3) Investments: Available-for-sale Securities (Details) - USD ($)	3 Months Ended	12 Months Ended
Sep. 30, 2016	Dec. 31, 2015
Available-for-sale Securities, Amortized Cost Basis	$ 10,940,465
AvailableForSaleSecuritiesEstimatedFairValue	10,145,395
Mortgage loans on real estate and construction	129,873,757	$ 112,546,905
Mortgage loans on real estate and construction, allowance for losses	(2,231,362)	(1,848,120)
Real estate held for investment, net of depreciation	131,881,535	114,852,432
Loans held for sale policy loans	6,858,019	6,896,457
Loans held for sale insurance assignments	32,400,740	32,369,014
Loans held for sale promissory notes	48,797	48,797
Other investments at estimated fair value	1,780,389	1,174,769
Loans held for sale allowance for doubtful accounts	(1,106,374)	(906,616)
Total policy loans and other investments	39,981,571	39,582,421
Short-term investments at amortized cost	28,467,741	16,915,808
Residential Mortgage
Mortgage loans on real estate and construction	50,346,379	46,020,490
Residential Construction
Mortgage loans on real estate and construction	42,011,069	34,851,557
Commercial Loan
Mortgage loans on real estate and construction	39,747,671	33,522,978
Common Stock
Available-for-sale Securities, Amortized Cost Basis	10,940,465
AvailableForSaleSecuritiesEstimatedFairValue	10,145,395
Industrial, miscellaneous and all other equity securities
Available-for-sale Securities, Amortized Cost Basis	10,940,465	9,891,500
Available-for-sale Securities, Gross Unrealized Gain	341,488	213,683
AvailableForSaleSecuritiesGrossUnrealizedLosses	(1,136,558)	(1,674,093)
AvailableForSaleSecuritiesEstimatedFairValue	10,145,395	8,431,090
Equity Securities
Available-for-sale Securities, Amortized Cost Basis	10,940,465	9,891,500
Available-for-sale Securities, Gross Unrealized Gain	341,488	213,683
AvailableForSaleSecuritiesGrossUnrealizedLosses	(1,136,558)	(1,674,093)
AvailableForSaleSecuritiesEstimatedFairValue	$ 10,145,395	$ 8,431,090

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

No definition available.

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

- Definition

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

+ References

No definition available.

+ Details

Name:	fil_AvailableForSaleSecuritiesGrossUnrealizedLosses2
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Represents the monetary amount of Loans held for sale allowance for doubtful accounts, as of the indicated date.

+ References

No definition available.

+ Details

Name:	fil_LoansHeldForSaleAllowanceForDoubtfulAccounts
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Represents the monetary amount of Loans held for sale insurance assignments, as of the indicated date.

+ References

No definition available.

+ Details

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

- Definition

Represents the monetary amount of Loans held for sale policy loans, as of the indicated date.

+ References

No definition available.

+ Details

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

- Definition

Represents the monetary amount of Loans held for sale promissory notes, as of the indicated date.

+ References

No definition available.

+ Details

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

- Definition

Represents the monetary amount of Mortgage loans on real estate and construction, as of the indicated date.

+ References

No definition available.

+ Details

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

- Definition

Represents the monetary amount of Mortgage loans on real estate and construction, allowance for losses, as of the indicated date.

+ References

No definition available.

+ Details

Name:	fil_MortgageLoansOnRealEstateAndConstructionAllowanceForLosses
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Represents the monetary amount of Short-term investments at amortized cost, as of the indicated date.

+ References

No definition available.

+ Details

Name:	fil_ShortTermInvestmentsAtAmortizedCost
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

Name:	us-gaap_AvailableForSaleSecuritiesAmortizedCost
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of unrealized gain before deducting unrealized loss on investments in debt and equity securities classified as available-for-sale 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 (b)
-URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27161-111563

+ Details

Name:	us-gaap_AvailableForSaleSecuritiesGrossUnrealizedGains
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Amount, after allowance for bad debt, of loan receivables held-for-sale that are not part of a disposal group. Excludes loans and leases covered under loss sharing agreements and loans classified as debt securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=65884687&loc=d3e4428-111522

+ Details

Name:	us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroup
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount, after allowance for bad debt, of other loan receivables held-for-sale that are not part of a disposal group. Excludes loans and leases covered under loss sharing agreements and loans classified as debt securities.

+ References

+ Details

Name:	us-gaap_LoansReceivableHeldForSaleNetNotPartOfDisposalGroupOther
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Amount of real estate investments, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; (7) other real estate investments; (8) real estate joint ventures; and (9) unconsolidated real estate and other joint ventures not separately presented.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.1(d))
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

+ Details

Name:	us-gaap_RealEstateInvestments
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_ResidentialMortgageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=fil_ResidentialConstructionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_CommercialLoanMember
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:	us-gaap_MajorTypesOfDebtAndEquitySecuritiesAxis=fil_IndustrialMiscellaneousAndAllOtherEquitySecuritiesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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