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19) Derivative Instruments: Schedule of Gains and Losses on Derivatives (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019
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Gain (Loss) on Derivatives, Loan Commitments | $ 7,637,377 | $ 899,417
Gain (Loss) on Derivatives, Call and put options | $ 272,758 | $ 626,208

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