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Note 6: Premises and Equipment: Property, Plant and Equipment (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Details    
Land $ 40,508 $ 42,312
Buildings and improvements 95,039 97,464
Furniture, fixtures and equipment 54,327 53,841
Property, Plant and Equipment, Gross 189,874 193,617
Less accumulated depreciation 57,450 55,599
Premises and equipment, net $ 132,424 $ 138,018