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Note 4 - Loans and Allowance for Credit Losses - Loans - Allowance for Loan Losses (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Beginning balance	$ 41,903	$ 41,076	$ 32,912	[1]
Provision/(reversal) for credit losses	9,768	3,878	6,027
Less loans charged-off	(4,083)	(3,194)	(256)
Recoveries on loans charged-off	141	143	258
Ending balance	47,729	41,903	41,076
Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Beginning balance	0	0	2,135
Ending balance		0	0
Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Beginning balance	41,903	41,076	35,047
Ending balance		41,903	41,076
Construction And Land Development Loans [Member]
Beginning balance	1,219	2,638	4,150
Provision/(reversal) for credit losses	5,982	(1,279)	(1,826)
Less loans charged-off	(1,148)	(140)	0
Recoveries on loans charged-off	0	0	0
Ending balance	6,053	1,219	2,638
Construction And Land Development Loans [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Beginning balance			314
Construction And Land Development Loans [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Beginning balance			4,464
Commercial Real Estate Portfolio Segment [Member]
Beginning balance	17,826	17,657	16,603
Provision/(reversal) for credit losses	6,637	2,626	3,716
Less loans charged-off	(2,645)	(2,537)	0
Recoveries on loans charged-off	61	80	0
Ending balance	21,879	17,826	17,657
Commercial Real Estate Portfolio Segment [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Beginning balance			(2,662)
Commercial Real Estate Portfolio Segment [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Beginning balance			13,941
Single Family Residential Mortgages Loans [Member]
Beginning balance	20,117	17,640	7,839
Provision/(reversal) for credit losses	(2,599)	2,570	5,841
Less loans charged-off	0	(93)	0
Recoveries on loans charged-off	0	0	0
Ending balance	17,518	20,117	17,640
Single Family Residential Mortgages Loans [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Beginning balance			3,960
Single Family Residential Mortgages Loans [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Beginning balance			11,799
Commercial and Industrial [Member]
Beginning balance	1,348	1,804	2,813
Provision/(reversal) for credit losses	0	(458)	(818)
Less loans charged-off	(11)	0	(5)
Recoveries on loans charged-off	2	2	2
Ending balance	1,339	1,348	1,804
Commercial and Industrial [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Beginning balance			(188)
Commercial and Industrial [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Beginning balance			2,625
SBA Loans [Member]
Beginning balance	1,196	621	980
Provision/(reversal) for credit losses	(464)	636	(156)
Less loans charged-off	(78)	(62)	(14)
Recoveries on loans charged-off	0	1	227
Ending balance	654	1,196	621
SBA Loans [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Beginning balance			(416)
SBA Loans [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Beginning balance			564
Other Loans [Member]
Beginning balance	197	716	527
Provision/(reversal) for credit losses	212	(217)	(730)
Less loans charged-off	(201)	(362)	(237)
Recoveries on loans charged-off	78	60	29
Ending balance	286	197	716
Other Loans [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Beginning balance			1,127
Other Loans [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Beginning balance			1,654
Unfunded Loan Commitment [Member]
Beginning balance	640	1,156	1,203	[1]
Provision/(reversal) for credit losses	89	(516)	(1,092)
Less loans charged-off	0	0	0
Recoveries on loans charged-off	0	0	0
Ending balance	729	640	1,156
Unfunded Loan Commitment [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Beginning balance	0	0	1,045
Ending balance		0	0
Unfunded Loan Commitment [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Beginning balance	640	1,156	2,248
Ending balance		640	1,156
Allowance for Credit Loss and Unfunded Loan Commitments [Member]
Beginning balance	42,543	42,232	34,115	[1]
Provision/(reversal) for credit losses	9,857	3,362	4,935
Less loans charged-off	(4,083)	(3,194)	(256)
Recoveries on loans charged-off	141	143	258
Ending balance	48,458	42,543	42,232
Allowance for Credit Loss and Unfunded Loan Commitments [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Beginning balance	0	0	3,180
Ending balance		0	0
Allowance for Credit Loss and Unfunded Loan Commitments [Member] | Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Beginning balance	$ 42,543	42,232	37,295
Ending balance		$ 42,543	$ 42,232
[1] Reserve was under the ALL method in accordance with ASC 450 and ASC 310.

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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- Definition

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