Note 16: Derivatives and Hedging Activities: Agreements with Derivative Counterparties (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Balance Sheet Hedge
Derivative Counterparties Collateral	$ 7,000	$ 30,900
Net liability position | Loan Level Swap | Commercial Lending Customer
Termination Value of Derivatives With Derivative Dealer Counterparties	$ 7,300	1,100
Net asset position | Balance Sheet Hedge
Termination Value of Derivatives With Derivative Dealer Counterparties		$ 30,100