3) Investments: Schedule of Allowance for loan losses as a contra-asset account (Details) - USD ($)	3 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Financing Receivable, Allowance for Credit Loss	$ 2,005,127	$ 1,453,037
Allowance for credit losses, Charge-offs	0	0
Allowance for Credit Losses, Provision	107,972	552,090
Financing Receivable, Allowance for Credit Loss	1,897,155	2,005,127
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	207,578	219,905
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	1,689,577	1,785,222
Mortgage loans	248,782,401	253,771,091
Financing Receivable, Individually Evaluated for Impairment	5,705,410	10,282,470
Financing Receivable, Collectively Evaluated for Impairment	243,076,991	243,488,621
Commercial Loan
Financing Receivable, Allowance for Credit Loss	187,129	187,129
Allowance for credit losses, Charge-offs	0	0
Allowance for Credit Losses, Provision	0	0
Financing Receivable, Allowance for Credit Loss	187,129	187,129
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	187,129	187,129
Mortgage loans	55,065,455	46,836,866
Financing Receivable, Individually Evaluated for Impairment	1,068,365	2,148,827
Financing Receivable, Collectively Evaluated for Impairment	53,997,090	44,688,039
Residential Mortgage
Financing Receivable, Allowance for Credit Loss	1,774,796	1,222,706
Allowance for credit losses, Charge-offs	0	0
Allowance for Credit Losses, Provision	107,972	552,090
Financing Receivable, Allowance for Credit Loss	1,666,824	1,774,796
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	207,578	219,905
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	1,459,246	1,554,891
Mortgage loans	88,266,355	111,111,777
Financing Receivable, Individually Evaluated for Impairment	4,436,082	7,932,680
Financing Receivable, Collectively Evaluated for Impairment	83,830,273	103,179,097
Residential construction
Financing Receivable, Allowance for Credit Loss	43,202	43,202
Allowance for credit losses, Charge-offs	0	0
Allowance for Credit Losses, Provision	0	0
Financing Receivable, Allowance for Credit Loss	43,202	43,202
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	0	0
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	43,202	43,202
Mortgage loans	105,450,591	95,822,448
Financing Receivable, Individually Evaluated for Impairment	200,963	200,963
Financing Receivable, Collectively Evaluated for Impairment	$ 105,249,628	$ 95,621,485