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Investments In Securities (Schedule Of Gross Unrealized Gains And Losses And Amortized Cost For Securities) (Details) (USD $)
Sep. 30, 2014
Dec. 31, 2013
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Available-for-sale, at fair value, Amortized Cost $ 90,366,745 $ 87,980,160
General Obligations Of U.S. States, Territories And Political Subdivisions
    
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Available-for-sale, at fair value, Amortized Cost 32,951,738 38,449,309
Available-for-sale, at fair value, Gross Unrealized Gains 1,712,365 1,922,862
Available-for-sale, at fair value, Gross Unrealized Losses 9,432 184,351
Available-for-sale, at fair value, Estimated Fair Value 34,654,671 40,187,820
Special Revenue Obligations Of U.S. States, Territories And Political Subdivisions
    
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Available-for-sale, at fair value, Amortized Cost 36,825,975 30,874,571
Available-for-sale, at fair value, Gross Unrealized Gains 2,198,181 1,234,130
Available-for-sale, at fair value, Gross Unrealized Losses 66,932 204,800
Available-for-sale, at fair value, Estimated Fair Value 38,957,224 31,903,901
Number of Special Revenue Bonds 30  
Corporate Debt Securities
    
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Available-for-sale, at fair value, Amortized Cost 19,667,522 17,736,608
Available-for-sale, at fair value, Gross Unrealized Gains 828,301 789,840
Available-for-sale, at fair value, Gross Unrealized Losses 45,980 108,456
Available-for-sale, at fair value, Estimated Fair Value 20,449,843 18,417,992
Auction Rate Securities
    
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Available-for-sale, at fair value, Amortized Cost 921,510 919,672
Available-for-sale, at fair value, Gross Unrealized Gains 11,890 16,028
Available-for-sale, at fair value, Gross Unrealized Losses 0 0
Available-for-sale, at fair value, Estimated Fair Value 933,400 935,700
Total Fixed Maturities
    
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Available-for-sale, at fair value, Amortized Cost 90,366,745 87,980,160
Available-for-sale, at fair value, Gross Unrealized Gains 4,750,737 3,962,860
Available-for-sale, at fair value, Gross Unrealized Losses 122,344 497,607
Available-for-sale, at fair value, Estimated Fair Value 94,995,138 91,445,413
Common Stocks And Nonredeemable Preferred Stocks
    
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Available-for-sale, at fair value, Amortized Cost 23,498,121 22,200,369
Available-for-sale, at fair value, Gross Unrealized Gains 14,093,549 14,052,780
Available-for-sale, at fair value, Gross Unrealized Losses 129,996 109,084
Available-for-sale, at fair value, Estimated Fair Value 37,461,674 36,144,065
Equity Securities
    
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Available-for-sale, at fair value, Amortized Cost 23,498,121 22,200,369
Available-for-sale, at fair value, Gross Unrealized Gains 14,093,549 14,052,780
Available-for-sale, at fair value, Gross Unrealized Losses 129,996 109,084
Available-for-sale, at fair value, Estimated Fair Value 37,461,674 36,144,065
Certificates Of Deposit And Other
    
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Available-for-sale, at fair value, Amortized Cost 6,154,749 7,926,373
Available-for-sale, at fair value, Gross Unrealized Gains 0 0
Available-for-sale, at fair value, Gross Unrealized Losses 0 0
Available-for-sale, at fair value, Estimated Fair Value 6,154,749 7,926,373
Short-Term Investments
    
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Available-for-sale, at fair value, Amortized Cost 6,154,749 7,926,373
Available-for-sale, at fair value, Gross Unrealized Gains 0 0
Available-for-sale, at fair value, Gross Unrealized Losses 0 0
Available-for-sale, at fair value, Estimated Fair Value $ 6,154,749 $ 7,926,373