19) Derivative Instruments: Schedule of Derivative Assets at Fair Value (Details) - USD ($)	Dec. 31, 2020	Dec. 31, 2019
Loan Commitments
Derivative, Notional Amount	$ 659,245,038	$ 224,202,514
Derivative Asset, Notional Amount	12,592,672	2,722,580
Derivative Liability, Notional Amount	2,464,062	231,347
Call Options
Derivative, Notional Amount	1,873,200	1,813,500
Derivative Asset, Notional Amount	0	0
Derivative Liability, Notional Amount	43,097	62,265
Put Options
Derivative, Notional Amount	0	1,573,100
Derivative Asset, Notional Amount	0	0
Derivative Liability, Notional Amount	0	22,282
Net Derivatives Loan Commitments
Derivative, Notional Amount	661,118,238	227,589,114
Derivative Asset, Notional Amount	12,592,672	2,722,580
Derivative Liability, Notional Amount	$ 2,507,159	$ 315,894