Note 7: Investments in Limited Partnerships: Investments in Community Development Entities Policy (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Details
Number of Investments in Community Development Entities	4	4
Investments in Community Development Entities Net Carrying Amount	$ 5,100	$ 6,800
Community Development Federal New Market Tax Credits	7,100
Expected Amortization of Investment in Community Development Entities	5,000
Usage of Investment in Community Development Entities Federal New Market Tax Credits	2,300	2,300	1,700
Actual Amortization of Investment in Community Development Entities	$ 1,700	$ 1,600	$ 1,100