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Note 3 - Loans and Allowance for Credit Losses - Activity in Allowance for Loan Losses and the Recorded Investments in Loans (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Balance	$ 56,666	$ 51,638	$ 54,454	$ 49,914
Financing Receivable, Credit Loss, Expense (Reversal)	1,600	3,500	3,700	4,800
Charge-offs	(38)	(26)	(101)	(41)
Recoveries	147	296	322	735
Balance	58,375	55,408	58,375	55,408
Commercial Portfolio Segment [Member]
Charge-offs			(11)	(6)
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Balance	11,798	9,178	11,165	7,441
Financing Receivable, Credit Loss, Expense (Reversal)	(39)	4,010	559	5,476
Charge-offs	(11)	0	(11)	(6)
Recoveries	23	27	58	304
Balance	11,771	13,215	11,771	13,215
Commercial Portfolio Segment [Member] | Vacant Land and Land Development and Residential Construction Loan [Member]
Balance	386	387	367	384
Financing Receivable, Credit Loss, Expense (Reversal)	0	4	18	6
Charge-offs	0	0	0	0
Recoveries	1	2	2	3
Balance	387	393	387	393
Commercial Portfolio Segment [Member] | Real Estate Owner Occupied Loan [Member]
Balance	7,679	7,092	7,671	7,186
Financing Receivable, Credit Loss, Expense (Reversal)	11	(4)	17	(155)
Charge-offs	0	0	0	0
Recoveries	1	102	3	159
Balance	7,691	7,190	7,691	7,190
Commercial Portfolio Segment [Member] | Real Estate Non Owner Occupied Loan [Member]
Balance	11,946	10,141	10,919	9,852
Financing Receivable, Credit Loss, Expense (Reversal)	1,854	108	2,881	397
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Balance	13,800	10,249	13,800	10,249
Commercial Portfolio Segment [Member] | Real Estate Multi Family and Residential Rental Loan [Member]
Balance	3,878	3,420	3,667	3,184
Financing Receivable, Credit Loss, Expense (Reversal)	416	165	622	397
Charge-offs	0	0	0	0
Recoveries	3	4	8	8
Balance	4,297	3,589	4,297	3,589
Retail Portfolio Segment [Member]
Charge-offs			(90)	(35)
Retail Portfolio Segment [Member] | One to Four Family Mortgages [Member]
Balance	18,874	18,580	18,702	18,986
Financing Receivable, Credit Loss, Expense (Reversal)	(989)	(93)	(803)	(569)
Charge-offs	(25)	0	(86)	0
Recoveries	105	26	152	96
Balance	17,965	18,513	17,965	18,513
Retail Portfolio Segment [Member] | Other Consumer Loans [Member]
Balance	2,102	2,825	1,936	2,881
Financing Receivable, Credit Loss, Expense (Reversal)	207	(684)	290	(761)
Charge-offs	(2)	(26)	(4)	(35)
Recoveries	14	135	99	165
Balance	2,321	2,250	2,321	2,250
Unallocated Financing Receivables [Member]
Balance	3	15	27	0
Financing Receivable, Credit Loss, Expense (Reversal)	140	(6)	116	9
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Balance	$ 143	$ 9	$ 143	$ 9

X

- Definition

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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Amount of increase in allowance for credit loss on financing receivable from recovery.

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