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Note 1 - General (Details Textual) - USD ($) $ in Thousands		3 Months Ended	9 Months Ended
	Oct. 01, 2024	Sep. 30, 2024	Sep. 30, 2024	Mar. 25, 2024	Dec. 31, 2023	Sep. 30, 2023
Assets		$ 1,450,716	$ 1,450,716		$ 1,419,295
Financing Receivable, before Allowance for Credit Loss		994,720	994,720		969,430	$ 952,499
Deposits		1,253,255	1,253,255		$ 1,233,726
Touchstone Bankshares, Inc [Member]
Assets		660,800	660,800	$ 660,800
Financing Receivable, before Allowance for Credit Loss		492,400	492,400
Deposits		559,100	559,100
Subsequent Event [Member] | Pro Forma [Member]
Assets	$ 2,100,000
Financing Receivable, before Allowance for Credit Loss	1,500,000
Deposits	$ 1,800,000
Touchstone Bankshares, Inc [Member]
Business Combination, Acquisition Related Costs		$ 219	$ 790
Touchstone Bankshares, Inc [Member] | Subsequent Event [Member]
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares)	2,673,640

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