParOrStatedValuePerShare
/ us-gaap_StatementClassOfStockAxis
= fil_ClassAMember
$ 2.00us-gaap_CommonStockParOrStatedValuePerShare
/ us-gaap_StatementClassOfStockAxis
= fil_ClassAMember
Common Stock Authorized 20,000,000us-gaap_CommonStockSharesAuthorized
/ us-gaap_StatementClassOfStockAxis
= fil_ClassAMember
20,000,000us-gaap_CommonStockSharesAuthorized
/ us-gaap_StatementClassOfStockAxis
= fil_ClassAMember
Common Stock Issued 12,459,240us-gaap_CommonStockSharesIssued
/ us-gaap_StatementClassOfStockAxis
= fil_ClassAMember
11,807,287us-gaap_CommonStockSharesIssued
/ us-gaap_StatementClassOfStockAxis
= fil_ClassAMember
Treasury Stock 986,264us-gaap_TreasuryStockShares
/ us-gaap_StatementClassOfStockAxis
= fil_ClassAMember
1,141,021us-gaap_TreasuryStockShares
/ us-gaap_StatementClassOfStockAxis
= fil_ClassAMember
Class B Common Stock    
Common Stock Par Value $ 1.00us-gaap_CommonStockParOrStatedValuePerShare
/ us-gaap_StatementClassOfStockAxis
= fil_ClassBMember
$ 1.00us-gaap_CommonStockParOrStatedValuePerShare
/ us-gaap_StatementClassOfStockAxis
= fil_ClassBMember
Common Stock Authorized 5,000,000us-gaap_CommonStockSharesAuthorized
/ us-gaap_StatementClassOfStockAxis
= fil_ClassBMember
5,000,000us-gaap_CommonStockSharesAuthorized
/ us-gaap_StatementClassOfStockAxis
= fil_ClassBMember
Common Stock Issued      
Common Stock Outstanding      
Class C Common Stock    
Common Stock Par Value $ 2.00us-gaap_CommonStockParOrStatedValuePerShare
/ us-gaap_StatementClassOfStockAxis
= fil_ClassCMember
$ 2.00us-gaap_CommonStockParOrStatedValuePerShare
/ us-gaap_StatementClassOfStockAxis
= fil_ClassCMember
Common Stock Authorized 2,000,000us-gaap_CommonStockSharesAuthorized
/ us-gaap_StatementClassOfStockAxis
= fil_ClassCMember
2,000,000us-gaap_CommonStockSharesAuthorized
/ us-gaap_StatementClassOfStockAxis
= fil_ClassCMember
Common Stock Issued 1,394,069us-gaap_CommonStockSharesIssued
/ us-gaap_StatementClassOfStockAxis
= fil_ClassCMember
1,330,191us-gaap_CommonStockSharesIssued
/ us-gaap_StatementClassOfStockAxis
= fil_ClassCMember