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3) Investments: Schedule of Unrealized Loss on Investments (Details) - USD ($) | 9 Months Ended | 12 Months Ended
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Sep. 30, 2020 | Dec. 31, 2019
US States and Political Subdivisions Debt Securities |  |
Held-to-maturity Securities, Unrecognized Holding Loss | $ 1,792 | $ 9,026
Debt Securities, Held-to-maturity, Fair Value | 207,330 | 3,062,889
US States and Political Subdivisions Debt Securities | Less Than 12 Months |  |
Held-to-maturity Securities, Unrecognized Holding Loss | 1,792 | 9,026
Debt Securities, Held-to-maturity, Fair Value | 207,330 | 3,062,889
US States and Political Subdivisions Debt Securities | More Than 12 Months |  |
Held-to-maturity Securities, Unrecognized Holding Loss | 0 | 0
Debt Securities, Held-to-maturity, Fair Value | 0 | 0
Corporate Securities |  |
Held-to-maturity Securities, Unrecognized Holding Loss | 2,137,953 | 463,413
Debt Securities, Held-to-maturity, Fair Value | 31,877,868 | 11,134,820
Corporate Securities | Less Than 12 Months |  |
Held-to-maturity Securities, Unrecognized Holding Loss | 1,305,034 | 118,746
Debt Securities, Held-to-maturity, Fair Value | 28,511,620 | 7,184,311
Corporate Securities | More Than 12 Months |  |
Held-to-maturity Securities, Unrecognized Holding Loss | 832,919 | 344,667
Debt Securities, Held-to-maturity, Fair Value | 3,366,248 | 3,950,509
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises |  |
Held-to-maturity Securities, Unrecognized Holding Loss | 499,496 | 240,177
Debt Securities, Held-to-maturity, Fair Value | 6,002,894 | 13,769,212
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises | Less Than 12 Months |  |
Held-to-maturity Securities, Unrecognized Holding Loss | 476,698 | 205,470
Debt Securities, Held-to-maturity, Fair Value | 5,601,677 | 13,266,443
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises | More Than 12 Months |  |
Held-to-maturity Securities, Unrecognized Holding Loss | 22,798 | 34,707
Debt Securities, Held-to-maturity, Fair Value | 401,217 | 502,769
Redeemable Preferred Stock |  |
Held-to-maturity Securities, Unrecognized Holding Loss | 32,500 | 0
Debt Securities, Held-to-maturity, Fair Value | 217,500 |
Redeemable Preferred Stock | Less Than 12 Months |  |
Held-to-maturity Securities, Unrecognized Holding Loss | 32,500 |
Debt Securities, Held-to-maturity, Fair Value | 217,500 |
Redeemable Preferred Stock | More Than 12 Months |  |
Held-to-maturity Securities, Unrecognized Holding Loss | 0 |
Debt Securities, Held-to-maturity, Fair Value | 0 |
Total unrealized losses |  |
Held-to-maturity Securities, Unrecognized Holding Loss | 2,671,741 | 737,831
Debt Securities, Held-to-maturity, Fair Value | 38,305,592 | 68,596,609
Total unrealized losses | Less Than 12 Months |  |
Held-to-maturity Securities, Unrecognized Holding Loss | 1,816,024 | 353,453
Debt Securities, Held-to-maturity, Fair Value | 34,538,127 | 54,142,931
Total unrealized losses | More Than 12 Months |  |
Held-to-maturity Securities, Unrecognized Holding Loss | 855,717 | 384,378
Debt Securities, Held-to-maturity, Fair Value | 3,767,465 | 14,453,678
US Treasury Securities [Member] |  |
Held-to-maturity Securities, Unrecognized Holding Loss | $ 0 | 25,215
Debt Securities, Held-to-maturity, Fair Value |  | 40,629,688
US Treasury Securities [Member] | Less Than 12 Months |  |
Held-to-maturity Securities, Unrecognized Holding Loss |  | 20,211
Debt Securities, Held-to-maturity, Fair Value |  | 30,629,288
US Treasury Securities [Member] | More Than 12 Months |  |
Held-to-maturity Securities, Unrecognized Holding Loss |  | 5,004
Debt Securities, Held-to-maturity, Fair Value |  | $ 10,000,400

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