21) Mortgage Servicing Rights: Schedule of Mortgage Servicing Rights (Details) - USD ($)		Dec. 31, 2020	Dec. 31, 2019
Text Block [Abstract]
Balance before valuation allowance at beginning of year		$ 17,155,529	$ 20,016,822
MSR additions resulting from loan sales		29,896,465	4,194,502
Amortization	[1]	(11,841,478)	(7,055,795)
Application of valuation allowance to write down MSRs with other than temporary impairment		0	0
Balance before valuation allowance at year end		35,210,516	17,155,529
Mortgage servicing rights, net		35,210,516	17,155,529
Estimated fair value of MSRs at end of period		$ 38,702,358	$ 22,784,571

[1] Included in other expenses on the consolidated statements of earnings