12) Mortgage Servicing Rights: Schedule of Finite-Lived Intangible Assets, Future Amortization Expense, Mortgage Servicing Rights (Details)	Mar. 31, 2019 USD ($)
Details
Finite-Lived Intangible Assets, Amortization Expense, Remainder of Fiscal Year	$ 2,117,384
Finite-Lived Intangible Assets, Amortization Expense, Year Two	2,437,671
Finite-Lived Intangible Assets, Amortization Expense, Year Three	2,103,851
Finite-Lived Intangible Assets, Amortization Expense, Year Four	1,802,199
Finite-Lived Intangible Assets, Amortization Expense, Year Five	1,551,340
Finite-Lived Intangible Assets, Amortization Expense, after Year Five	9,036,568
Finite-Lived Intangible Assets, Accumulated Amortization	$ 19,049,013