2) Investments: Schedule of Unrealized Loss on Investments (Details)	12 Months Ended
Dec. 31, 2017 USD ($)	Dec. 31, 2016 USD ($)
Held-to-maturity Securities, Unrecognized Holding Loss	$ 1,820,262	$ 4,207,244
Held-to-maturity Securities, Fair Value	83,639,680	64,910,462
Available For Sale Securities Fair Value	2,176,931	3,749,018
US Treasury and Government
Held-to-maturity Securities, Unrecognized Holding Loss	579,423	66,111
Held-to-maturity Securities, Fair Value	52,250,079	1,342,088
US States and Political Subdivisions Debt Securities
Held-to-maturity Securities, Unrecognized Holding Loss	71,013	133,249
Held-to-maturity Securities, Fair Value	2,439,903	3,686,856
Corporate Debt Securities
Held-to-maturity Securities, Unrecognized Holding Loss	1,007,504	3,727,013
Held-to-maturity Securities, Fair Value	24,745,123	54,765,151
Collateralized Mortgage Backed Securities
Held-to-maturity Securities, Unrecognized Holding Loss	162,131	280,871
Held-to-maturity Securities, Fair Value	4,193,154	5,116,367
Redeemable Preferred Stock
Held-to-maturity Securities, Unrecognized Holding Loss	191
Held-to-maturity Securities, Fair Value	11,421
Industrial, miscellaneous and all other equity securities
Available-for-sale Debt Securities, Gross Unrealized Loss	632,669	859,092
Equity Securities
Available-for-sale Debt Securities, Gross Unrealized Loss	632,669	859,092
Less than 12 months
Held-to-maturity Securities, Unrecognized Holding Loss	757,039	2,104,387
Held-to-maturity Securities, Fair Value	65,901,527	51,001,049
Available For Sale Securities Fair Value	847,718	2,063,144
Less than 12 months \| US Treasury and Government
Held-to-maturity Securities, Unrecognized Holding Loss	532,010	66,111
Held-to-maturity Securities, Fair Value	51,606,699	1,342,088
Less than 12 months \| US States and Political Subdivisions Debt Securities
Held-to-maturity Securities, Unrecognized Holding Loss	296	133,249
Held-to-maturity Securities, Fair Value	214,882	3,686,856
Less than 12 months \| Corporate Debt Securities
Held-to-maturity Securities, Unrecognized Holding Loss	167,786	1,728,312
Held-to-maturity Securities, Fair Value	11,551,865	41,796,016
Less than 12 months \| Collateralized Mortgage Backed Securities
Held-to-maturity Securities, Unrecognized Holding Loss	56,756	176,715
Held-to-maturity Securities, Fair Value	2,516,660	4,176,089
Less than 12 months \| Redeemable Preferred Stock
Held-to-maturity Securities, Unrecognized Holding Loss	191
Held-to-maturity Securities, Fair Value	11,421
Less than 12 months \| Industrial, miscellaneous and all other equity securities
Available-for-sale Debt Securities, Gross Unrealized Loss	$ 213,097	$ 215,563
No. of Investment Positions	98	124
Less than 12 months \| Equity Securities
Available-for-sale Debt Securities, Gross Unrealized Loss	$ 213,097	$ 215,563
No. of Investment Positions	98	124
More than 12 months
Held-to-maturity Securities, Unrecognized Holding Loss	$ 1,063,223	$ 2,102,857
Held-to-maturity Securities, Fair Value	17,738,153	13,909,413
Available For Sale Securities Fair Value	1,329,213	1,685,874
More than 12 months \| US Treasury and Government
Held-to-maturity Securities, Unrecognized Holding Loss	47,413
Held-to-maturity Securities, Fair Value	643,380
More than 12 months \| US States and Political Subdivisions Debt Securities
Held-to-maturity Securities, Unrecognized Holding Loss	70,717
Held-to-maturity Securities, Fair Value	2,225,021
More than 12 months \| Corporate Debt Securities
Held-to-maturity Securities, Unrecognized Holding Loss	839,718	1,998,701
Held-to-maturity Securities, Fair Value	13,193,258	12,969,135
More than 12 months \| Collateralized Mortgage Backed Securities
Held-to-maturity Securities, Unrecognized Holding Loss	105,375	104,156
Held-to-maturity Securities, Fair Value	1,676,494	940,278
More than 12 months \| Industrial, miscellaneous and all other equity securities
Available-for-sale Debt Securities, Gross Unrealized Loss	$ 419,572	$ 643,529
No. of Investment Positions	81	104
More than 12 months \| Equity Securities
Available-for-sale Debt Securities, Gross Unrealized Loss	$ 419,572	$ 643,529
No. of Investment Positions	81	104

Represents the monetary amount of Available For Sale Securities Fair Value, as of the indicated date.

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+ References

No definition available.

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Amount of unrealized loss before deducting unrealized gain on investments in available-for-sale debt securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27161-111563

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Fair value of investments in debt securities classified as held-to-maturity.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (aa)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27232-111563

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (f)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27232-111563

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 5
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=82897076&loc=d3e27232-111563

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Amount of unrecognized loss before gain on investments in held-to-maturity securities. Excludes write-down for other than temporary impairment (OTTI).

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