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8): Fair Value of Financial Instruments: Schedule of Changes in the consolidated balance sheet line items measured using level 3 inputs (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2018 | Dec. 31, 2017
Loan Commitments |  |
Fair Value Balance | $ 1,996,589 | $ 6,809,332
Fair Value, Losses (Gains) included in earnings | 440,958 | (4,812,743)
Fair Value Balance | 2,437,547 | 1,996,589
Loans Held for Sale |  |
Fair Value Balance | 133,414,188 |
Fair Value, Originations | 479,953,484 | 1,233,683,666
Fair Value, Sales | (505,586,040) | (1,151,031,388)
Fair Value, Transfer to mortgage loans held for investment | (139,464) |
Fair Value, Losses (Gains) included in earnings | 17,224,145 | 50,761,910
Fair Value Balance | $ 124,866,313 | 133,414,188
Bank Loan Interest Rate Swaps |  |
Fair Value Balance |  | (3,308)
Fair Value, Losses (Gains) included in other comprehensive income |  | $ 3,308

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- Definition Represents the monetary amount of FairValueLossesGainsIncludedInEarnings, during the indicated time period. + References No definition available. + Details
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- Definition Represents the monetary amount of Fair Value, Originations, during the indicated time period. + References No definition available. + Details
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- Definition Represents the monetary amount of Fair Value, Transfer to mortgage loans held for investment, during the indicated time period. + References No definition available. + Details
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Namespace Prefix: | fil_
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- Details
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Namespace Prefix: |
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Balance Type: |
Period Type: |

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- Details
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Period Type: |

X
- Details
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Period Type: |