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Summary of Significant Accounting and Reporting Policies (Fixed Income Securities Contractual Maturity) (Details) - USD ($) | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Debt Securities, Available-for-sale [Line Items] |  |
Total | $ 271,275,758 | $ 303,542,081
Fixed Income Securities |  |
Debt Securities, Available-for-sale [Line Items] |  |
Due within one year | 137,752,302 |
Due between one and five years | 43,125,222 |
Due over five years | 87,766,483 |
Total | $ 268,644,007 |

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