Unused Available Lines of Credit	12 Months Ended
Dec. 31, 2017
Debt Disclosure [Abstract]
Unused Available Lines of Credit	Note 8 Unused Available Lines of Credit As of December 31, 2017, the Bank had unsecured lines of credit at correspondent banks to purchase federal funds up to a maximum of $68,000,000 at the following banks: US Bank, $20,000,000; Wells Fargo Bank, $15,000,000; PNC Bank, $12,000,000; Frost National Bank, $10,000,000; JPM Chase Bank, $6,000,000; and UMB Bank $5,000,000. As of December 31, 2017, the Bank had secured lines of credit with the Federal Home Loan Bank (“FHLB”) of $204,789,000 collateralized by commercial mortgage loans. At December 31, 2017, the Company had a line of credit from UMB Bank of $50,000,000 and First Tennessee Bank of $50,000,000 collateralized by state and political subdivision securities. There were no amounts outstanding under any of the lines of credit discussed above at December 31, 2017 or 2016.

The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-URI http://asc.fasb.org/topic&trid=2208564

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