Note 7: Acquired Loans, Loss Sharing Agreements and FDIC Indemnification Assets: Business Combinations Policy (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2017	Mar. 31, 2016
InterBank
Premium recorded in conjunction with fair value of acquired loans and amount amortized to yield	$ 76	$ 98
Valley Bank
Premium recorded in conjunction with fair value of acquired loans and amount amortized to yield	$ 80	$ 148

Represents the monetary amount of Premium recorded in conjunction with fair value of acquired loans and amount amortized to yield, during the indicated time period.

No definition available.

Name:	fil_PremiumRecordedInConjunctionWithFairValueOfAcquiredLoansAndAmountAmortizedToYield
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration