3) Investments: Investments Classified by Contractual Maturity Date (Details) - USD ($)	Sep. 30, 2016	Dec. 31, 2015
AmortizedCost	$ 185,679,930	$ 145,558,425
HeldToMaturitySecuritiesEstimatedFairValue	199,596,415	150,507,158
Available-for-sale Securities, Amortized Cost Basis	10,940,465
AvailableForSaleSecuritiesEstimatedFairValue	10,145,395
Collateralized Mortgage Backed Securities
AmortizedCost	11,472,643	5,091,887
HeldToMaturitySecuritiesEstimatedFairValue	11,772,027	5,207,174
Redeemable Preferred Stock
AmortizedCost	623,635	612,023
HeldToMaturitySecuritiesEstimatedFairValue	676,187	$ 641,698
Common Stock
Available-for-sale Securities, Amortized Cost Basis	10,940,465
AvailableForSaleSecuritiesEstimatedFairValue	10,145,395
DueIn2016Member
AmortizedCost	1,200,208
HeldToMaturitySecuritiesEstimatedFairValue	1,202,710
DueIn2017Through2020Member
AmortizedCost	41,412,637
HeldToMaturitySecuritiesEstimatedFairValue	43,902,597
DueIn2021Through2025Member
AmortizedCost	38,495,506
HeldToMaturitySecuritiesEstimatedFairValue	41,406,480
DueAfter2025Member
AmortizedCost	92,475,301
HeldToMaturitySecuritiesEstimatedFairValue	$ 100,636,414

Represents the monetary amount of AvailableForSaleSecuritiesEstimatedFairValue, as of the indicated date.

No definition available.

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Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Represents the monetary amount of HeldToMaturitySecuritiesEstimatedFairValue, as of the indicated date.

+ References

No definition available.

+ Details

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Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.2)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount before other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity.

+ References

No definition available.

+ Details

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Data Type:	xbrli:monetaryItemType
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- Details

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- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=us-gaap_CommonStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	fil_ContractualMaturityAxis=fil_DueIn2016Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	fil_ContractualMaturityAxis=fil_DueIn2017Through2020Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	fil_ContractualMaturityAxis=fil_DueIn2021Through2025Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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