Note 15: Disclosures About Fair Value of Financial Instruments: Subordinated Debentures Issued To Capital Trusts (Policies)	12 Months Ended
Dec. 31, 2017
Policies
Subordinated Debentures Issued To Capital Trusts	Subordinated Debentures Issued to Capital Trusts The subordinated debentures have floating rates that reset quarterly. The carrying amount of these debentures approximates their fair value.

Represents the textual narrative disclosure of Subordinated Debentures Issued To Capital Trusts, during the indicated time period.

No definition available.

Name:	fil_SubordinatedDebenturesPolicyTextBlock
Namespace Prefix:	fil_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration