3) Investments: Residential Real Estate Held for Investment (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018
Impairment losses on residential real estate held for investment	$ 125,980	$ 0	$ 125,980	$ 147,925
Residential Real Estate
Foreclosed Residential Real Estate included in Residential Real Estate Held for Investment	$ 16,073,000		$ 16,073,000		$ 23,532,000