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Balance Sheet Parenthetical (USD $)
Jun. 30, 2013
Dec. 31, 2012
Allowance for losses on mortgage loans on real estate and construction loans, held for investment $ 4,413,927 $ 4,239,861
Accumulated depreciation on real estate held for investment 8,407,127 7,441,418
Allowance for doubtful accounts on policy and other loans $ 531,337 $ 505,030
Class A Common Stock
    
Common Stock Par Value $ 2.00 $ 2.00
Common Stock Authorized 20,000,000 20,000,000
Common Stock Issued 11,018,020 10,843,576
Treasury Stock 1,166,347 1,097,416
Class B Common Stock
    
Common Stock Par Value $ 1.00 $ 1.00
Common Stock Authorized 5,000,000 5,000,000
Common Stock Issued      
Common Stock Outstanding      
Class C Common Stock
    
Common Stock Par Value $ 0.20 $ 0.20
Common Stock Authorized 15,000,000 15,000,000
Common Stock Issued 12,669,983 10,974,101