Note 15: Derivatives and Hedging Activities: Schedule of Derivative Instruments in Statement of Financial Position, Fair Value (Details) - USD ($) $ in Thousands	Mar. 31, 2017	Dec. 31, 2016
Total derivatives designated as hedging instruments	$ 32	$ 40
Asset Derivative Fair Value
Total derivatives not designated as hedging instruments	1,361	1,623
Liability Derivative Fair Value
Total derivatives not designated as hedging instruments	1,430	1,699
Prepaid Expenses and Other Current Assets | Asset Derivative Fair Value
Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value	1,361	1,623
Interest Rate Cap | Prepaid Expenses and Other Current Assets
Derivative Asset Designated as Hedging Instrument, Fair Value	$ 32	$ 40