Note 3: Securities: Other Securities Policy: Pooled Trust Preferred Securities (Details) $ / shares in Units, $ in Thousands	Dec. 31, 2017 USD ($) $ / shares
Details
Number of Pooled Trust Preferred Securities \| $ / shares	$ 3
Fair Value of Pooled Trust Preferred Securities Held	$ 943
Unrealized Losses on Pooled Trust Preferred Securities in a Continuous Unrealized Loss Position for 12 Months or More	$ 465

Represents the monetary amount of Unrealized Losses on Pooled Trust Preferred Securities in a Continuous Unrealized Loss Position for 12 Months or More, as of the indicated date.

No definition available.

Name:	fil_UnrealizedLossesOnPooledTrustPreferredSecuritiesInAContinuousUnrealizedLossPositionFor12MonthsOrMore
Namespace Prefix:	fil_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant