3) Investments: Schedule of Major categories of net investment income (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Gross investment income	$ 12,106,535	$ 11,234,882	$ 35,942,131	$ 32,637,240
Investment Income, Investment Expense	(3,745,069)	(3,145,025)	(10,383,018)	(9,152,960)
Net Investment Income	8,361,466	8,089,857	25,559,113	23,484,280
Fixed Maturities
Gross investment income	2,692,586	2,410,641	7,475,156	6,472,847
Equity Securities
Gross investment income	66,320	78,402	209,517	208,696
Mortgage Loans - Real Estate
Gross investment income	2,973,349	2,830,853	8,803,257	8,238,249
Real Estate
Gross investment income	2,818,672	2,736,301	8,540,756	8,162,574
PolicyStudentAndOtherLoansMember
Gross investment income	195,098	205,537	621,854	558,778
Insurance Assignments
Gross investment income	3,234,520	2,952,170	9,943,561	8,915,654
Other investments
Gross investment income	16,051		36,041	13,962
Short-term investments, principally gains on sale of mortgage loans
Gross investment income	$ 109,939	$ 20,978	$ 311,989	$ 66,480