Note 16: Derivatives and Hedging Activities: Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Amount of Gain (Loss) Recognized in Accumulated Other Comprehensive Income \| Interest Rate Swap
Effect of derivative instruments on the statements of comprehensive income	$ (1,564)	$ 8,528	$ 9,852	$ 14,328

Represents the monetary amount of Effect of derivative instruments on the statements of comprehensive income, during the indicated time period.

No definition available.

Name:	fil_EffectOfDerivativeInstrumentsOnTheStatementsOfComprehensiveIncome
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration