Note 8: Other Real Estate Owned: Schedule of Major Classifications of Foreclosed Assets (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Other Real Estate Owned, Net	$ 30,114	$ 32,658
Foreclosed Assets Held For Sale | Subdivision Construction
Foreclosed Assets	6,217	6,360
Foreclosed Assets Held For Sale | Land Development
Foreclosed Assets	10,322	10,886
Foreclosed Assets Held For Sale | One-to-Four-Family Residential
Foreclosed Assets	465	1,217
Foreclosed Assets Held For Sale | Other Residential
Foreclosed Assets		954
Foreclosed Assets Held For Sale | Commercial Real Estate
Foreclosed Assets	2,275	3,841
Foreclosed Assets Held For Sale | Consumer
Foreclosed Assets	2,506	1,991
Foreclosed Assets Held For Sale | Foreclosed Assets Before FDIC Supported Foreclosed Assets
Foreclosed Assets	21,785	25,249
Foreclosed Assets Held For Sale | FDIC Supported Foreclosed Assets Net of Discounts
Foreclosed Assets		1,426
Foreclosed Assets Held For Sale | Acquired Foreclosed Assets No Longer Covered by FDIC Loss Sharing Agreements Net of Discounts
Foreclosed Assets	4,151	316
Foreclosed Assets Held For Sale | Acquired Loans Not Covered By FDIC Loss Sharing Agreements Net Of Discounts
Foreclosed Assets	1,938	1,952
Foreclosed Assets Held For Sale, Net
Foreclosed Assets	27,874	28,943
Other Real Estate Owned Not Acquired Through Foreclosure
Other Real Estate Owned, Net	$ 2,240	$ 3,715