2) Investments: Gain (Loss) on Investments (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Gains and losses and other than temporary impairments from investments and other assets	$ (3,722,821)	$ (446,745)
Held-to-maturity Securities
Gross Realized Gains	179,182	389,558
Gross Realized Losses	(893,567)	(132,124)
Other than Temporary Impairments	(493,371)	(100,000)
Available-for-sale Securities
Gross Realized Gains	166,950	221,817
Gross Realized Losses	(76,475)	(61,242)
Other than Temporary Impairments	(280,968)	(170,358)
Other Assets
Gross Realized Gains	3,410,076	349,252
Gross Realized Losses	$ (5,734,648)	$ (943,648)