8): Fair Value of Financial Instruments: Schedule of Changes in the consolidated balance sheet line items measured using level 3 inputs (Details) - USD ($)	9 Months Ended	12 Months Ended
Sep. 30, 2017	Dec. 31, 2016
Loan Commitments
Fair Value Balance	$ 6,809,332	$ 7,671,495
Fair Value, Losses (Gains) included in earnings	(3,677,554)	(862,163)
Fair Value Balance	3,131,778	6,809,332
Bank Loan Interest Rate Swaps
Fair Value Balance	(3,308)	(13,947)
Fair Value, Losses (Gains) included in other comprehensive income	3,170	10,639
Fair Value Balance	(138)	$ (3,308)
Loans Held for Sale
Fair Value, Purchases	636,022,818
Fair Value, Sales	(473,930,540)
Fair Value, Losses (Gains) included in earnings	4,897,909
Fair Value Balance	$ 166,990,187

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

No definition available.

Represents the monetary amount of FairValueLossesGainsIncludedInEarnings, during the indicated time period.

No definition available.

Name:	fil_FairValueLossesGainsIncludedInEarnings
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Represents the monetary amount of FairValueLossesGainsIncludedInOtherComprehensiveIncome, during the indicated time period.

No definition available.

Name:	fil_FairValueLossesGainsIncludedInOtherComprehensiveIncome
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Represents the monetary amount of FairValuePurchases, during the indicated time period.

No definition available.

Represents the monetary amount of Fair Value, Sales, during the indicated time period.

No definition available.

Name:	fil_Level3InputsAxis=fil_LoanCommitmentsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	fil_Level3InputsAxis=fil_BankLoanInterestRateSwapsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Name:	fil_Level3InputsAxis=fil_LoansHeldForSale1Member
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: