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3) Investments: Schedule of Unrealized Loss on Investments (Details) - USD ($) | 6 Months Ended | 12 Months Ended
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Jun. 30, 2020 | Dec. 31, 2019
US States and Political Subdivisions Debt Securities |  |
Held-to-maturity Securities, Unrecognized Holding Loss | $ 2,661 | $ 9,026
Debt Securities, Held-to-maturity, Fair Value | 717,466 | 3,062,889
US States and Political Subdivisions Debt Securities | Less Than 12 Months |  |
Held-to-maturity Securities, Unrecognized Holding Loss | 2,661 | 9,026
Debt Securities, Held-to-maturity, Fair Value | 717,466 | 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 | 2,841,768 | 463,413
Debt Securities, Held-to-maturity, Fair Value | 25,180,780 | 11,134,820
Corporate Securities | Less Than 12 Months |  |
Held-to-maturity Securities, Unrecognized Holding Loss | 1,876,784 | 118,746
Debt Securities, Held-to-maturity, Fair Value | 22,141,540 | 7,184,311
Corporate Securities | More Than 12 Months |  |
Held-to-maturity Securities, Unrecognized Holding Loss | 964,984 | 344,667
Debt Securities, Held-to-maturity, Fair Value | 3,039,240 | 3,950,509
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises |  |
Held-to-maturity Securities, Unrecognized Holding Loss | 734,173 | 240,177
Debt Securities, Held-to-maturity, Fair Value | 10,528,902 | 13,769,212
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises | Less Than 12 Months |  |
Held-to-maturity Securities, Unrecognized Holding Loss | 710,364 | 205,470
Debt Securities, Held-to-maturity, Fair Value | 10,024,319 | 13,266,443
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises | More Than 12 Months |  |
Held-to-maturity Securities, Unrecognized Holding Loss | 23,809 | 34,707
Debt Securities, Held-to-maturity, Fair Value | 504,583 | 502,769
Redeemable Preferred Stock |  |
Held-to-maturity Securities, Unrecognized Holding Loss | 17,500 | 0
Debt Securities, Held-to-maturity, Fair Value | 232,500 |
Redeemable Preferred Stock | Less Than 12 Months |  |
Held-to-maturity Securities, Unrecognized Holding Loss | 17,500 |
Debt Securities, Held-to-maturity, Fair Value | 232,500 |
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 | 3,596,102 | 737,831
Debt Securities, Held-to-maturity, Fair Value | 36,659,648 | 68,596,609
Total unrealized losses | Less Than 12 Months |  |
Held-to-maturity Securities, Unrecognized Holding Loss | 2,607,309 | 353,453
Debt Securities, Held-to-maturity, Fair Value | 33,115,825 | 54,142,931
Total unrealized losses | More Than 12 Months |  |
Held-to-maturity Securities, Unrecognized Holding Loss | 988,793 | 384,378
Debt Securities, Held-to-maturity, Fair Value | 3,543,823 | 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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