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12) Mortgage Servicing Rights: Summary of Unpaid Principal Balances of the Servicing Portfolio (Details) - USD ($)	Mar. 31, 2018	Dec. 31, 2017
Details
Servicing Unpaid Principal Balance	$ 2,941,337,111	$ 2,924,868,843

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- Definition

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

+ References

No definition available.

+ Details

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

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- References

No definition available.

+ Details

Name:	us-gaap_TextBlockAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration