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Investments In Securities (Schedule Of Gross Unrealized Gains And Losses And Amortized Cost For Securities) (Details) (USD $)
Jun. 30, 2013
Dec. 31, 2012
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Available-for-sale, at fair value, Amortized Cost $ 70,909,769 $ 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 37,812,768 38,658,463
Available-for-sale, at fair value, Gross Unrealized Gains 2,303,400 3,211,445
Available-for-sale, at fair value, Gross Unrealized Losses 114,892 0
Available-for-sale, at fair value, Estimated Fair Value 40,001,276 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 17,152,757 18,933,299
Available-for-sale, at fair value, Gross Unrealized Gains 1,348,518 1,909,106
Available-for-sale, at fair value, Gross Unrealized Losses 22,881 10,455
Available-for-sale, at fair value, Estimated Fair Value 18,478,394 20,831,950
Corporate Debt Securities
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Available-for-sale, at fair value, Amortized Cost 15,025,811 17,064,697
Available-for-sale, at fair value, Gross Unrealized Gains 837,221 1,252,973
Available-for-sale, at fair value, Gross Unrealized Losses 44,362 14,750
Available-for-sale, at fair value, Estimated Fair Value 15,818,670 18,302,920
Auction Rate Securities
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Available-for-sale, at fair value, Amortized Cost 918,433 917,214
Available-for-sale, at fair value, Gross Unrealized Gains 11,267 14,986
Available-for-sale, at fair value, Gross Unrealized Losses 0 0
Available-for-sale, at fair value, Estimated Fair Value 929,700 932,200
Total Fixed Maturities
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Available-for-sale, at fair value, Amortized Cost 70,909,769 75,573,673
Available-for-sale, at fair value, Gross Unrealized Gains 4,500,406 6,388,510
Available-for-sale, at fair value, Gross Unrealized Losses 182,135 25,205
Available-for-sale, at fair value, Estimated Fair Value 75,228,040 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 21,203,886 21,229,114
Available-for-sale, at fair value, Gross Unrealized Gains 10,193,487 7,373,056
Available-for-sale, at fair value, Gross Unrealized Losses 188,778 91,237
Available-for-sale, at fair value, Estimated Fair Value 31,208,595 28,510,933
Equity Securities
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Available-for-sale, at fair value, Amortized Cost 21,203,886 21,229,114
Available-for-sale, at fair value, Gross Unrealized Gains 10,193,487 7,373,056
Available-for-sale, at fair value, Gross Unrealized Losses 188,778 91,237
Available-for-sale, at fair value, Estimated Fair Value 31,208,595 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 16,078,465 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 16,078,465 13,567,648
Short-Term Investments
   
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Available-for-sale, at fair value, Amortized Cost 16,078,465 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 $ 16,078,465 $ 13,567,648