12) Mortgage Servicing Rights: Schedule of Finite-Lived Intangible Assets, Future Amortization Expense, Mortgage Servicing Rights (Details)	Jun. 30, 2020 USD ($)
Text Block [Abstract]
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year	$ 3,370,190
Finite-Lived Intangible Assets, Amortization Expense, Year Two	2,535,104
Finite-Lived Intangible Assets, Amortization Expense, Year Three	1,999,989
Finite-Lived Intangible Assets, Amortization Expense, Year Four	1,608,753
Finite-Lived Intangible Assets, Amortization Expense, Year Five	1,317,529
Finite-Lived Intangible Assets, Amortization Expense, after Year Five	10,863,558
Finite-Lived Intangible Assets, Accumulated Amortization	$ 21,695,123