2) Investments: Residential Real Estate Investment (Details) - USD ($)		Dec. 31, 2019	Dec. 31, 2018
Real estate held for investment (net of accumulated depreciation of $12,788,739 and $16,739,578 for 2019 and 2018)		$ 102,756,946	$ 121,558,222
Residential Real Estate, Held-for-Investment
Real estate held for investment (net of accumulated depreciation of $12,788,739 and $16,739,578 for 2019 and 2018)		12,530,306	29,507,431
Residential Real Estate, Held-for-Investment | California
Real estate held for investment (net of accumulated depreciation of $12,788,739 and $16,739,578 for 2019 and 2018)		0	2,644,321
Residential Real Estate, Held-for-Investment | Florida
Real estate held for investment (net of accumulated depreciation of $12,788,739 and $16,739,578 for 2019 and 2018)		2,487,723	6,534,277
Residential Real Estate, Held-for-Investment | Nevada
Real estate held for investment (net of accumulated depreciation of $12,788,739 and $16,739,578 for 2019 and 2018)		293,516	0
Residential Real Estate, Held-for-Investment | Ohio
Real estate held for investment (net of accumulated depreciation of $12,788,739 and $16,739,578 for 2019 and 2018)		0	10,000
Residential Real Estate, Held-for-Investment | Oklahoma
Real estate held for investment (net of accumulated depreciation of $12,788,739 and $16,739,578 for 2019 and 2018)		0	0
Residential Real Estate, Held-for-Investment | Tennessee
Real estate held for investment (net of accumulated depreciation of $12,788,739 and $16,739,578 for 2019 and 2018)		0	105,260
Residential Real Estate, Held-for-Investment | Texas
Real estate held for investment (net of accumulated depreciation of $12,788,739 and $16,739,578 for 2019 and 2018)		0	139,174
Residential Real Estate, Held-for-Investment | Utah
Real estate held for investment (net of accumulated depreciation of $12,788,739 and $16,739,578 for 2019 and 2018)	[1]	9,462,886	19,598,218
Residential Real Estate, Held-for-Investment | Washington
Real estate held for investment (net of accumulated depreciation of $12,788,739 and $16,739,578 for 2019 and 2018)		286,181	476,181
Residential Real Estate, Held-for-Sale
Real estate held for investment (net of accumulated depreciation of $12,788,739 and $16,739,578 for 2019 and 2018)		$ 8,021,306	0
Residential Real Estate, Held-for-Sale | California
Real estate held for investment (net of accumulated depreciation of $12,788,739 and $16,739,578 for 2019 and 2018)			640,452
Residential Real Estate, Held-for-Sale | Florida
Real estate held for investment (net of accumulated depreciation of $12,788,739 and $16,739,578 for 2019 and 2018)			1,300,641
Residential Real Estate, Held-for-Sale | Ohio
Real estate held for investment (net of accumulated depreciation of $12,788,739 and $16,739,578 for 2019 and 2018)			10,000
Residential Real Estate, Held-for-Sale | Utah
Real estate held for investment (net of accumulated depreciation of $12,788,739 and $16,739,578 for 2019 and 2018)			5,880,213
Residential Real Estate, Held-for-Sale | Washington
Real estate held for investment (net of accumulated depreciation of $12,788,739 and $16,739,578 for 2019 and 2018)			$ 190,000

[1] Includes subdivision developments