Note 4: Value of Business Acquired: Net amortization charged to income (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Details
Value of business acquired - net amortization charged to income	$ 873,000	$ 947,000	$ 1,037,000	$ 1,115,000	$ 1,199,000	$ 1,277,126	$ 1,302,646