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12) Mortgage Servicing Rights: Schedule of Mortgage Servicing Rights (Details) - USD ($)	Sep. 30, 2018	Dec. 31, 2017
Details
Balance before valuation allowance at beginning of year	$ 21,376,937	$ 18,872,362
MSRs proceeds from loan sales	1,922,230	6,085,352
Amortization	(2,423,262)	(3,580,777)
Application of valuation allowance to write down MSRs with other than temporary impairment	0	0
Balance before valuation allowance at year end	20,875,905	21,376,937
Mortgage servicing rights, net	20,875,905	21,376,937
Estimated fair value of MSRs at end of period	$ 32,327,266	$ 27,427,174

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- Definition

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

+ References

No definition available.

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- Definition

Represents the monetary amount of Application of valuation allowance to write down MSRs with other than temporary impairment, as of the indicated date.

+ References

No definition available.

+ Details

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- Definition

Represents the monetary amount of Balance before valuation allowance at beginning of year, as of the indicated date.

+ References

No definition available.

+ Details

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- Definition

Represents the monetary amount of Balance before valuation allowance at year end, as of the indicated date.

+ References

No definition available.

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Data Type:	xbrli:monetaryItemType
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- Definition

Represents the monetary amount of Estimated fair value of MSRs at end of period, as of the indicated date.

+ References

No definition available.

+ Details

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- Definition

Represents the monetary amount of Mortgage servicing rights, net, as of the indicated date.

+ References

No definition available.

+ Details

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- Definition

Represents the monetary amount of MSRs proceeds from loan sales, as of the indicated date.

+ References

No definition available.

+ Details

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