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Note 4: Acquired Loans, Loss Sharing Agreements and FDIC Indemnification Assets: Business Combinations Policy (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Sun Security Bank
Discount Recorded in Conjunction with Fair Value of Acquired Loans and Amount Accreted to Yield	$ 0	$ 0	$ 105
Valley Bank
Discount Recorded in Conjunction with Fair Value of Acquired Loans and Amount Accreted to Yield	$ 491	$ 794	501
Business Combination Loans Acquired			$ 165,100

X

- Definition

Represents the monetary amount of Business Combination Loans Acquired, as of the indicated date.

+ References

No definition available.

+ Details

Name:	fil_BusinessCombinationLoansAcquired
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Represents the monetary amount of Discount Recorded in Conjunction with Fair Value of Acquired Loans and Amount Accreted to Yield, during the indicated time period.

+ References

No definition available.

+ Details

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

X

- Details

Name:	us-gaap_BusinessAcquisitionAxis=fil_SunSecurityBankMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_BusinessAcquisitionAxis=fil_ValleyBankMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: