Note 17: Derivatives and Hedging Activities: Derivative Instruments, Gain (Loss) (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Total derivatives designated as hedging instruments	$ 0	$ 40
Asset Derivative Fair Value
Total derivatives not designated as hedging instruments	981	1,623
Liability Derivative Fair Value
Total derivatives not designated as hedging instruments	1,030	1,699
Prepaid Expenses and Other Current Assets | Asset Derivative Fair Value
Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value	981	1,623
Accrued expenses and other liabilities | Liability Derivative Fair Value
Derivative Instruments Not Designated as Hedging Instruments, Liability, at Fair Value	1,030	1,699
Interest Rate Cap | Prepaid Expenses and Other Current Assets
Represents the monetary amount of DerivativeAssetDesignatedAsHedgingInstrumentFairValue1, as of the indicated date.	$ 0	$ 40