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Locations that provide banking services.

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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The charge against earnings in the period to reduce the carrying amount of real property to fair value.

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Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process.

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Carrying amount of other real estate not separately disclosed, including, but not limited to, real estate investments, real estate loans that qualify as investments in real estate, and premises that are no longer used in operations may also be included in real estate owned. This does not include real estate assets taken in settlement of troubled loans through surrender or foreclosure.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Fair value of an asset representing net future revenue from contractually specified servicing fees, late charges, and other ancillary revenues, in excess of future costs related to servicing arrangements.

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Number of shares of stock issued during the period pursuant to acquisitions.

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Note 1 - Summary of Significant Accounting Policies (Details Textual)		12 Months Ended
	Dec. 01, 2022 USD ($) shares	Dec. 31, 2022 USD ($) shares	Dec. 31, 2021 USD ($) shares
Number of Branches		22
Servicing Asset at Fair Value, Amount, Ending Balance		$ 94,800,000	$ 105,900,000
Goodwill, Impairment Loss		0	0
Mortgage Loans in Process of Foreclosure, Amount		68,000	1,000,000.0
Other Real Estate, Ending Balance		5,821,000	6,992,000
Impairment of Real Estate		$ 1,200,000	$ 0
Treasury Stock, Shares, Total (in shares) \| shares		1,671,231	1,441,811
Treasury Stock, Shares, Acquired (in shares) \| shares		229,420	512,449
Commercial Real Estate Portfolio Segment [Member]
Other Real Estate, Ending Balance		$ 5,800,000	$ 7,000,000.0
Residential Portfolio Segment [Member]
Other Real Estate, Ending Balance		$ 28,000
Core Deposits [Member]
Finite-Lived Intangible Asset, Useful Life (Year)		10 years
Furniture and Fixtures [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)		3 years
Furniture and Fixtures [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)		20 years
Building and Building Improvements [Member] \| Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)		3 years
Building and Building Improvements [Member] \| Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)		40 years
LBSI Insurance, LLC [Member]
Business Acquisition, Percentage of Voting Interests Acquired		100.00%
Liberty Bancshares Inc [Member]
Business Acquisition, Percentage of Voting Interests Acquired	100.00%
Number of Branches	6
Business Combination, Amount Shares Issued to Acquiree's Shareholders Per Share (in shares) \| shares	2.752
Stock Issued During Period, Shares, Acquisitions (in shares) \| shares	2,600,000
Business Combination, Consideration Transferred, Total	$ 73,265,000
Goodwill, Impairment Loss		$ 0
Liberty Bancshares Inc [Member] \| Core Deposits [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	10 years