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Investments: Schedule Of Credit Risk Of Mortgage Loans Based On Performance Status (Details) - USD ($) | Jun. 30, 2021 | Dec. 31, 2020
--- | --- | ---
Marketable Securities [Line Items] |  |
Mortgage loans | $ 266,363,862 | $ 253,771,091
Commercial Loan [Member] |  |
Marketable Securities [Line Items] |  |
Mortgage loans | 47,440,235 | 46,836,866
Residential Mortgage [Member] |  |
Marketable Securities [Line Items] |  |
Mortgage loans | 83,195,347 | 95,822,448
Residential construction |  |
Marketable Securities [Line Items] |  |
Mortgage loans | 135,728,280 | 111,111,777
Performing Financing Receivable |  |
Marketable Securities [Line Items] |  |
Mortgage loans | 261,638,153 | 243,488,621
Performing Financing Receivable | Commercial Loan [Member] |  |
Marketable Securities [Line Items] |  |
Mortgage loans | 46,591,771 | 44,688,039
Performing Financing Receivable | Residential Mortgage [Member] |  |
Marketable Securities [Line Items] |  |
Mortgage loans | 79,519,065 | 87,889,768
Performing Financing Receivable | Residential construction |  |
Marketable Securities [Line Items] |  |
Mortgage loans | 135,527,317 | 110,910,814
Nonperforming Financing Receivable |  |
Marketable Securities [Line Items] |  |
Mortgage loans | 4,725,709 | 10,282,470
Nonperforming Financing Receivable | Commercial Loan [Member] |  |
Marketable Securities [Line Items] |  |
Mortgage loans | 848,464 | 2,148,827
Nonperforming Financing Receivable | Residential Mortgage [Member] |  |
Marketable Securities [Line Items] |  |
Mortgage loans | 3,676,282 | 7,932,680
Nonperforming Financing Receivable | Residential construction |  |
Marketable Securities [Line Items] |  |
Mortgage loans | $ 200,963 | $ 200,963

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