17) Fair Value of Financial Instruments: Schedule of Changes in the consolidated balance sheet line items measured using level 3 inputs (Details) - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Net Derivatives Loan Commitments
Fair Value Balance	$ 1,591,816	$ 1,996,589	$ 6,809,332
Fair Value, Gains (Losses) included in earnings	(404,773)	(4,812,743)
Fair Value, Losses (Gains) included in other comprehensive income		0
Loans Held For Sale
Fair Value Balance	136,210,853	133,414,188	0
Originations	2,194,607,543	1,233,683,666
Sales	(2,259,145,473)	(1,151,031,388)
Fair Value, Gains (Losses) included in earnings	$ 78,162,392	50,761,910
Fair Value, Losses (Gains) included in other comprehensive income		0
Bank Loan Interest Rate Swaps
Fair Value Balance		0	$ (3,308)
Fair Value, Gains (Losses) included in earnings		0
Fair Value, Losses (Gains) included in other comprehensive income		$ 3,308