Note 4: Acquired Loans, Loss Sharing Agreements and FDIC Indemnification Assets: Business Combinations Policy: Business Acquisition, Valley Bank Assets Acquired and Liabilities Assumed (Details) - Valley Bank - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Business Combination Loans Acquired		$ 165,100
Discount Recorded in Conjunction with Fair Value of Acquired Loans and Amount Accreted to Yield	$ 794	$ 501