3) Investments: Schedule of Allowance for loan losses as a contra-asset account (Details) - USD ($)	6 Months Ended	12 Months Ended
	Jun. 30, 2018	Dec. 31, 2017
Financing Receivable, Allowance for Credit Losses, Beginning Balance	$ 1,768,796	$ 1,748,783
Allowance for credit losses, Charge-offs	(5,725)	(416,251)
Allowance for credit losses, Provision	(199,407)	436,264
Financing Receivable, Allowance for Credit Losses, Ending Balance	1,563,664	1,768,796
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	240,152	237,560
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	1,323,512	1,531,236
Mortgage loans	196,103,652	207,639,509
Financing Receivable, Individually Evaluated for Impairment	5,597,605	5,385,386
Financing Receivable, Collectively Evaluated for Impairment	190,506,047	202,254,123
Commercial Loan
Financing Receivable, Allowance for Credit Losses, Beginning Balance	187,129	187,129
Financing Receivable, Allowance for Credit Losses, Ending Balance	187,129	187,129
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	187,129	187,129
Mortgage loans	44,682,145	54,954,865
Financing Receivable, Collectively Evaluated for Impairment	44,682,145	54,954,865
Residential Mortgage
Financing Receivable, Allowance for Credit Losses, Beginning Balance	1,546,447	1,461,540
Allowance for credit losses, Charge-offs	(5,725)	(351,357)
Allowance for credit losses, Provision	(199,407)	436,264
Financing Receivable, Allowance for Credit Losses, Ending Balance	1,341,315	1,546,447
Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment	240,152	237,560
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	1,101,163	1,308,887
Mortgage loans	87,960,136	102,527,111
Financing Receivable, Individually Evaluated for Impairment	4,475,326	4,923,552
Financing Receivable, Collectively Evaluated for Impairment	83,484,810	97,603,559
Residential Construction
Financing Receivable, Allowance for Credit Losses, Beginning Balance	35,220	100,114
Allowance for credit losses, Charge-offs		(64,894)
Financing Receivable, Allowance for Credit Losses, Ending Balance	35,220	35,220
Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment	35,220	35,220
Mortgage loans	63,461,371	50,157,533
Financing Receivable, Individually Evaluated for Impairment	1,122,279	461,834
Financing Receivable, Collectively Evaluated for Impairment	$ 62,339,092	$ 49,695,699