NOTE 5: INVESTMENT SECURITIES: Investment, Policy (Details) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Details
Fair Value of Debt Securities Reported Less Than Their Historical Cost	$ 117,500	$ 89,700
Debt Securities Reported Less Than Their Historical Cost Percent of Investment Portfolio	61.40%	50.00%

Represents the Debt Securities Reported Less Than Their Historical Cost Percent of Investment Portfolio, as of the indicated date.

No definition available.

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Namespace Prefix:	fil_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant