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Fair Value of Financial Instruments: Schedule of Changes in the consolidated balance sheet line items measured using level 3 inputs (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2021 | Jun. 30, 2020 | Jun. 30, 2021 | Jun. 30, 2020
Net Derivatives Loan Commitments |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |
Fair Value Balance | $ 10,443,076 |  | $ 5,766,265 |  | $ 10,128,610 |  | $ 2,491,233 |
Originations | 0 |  | 0 |  | 0 |  | 0 |
Sales | 0 |  | 0 |  | 0 |  | 0 |
Transfer to mortgage loans held for investment | 0 |  | 0 |  | 0 |  | 0 |
Fair Value, Gains (Losses) included in earnings | (482,863) | [1] | 5,278,100 | [2] | (168,397) | [3] | 8,553,132 | [4]
Total gains (losses) included in other comprehensive income | 0 |  | 0 |  | 0 |  | 0 |
Fair Value Balance | 9,960,213 |  | 11,044,365 |  | 9,960,213 |  | 11,044,365 |
Loans Held For Sale 1 [Member] |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |
Fair Value Balance | 304,030,372 |  | 281,052,576 |  | 422,772,418 |  | 213,457,632 |
Originations | 1,360,389,498 |  | 1,312,854,438 |  | 2,810,230,507 |  | 2,105,048,030 |
Sales | (1,410,147,019) |  | (1,278,846,335) |  | (3,025,027,077) |  | (2,017,976,791) |
Transfer to mortgage loans held for investment | 0 |  | 0 |  | (201,951) |  | (8,933,676) |
Fair Value, Gains (Losses) included in earnings | 42,455,235 | [1] | 41,889,279 | [2] | 88,954,189 | [3] | 65,354,763 | [4]
Total gains (losses) included in other comprehensive income | 0 |  | 0 |  | 0 |  | 0 |
Fair Value Balance | 296,728,086 |  | 356,949,958 |  | 296,728,086 |  | 356,949,958 |
Fixed Maturity Securities Available For Sale 1 [Member] |  |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |  |
Fair Value Balance | 2,191,093 |  | 3,275,326 |  | 2,201,175 |  | 3,216,382 |
Originations | 0 |  | 0 |  | 0 |  | 0 |
Sales | (11,300) |  | (1,010,500) |  | (22,400) |  | (1,020,800) |
Transfer to mortgage loans held for investment | 0 |  | 0 |  | 0 |  | 0 |
Fair Value, Gains (Losses) included in earnings | 908 | [5] | 844 | [6] | 1,801 | [7] | 1,672 | [8]
Total gains (losses) included in other comprehensive income | 127 |  | (44,278) |  | 252 |  | 24,138 |
Fair Value Balance | $ 2,180,828 |  | $ 2,221,392 |  | $ 2,180,828 |  | $ 2,221,392 |
[1] | As a component of Mortgage fee income on the condensed consolidated statements of earnings
[2] | As a component of Mortgage fee income on the condensed consolidated statements of earnings
[3] | As a component of Mortgage fee income on the condensed consolidated statements of earnings
[4] | As a component of Mortgage fee income on the condensed consolidated statements of earnings
[5] | As a component of Net investment income on the condensed consolidated statements of earnings
[6] | As a component of Net investment income on the condensed consolidated statements of earnings
[7] | As a component of Net investment income on the condensed consolidated statements of earnings
[8] | As a component of Net investment income on the condensed consolidated statements of earnings

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