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8) 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
--- | ---
Mar. 31, 2021 | Mar. 31, 2020
Net Derivatives Loan Commitments |  |  |
Fair Value Balance |  | $ 10,128,610 | $ 2,491,233
Originations |  | 0 | 0
Sales |  | 0 | 0
Transfer to mortgage loans held for investment |  | 0 | 0
Fair Value, Gains (Losses) included in earnings | [1] | 314,466 | 3,275,032
Total gains (losses) included in other comprehensive income |  | 0 | 0
Fair Value Balance |  | 10,443,076 | 5,766,265
Loans Held For Sale |  |  |
Fair Value Balance |  | 422,772,418 | 213,457,632
Originations |  | 1,449,841,009 | 792,193,592
Sales |  | (1,614,880,058) | (739,130,456)
Transfer to mortgage loans held for investment |  | (201,951) | (8,933,676)
Fair Value, Gains (Losses) included in earnings | [1] | 46,498,954 | 23,465,484
Total gains (losses) included in other comprehensive income |  | 0 | 0
Fair Value Balance |  | 304,030,372 | 281,052,576
Fixed maturity securities available for sale |  |  |
Fair Value Balance |  | 2,201,175 | 3,216,382
Originations |  | 0 | 0
Sales |  | (11,100) | (10,300)
Transfer to mortgage loans held for investment |  | 0 | 0
Fair Value, Gains (Losses) included in earnings | [2] | 893 | 828
Total gains (losses) included in other comprehensive income |  | 125 | 68,416
Fair Value Balance |  | $ 2,191,093 | $ 3,275,326
[1] | As a component of Mortgage fee income on the condensed consolidated statements of earnings
[2] | As a component of Net investment income on the condensed consolidated statements of earnings

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