Note 7: Investments in Limited Partnerships: Investments in Affordable Housing Partnerships Policy (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Details
Investments in Affordable Housing Partnerships Carrying Value, Net	$ 21,800	$ 25,100
Federal Affordable Housing Tax Credits	27,100
Expected Amortization of Investments in Affordable Housing Partnerships	21,000
Usage of Federal Affordable Housing Tax Credits	6,200	6,300	$ 6,000
Actual Amortization of Investments in Affordable Housing Partnerships	$ 4,400	$ 4,900	$ 4,700