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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 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. + Details
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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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Namespace Prefix: | fil_
Data Type: | xbrli:monetaryItemType
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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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Namespace Prefix: | fil_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
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