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14) Mortgage Servicing Rights: Schedule of Mortgage Servicing Rights Amortization (Details) (USD $)
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2018
Details            
Amortization of Mortgage Servicing Rights (MSRs) $ 346,100 $ 346,100 $ 346,100 $ 346,100 $ 346,100  
Amortization of Mortgage Servicing Rights Thereafter           $ 1,721,921