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3) Investments: Investments Classified by Contractual Maturity Date (Details) - USD ($)	Sep. 30, 2020	Dec. 31, 2019
Amortized Cost	$ 319,641,394
Held to maturity securities, Estimated fair value	344,917,387
Due in 1 year
Amortized Cost	50,670,550
Held to maturity securities, Estimated fair value	51,171,942
Due in 2-5 years
Amortized Cost	74,293,341
Held to maturity securities, Estimated fair value	77,094,479
Due in 5-10 years
Amortized Cost	85,128,399
Held to maturity securities, Estimated fair value	92,517,720
Due in more than 10 years
Amortized Cost	77,392,080
Held to maturity securities, Estimated fair value	91,191,293
Mortgage-backed Securities, Issued by US Government Sponsored Enterprises
Amortized Cost	31,887,810	$ 31,475,280
Held to maturity securities, Estimated fair value	32,701,709	31,832,498
Redeemable Preferred Stock
Amortized Cost	269,214	364,339
Held to maturity securities, Estimated fair value	$ 240,244	$ 364,339

X

- Definition

Represents the monetary amount of Held to maturity securities, Estimated fair value, as of the indicated date.

+ References

No definition available.

+ Details

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X

- Definition

Amount, before other-than-temporary impairment (OTTI) accretion, of investment in debt securities measured at amortized cost (held-to-maturity).

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

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