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Investments In Securities (Schedule Of Gross Unrealized Gains And Losses And Amortized Cost For Securities) (Details)
Sep. 30, 2015
USD ($)
Dec. 31, 2014
USD ($)
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Available-for-sale, at fair value, Amortized Cost $ 94,114,403 $ 104,421,050
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 27,857,108 35,215,247
Available-for-sale, at fair value, Gross Unrealized Gains 1,064,674 1,527,794
Available-for-sale, at fair value, Gross Unrealized Losses 35,992 19,542
Available-for-sale, at fair value, Estimated Fair Value 28,885,790 36,723,499
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 47,745,393 46,707,033
Available-for-sale, at fair value, Gross Unrealized Gains 2,365,492 2,405,725
Available-for-sale, at fair value, Gross Unrealized Losses 84,022 55,502
Available-for-sale, at fair value, Estimated Fair Value $ 50,026,863 $ 49,057,256
Number of Special Revenue Bonds 50 50
Corporate Debt Securities    
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Available-for-sale, at fair value, Amortized Cost $ 17,587,935 $ 21,576,641
Available-for-sale, at fair value, Gross Unrealized Gains 619,909 823,133
Available-for-sale, at fair value, Gross Unrealized Losses 25,455 71,339
Available-for-sale, at fair value, Estimated Fair Value 18,182,389 22,328,435
Auction Rate Securities    
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Available-for-sale, at fair value, Amortized Cost 923,967 922,129
Available-for-sale, at fair value, Gross Unrealized Gains 15,033 16,971
Available-for-sale, at fair value, Gross Unrealized Losses 0 0
Available-for-sale, at fair value, Estimated Fair Value 939,000 939,100
Total Fixed Maturities    
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Available-for-sale, at fair value, Amortized Cost 94,114,403 104,421,050
Available-for-sale, at fair value, Gross Unrealized Gains 4,065,108 4,773,623
Available-for-sale, at fair value, Gross Unrealized Losses 145,469 146,383
Available-for-sale, at fair value, Estimated Fair Value 98,034,042 109,048,290
Common Stocks And Nonredeemable Preferred Stocks    
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Available-for-sale, at fair value, Amortized Cost 24,247,215 24,128,753
Available-for-sale, at fair value, Gross Unrealized Gains 11,612,947 15,225,459
Available-for-sale, at fair value, Gross Unrealized Losses 724,277 99,231
Available-for-sale, at fair value, Estimated Fair Value 35,135,885 39,254,981
Equity Securities    
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Available-for-sale, at fair value, Amortized Cost 24,247,215 24,128,753
Available-for-sale, at fair value, Gross Unrealized Gains 11,612,947 15,225,459
Available-for-sale, at fair value, Gross Unrealized Losses 724,277 99,231
Available-for-sale, at fair value, Estimated Fair Value 35,135,885 39,254,981
Certificates Of Deposit And Other    
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Available-for-sale, at fair value, Amortized Cost 13,884,266 2,576,993
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 13,884,266 2,576,993
Short-Term Investments    
Schedule of Trading Securities and Other Trading Assets [Line Items]    
Available-for-sale, at fair value, Amortized Cost 13,884,266 2,576,993
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 $ 13,884,266 $ 2,576,993