3) Investments: Commercial Real Estate Investment (Details)	Sep. 30, 2020 USD ($) Decimal	Dec. 31, 2019 USD ($) Decimal
Real estate held for investment (net of accumulated depreciation)	$ 123,002,683	$ 102,756,946
Real estate held for sale	7,990,181	14,097,627
Commercial Real Estate
Real estate held for investment (net of accumulated depreciation)	$ 97,836,409	$ 90,226,640
Total Square Footage | Decimal	609,365	611,865
Real estate held for sale	$ 4,534,937	$ 6,076,321
Square Footage | Decimal	234,979	239,779
Arizona | Commercial Real Estate
Real estate held for sale	$ 0	$ 2,500
Square Footage | Decimal	0	0
Kansas | Commercial Real Estate
Real estate held for sale	$ 4,000,000	$ 4,800,000
Square Footage | Decimal	222,679	222,679
Mississippi | Commercial Real Estate
Real estate held for investment (net of accumulated depreciation)	$ 2,932,976	$ 2,951,478
Total Square Footage | Decimal	21,521	21,521
Real estate held for sale	$ 234,937	$ 318,322
Square Footage | Decimal	12,300	12,300
Nevada | Commercial Real Estate
Real estate held for sale	$ 0	$ 655,499
Square Footage | Decimal	0	4,800
Texas | Commercial Real Estate
Real estate held for sale	$ 300,000	$ 300,000
Square Footage | Decimal	0	0
Louisiana | Commercial Real Estate
Real estate held for investment (net of accumulated depreciation)	$ 5,889,327	$ 6,009,079
Total Square Footage | Decimal	125,114	125,114
Utah | Commercial Real Estate
Real estate held for investment (net of accumulated depreciation)	$ 89,014,106	$ 81,266,083
Total Square Footage | Decimal	462,730	465,230