Note 7: Investments in Limited Partnerships: Investments in Affordable Housing Partnerships Policy (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)
Details
Number of Investments in Affordable Housing Partnerships	13	13
Investments in Affordable Housing Partnerships Carrying Value, Net	$ 25,100	$ 29,600
Federal Affordable Housing Tax Credits	32,700
Expected Amortization of Investments in Affordable Housing Partnerships	25,100
Usage of Federal Affordable Housing Tax Credits	6,300	6,000	$ 7,100
Actual Amortization of Investments in Affordable Housing Partnerships	$ 4,900	$ 4,700	$ 5,000