Note 16: Derivatives and Hedging Activities: Schedule of Derivative Instruments in Statement of Financial Position, Fair Value (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Derivatives Designated as Hedging Instruments, Total	$ 30,056	$ 12,106
Derivatives Not Designated as Hedging Instruments Assets, Total	1,420	694
Derivatives Not Designated as Hedging Instruments Liabilities, Total	1,547	716
Prepaid Expenses and Other Current Assets | Interest Rate Swap
Derivatives Designated as Hedging Instruments	30,056	12,106
Interest rate products	1,420	694
Interest rate products	$ 1,547	$ 716