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Investments In Securities (Schedule Of Gross Unrealized Gains And Losses And Amortized Cost For Securities) (Details) (USD $)
Sep. 30, 2013
Dec. 31, 2012
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Available-for-sale, at fair value, Amortized Cost $ 82,077,868 $ 75,573,673
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 37,441,654 38,658,463
Available-for-sale, at fair value, Gross Unrealized Gains 2,159,279 3,211,445
Available-for-sale, at fair value, Gross Unrealized Losses 168,826 0
Available-for-sale, at fair value, Estimated Fair Value 39,432,107 41,869,908
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 26,462,356 18,933,299
Available-for-sale, at fair value, Gross Unrealized Gains 1,396,079 1,909,106
Available-for-sale, at fair value, Gross Unrealized Losses 104,564 10,455
Available-for-sale, at fair value, Estimated Fair Value 27,753,871 20,831,950
Corporate Debt Securities
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Available-for-sale, at fair value, Amortized Cost 17,254,805 17,064,697
Available-for-sale, at fair value, Gross Unrealized Gains 812,949 1,252,973
Available-for-sale, at fair value, Gross Unrealized Losses 81,434 14,750
Available-for-sale, at fair value, Estimated Fair Value 17,986,320 18,302,920
Auction Rate Securities
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Available-for-sale, at fair value, Amortized Cost 919,053 917,214
Available-for-sale, at fair value, Gross Unrealized Gains 9,147 14,986
Available-for-sale, at fair value, Gross Unrealized Losses 0 0
Available-for-sale, at fair value, Estimated Fair Value 928,200 932,200
Total Fixed Maturities
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Available-for-sale, at fair value, Amortized Cost 82,077,868 75,573,673
Available-for-sale, at fair value, Gross Unrealized Gains 4,377,454 6,388,510
Available-for-sale, at fair value, Gross Unrealized Losses 354,824 25,205
Available-for-sale, at fair value, Estimated Fair Value 86,100,498 81,936,978
Common Stocks And Nonredeemable Preferred Stocks
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Available-for-sale, at fair value, Amortized Cost 22,307,440 21,229,114
Available-for-sale, at fair value, Gross Unrealized Gains 11,421,927 7,373,056
Available-for-sale, at fair value, Gross Unrealized Losses 268,395 91,237
Available-for-sale, at fair value, Estimated Fair Value 33,460,972 28,510,933
Equity Securities
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Available-for-sale, at fair value, Amortized Cost 22,307,440 21,229,114
Available-for-sale, at fair value, Gross Unrealized Gains 11,421,927 7,373,056
Available-for-sale, at fair value, Gross Unrealized Losses 268,395 91,237
Available-for-sale, at fair value, Estimated Fair Value 33,460,972 28,510,933
Certificates Of Deposit And Other
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Available-for-sale, at fair value, Amortized Cost 15,388,647 13,567,648
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 15,388,647 13,567,648
Short-Term Investments
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Available-for-sale, at fair value, Amortized Cost 15,388,647 13,567,648
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 $ 15,388,647 $ 13,567,648