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Investments in Securities and Fair Value Schedule of Earnings on Investments (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Schedule of Investment Income, Reported Amounts, by Category [Line Items] |  |  |
Investment income | $ 4,684,489 | $ 4,531,319 | $ 4,259,501
Fixed maturities |  |  |
Schedule of Investment Income, Reported Amounts, by Category [Line Items] |  |  |
Investment income | 3,506,484 | 3,439,296 | 3,282,810
Equity securities |  |  |
Schedule of Investment Income, Reported Amounts, by Category [Line Items] |  |  |
Investment income | 1,157,550 | 1,086,365 | 973,419
Invested cash and other short-term investments |  |  |
Schedule of Investment Income, Reported Amounts, by Category [Line Items] |  |  |
Investment income | 19,982 | 5,605 | 3,202
Miscellaneous interest |  |  |
Schedule of Investment Income, Reported Amounts, by Category [Line Items] |  |  |
Investment income | $ 473 | $ 53 | $ 70

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