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Note 3 - Loans and Allowance for Credit Losses - Loans by Credit Quality Indicators (Details) - USD ($) $ in Thousands	6 Months Ended		12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Originated more than five years prior	$ 307,899		$ 248,956
Originated five years prior	93,947		47,892
Originated four years prior	192,530		87,156
Originated three years prior	178,339		188,187
Originated two years prior	106,961		152,982
Originated current year	45,068		90,857
Revolving	64,756		41,032
Revolving loans converted to term	398		113
Gross loans	989,898		857,175
Originated five years prior, write offs	4		15
Originated three years prior, write offs	17		20
YTD gross charge-offs	51		90
Originated current year, write offs	43		107
Revolving, write offs	53		229
Revolving loans converted to term, write offs	0		0
Loans charged against the allowance for credit losses	177	$ 160	478
YTD gross charge-offs			0
Originated four years prior, write offs	9		17
Pass [Member]
Originated more than five years prior	296,597		238,797
Originated five years prior	93,188		47,892
Originated four years prior	192,035		87,156
Originated three years prior	178,151		187,901
Originated two years prior	106,686		152,964
Originated current year	45,046		90,825
Revolving	64,642		40,983
Revolving loans converted to term	398		113
Gross loans	976,743		846,631
Classified Excluding Impaired [Member]
Originated more than five years prior	3,840		3,763
Originated five years prior	759		0
Originated four years prior	493		0
Originated three years prior	46		286
Originated two years prior	92		18
Originated current year	11		15
Revolving	18		49
Revolving loans converted to term	0		0
Gross loans	5,259		4,131
Special Mention [Member]
Originated more than five years prior	7,462		6,396
Originated five years prior	0		0
Originated four years prior	2		0
Originated three years prior	142		0
Originated two years prior	183		0
Originated current year	11		17
Revolving	96		0
Revolving loans converted to term	0		0
Gross loans	7,896		6,413
Real Estate Construction Portfolio Segment[Member]
Gross loans	81,355		55,379
Loans charged against the allowance for credit losses	(0)	(0)	(0)
Real Estate Construction Portfolio Segment[Member] | Construction Residential [Member] | Pass [Member]
Originated more than five years prior	177		0
Originated five years prior	62		0
Originated four years prior	269		246
Originated three years prior	1,625		158
Originated two years prior	6,504		3,275
Originated current year	1,105		5,157
Revolving	13,199		4,606
Revolving loans converted to term	0		0
Gross loans	22,941		13,442
Real Estate Construction Portfolio Segment[Member] | Construction, Other [Member]
Originated more than five years prior	4,080		2,741
Originated five years prior	1,141		1,094
Originated four years prior	8,205		1,305
Originated three years prior	26,139		12,957
Originated two years prior	5,663		17,397
Originated current year	6,964		4,884
Revolving	6,222		1,559
Revolving loans converted to term	0		0
Gross loans	58,414		41,937
Real Estate Construction Portfolio Segment[Member] | Construction, Other [Member] | Pass [Member]
Originated more than five years prior	4,080		2,741
Originated five years prior	1,141		1,094
Originated four years prior	7,929		1,305
Originated three years prior	26,139		12,671
Originated two years prior	5,663		17,397
Originated current year	6,964		4,884
Revolving	6,222		1,559
Revolving loans converted to term	0		0
Gross loans	58,138		41,651
Real Estate Construction Portfolio Segment[Member] | Construction, Other [Member] | Classified Excluding Impaired [Member]
Originated more than five years prior	0		0
Originated five years prior	0		0
Originated four years prior	276		0
Originated three years prior	0		286
Originated two years prior	0		0
Originated current year	0		0
Revolving	0		0
Revolving loans converted to term	0		0
Gross loans	276		286
Real Estate Construction Portfolio Segment[Member] | Equity Lines [Member]
Originated more than five years prior			51
Originated five years prior			0
Originated four years prior			0
Originated three years prior			0
Originated two years prior			0
Originated current year			0
Revolving			17,231
Revolving loans converted to term			0
Gross loans			17,282
Real Estate Construction Portfolio Segment[Member] | Equity Lines [Member] | Classified Excluding Impaired [Member]
Originated more than five years prior			0
Originated five years prior			0
Originated four years prior			0
Originated three years prior			0
Originated two years prior			0
Originated current year			0
Revolving			49
Revolving loans converted to term			0
Gross loans			49
Consumer Real Estate Portfolio Segment [Member]
Gross loans	299,310		241,564
Loans charged against the allowance for credit losses	(0)	17	17
Consumer Real Estate Portfolio Segment [Member] | Equity Lines [Member]
Gross loans	21,757		17,282
Consumer Real Estate Portfolio Segment [Member] | Equity Lines [Member] | Pass [Member]
Originated more than five years prior	554		51
Originated five years prior	329		0
Originated four years prior	429		0
Originated three years prior	528		0
Originated two years prior	938		0
Originated current year	171		0
Revolving	18,763		17,182
Revolving loans converted to term	45		0
Gross loans	21,757		17,233
Consumer Real Estate Portfolio Segment [Member] | Closed End First Liens [Member]
Originated more than five years prior	43,680		32,830
Originated five years prior	18,555		5,806
Originated four years prior	35,607		14,634
Originated three years prior	36,891		31,414
Originated two years prior	17,900		29,787
Originated current year	12,087
Revolving	0		0
Revolving loans converted to term	268		0
Gross loans	164,988		125,679
Originated five years prior, write offs			0
Originated three years prior, write offs			0
YTD gross charge-offs			0
Originated current year, write offs			0
Revolving, write offs			0
Revolving loans converted to term, write offs			0
Loans charged against the allowance for credit losses			17
YTD gross charge-offs			0
Originated four years prior, write offs			17
Consumer Real Estate Portfolio Segment [Member] | Closed End First Liens [Member] | Pass [Member]
Originated more than five years prior	42,736		32,404
Originated five years prior	18,555		5,806
Originated four years prior	35,607		14,634
Originated three years prior	36,891		31,414
Originated two years prior	17,900		29,787
Originated current year	12,087		11,208
Revolving	0		0
Revolving loans converted to term	268		0
Gross loans	164,044		125,253
Consumer Real Estate Portfolio Segment [Member] | Closed End First Liens [Member] | Classified Excluding Impaired [Member]
Originated more than five years prior	574		426
Originated five years prior	0		0
Originated four years prior	0		0
Originated three years prior	0		0
Originated two years prior	0		0
Originated current year	0		0
Revolving	0		0
Revolving loans converted to term	0		0
Gross loans	574		426
Consumer Real Estate Portfolio Segment [Member] | Closed End First Liens [Member] | Special Mention [Member]
Originated more than five years prior	370
Originated five years prior	0
Originated four years prior	0
Originated three years prior	0
Originated two years prior	0
Originated current year	0
Revolving	0
Revolving loans converted to term	0
Gross loans	370
Consumer Real Estate Portfolio Segment [Member] | Closed End Junior Liens [Member]
Gross loans	6,593		5,039
Consumer Real Estate Portfolio Segment [Member] | Closed End Junior Liens [Member] | Pass [Member]
Originated more than five years prior	1,679		1,499
Originated five years prior	0		116
Originated four years prior	290		0
Originated three years prior	2,081		172
Originated two years prior	1,652		1,387
Originated current year	891		1,850
Revolving	0		0
Revolving loans converted to term	0		15
Gross loans	6,593		5,039
Consumer Real Estate Portfolio Segment [Member] | Investor Owned Residential Real Estate [Member]
Originated more than five years prior	31,443		25,264
Originated five years prior	23,613		5,162
Originated four years prior	19,795		23,649
Originated three years prior	16,742		19,062
Originated two years prior	8,804		14,166
Originated current year			4,880
Revolving	2,800		1,283
Revolving loans converted to term	0		98
Gross loans	105,972		93,564
Consumer Real Estate Portfolio Segment [Member] | Investor Owned Residential Real Estate [Member] | Pass [Member]
Originated more than five years prior	30,684		24,556
Originated five years prior	23,613		5,162
Originated four years prior	19,627		23,649
Originated three years prior	16,561		19,062
Originated two years prior	8,638		14,166
Originated current year	2,775		4,880
Revolving	2,800		1,283
Revolving loans converted to term	0		98
Gross loans	104,698		92,856
Consumer Real Estate Portfolio Segment [Member] | Investor Owned Residential Real Estate [Member] | Classified Excluding Impaired [Member]
Originated more than five years prior	759		708
Originated five years prior	0		0
Originated four years prior	168		0
Originated three years prior	39		0
Originated two years prior	0		0
Originated current year	0		0
Revolving	0		0
Revolving loans converted to term	0		0
Gross loans	966		708
Consumer Real Estate Portfolio Segment [Member] | Investor Owned Residential Real Estate [Member] | Special Mention [Member]
Originated more than five years prior	0
Originated five years prior	0
Originated four years prior	0
Originated three years prior	142
Originated two years prior	166
Originated current year	0
Revolving	0
Revolving loans converted to term	0
Gross loans	308
Commercial Real Estate Portfolio Segment [Member]
Gross loans	454,978		419,130
Loans charged against the allowance for credit losses	(0)	(0)	(0)
Commercial Real Estate Portfolio Segment [Member] | Multifamily Real Estate [Member]
Gross loans	120,791		119,247
Commercial Real Estate Portfolio Segment [Member] | Multifamily Real Estate [Member] | Pass [Member]
Originated more than five years prior	40,686		40,092
Originated five years prior	2,114		1,806
Originated four years prior	40,445		2,148
Originated three years prior	28,096		40,544
Originated two years prior	8,866		25,681
Originated current year	442		8,850
Revolving	142		126
Revolving loans converted to term	0		0
Gross loans	120,791		119,247
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Owner Occupied [Member]
Originated more than five years prior	64,527		50,378
Originated five years prior	25,855		11,091
Originated four years prior	7,778		23,407
Originated three years prior	23,749		4,792
Originated two years prior	10,695		16,720
Originated current year	1,377		7,914
Revolving	4,082		2,919
Revolving loans converted to term	85		0
Gross loans	138,148		117,221
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Owner Occupied [Member] | Pass [Member]
Originated more than five years prior	55,824		41,573
Originated five years prior	25,096		11,091
Originated four years prior	7,778		23,407
Originated three years prior	23,749		4,792
Originated two years prior	10,695		16,720
Originated current year	1,377		7,914
Revolving	4,064		2,919
Revolving loans converted to term	85		0
Gross loans	128,668		108,416
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Owner Occupied [Member] | Classified Excluding Impaired [Member]
Originated more than five years prior	2,307		2,409
Originated five years prior	759		0
Originated four years prior	0		0
Originated three years prior	0		0
Originated two years prior	0		0
Originated current year	0		0
Revolving	18		0
Revolving loans converted to term	0		0
Gross loans	3,084		2,409
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Owner Occupied [Member] | Special Mention [Member]
Originated more than five years prior	6,396		6,396
Originated five years prior	0		0
Originated four years prior	0		0
Originated three years prior	0		0
Originated two years prior	0		0
Originated current year	0		0
Revolving	0		0
Revolving loans converted to term	0		0
Gross loans	6,396		6,396
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Other [Member]
Originated more than five years prior	93,705
Originated five years prior	18,641
Originated four years prior	38,340
Originated three years prior	24,225
Originated two years prior	17,239
Originated current year	2,118
Revolving	1,771
Revolving loans converted to term	0
Gross loans	196,039		182,662
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Other [Member] | Pass [Member]
Originated more than five years prior	93,009		68,889
Originated five years prior	18,641		21,841
Originated four years prior	38,340		19,098
Originated three years prior	24,225		36,157
Originated two years prior	17,239		22,697
Originated current year	2,118		13,279
Revolving	1,771		701
Revolving loans converted to term	0		0
Gross loans	195,343		182,662
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Other [Member] | Special Mention [Member]
Originated more than five years prior	696
Originated five years prior	0
Originated four years prior	0
Originated three years prior	0
Originated two years prior	0
Originated current year	0
Revolving	0
Revolving loans converted to term	0
Gross loans	696
Commercial Non Real Estate Segment [Member]
Gross loans	52,297		41,555
Loans charged against the allowance for credit losses	20	11	214
Commercial Non Real Estate Segment [Member] | Commercial and Industrial [Member]
Originated more than five years prior	6,873		6,224
Originated five years prior	2,412		438
Originated four years prior	12,702		1,060
Originated three years prior	6,422		12,667
Originated two years prior	7,282		6,961
Originated current year	4,292		6,938
Revolving	12,314		7,267
Revolving loans converted to term	0		0
Gross loans	52,297		41,555
Originated five years prior, write offs			12
Originated three years prior, write offs			0
YTD gross charge-offs			0
Originated current year, write offs			12
Revolving, write offs	20		190
Revolving loans converted to term, write offs			0
Loans charged against the allowance for credit losses	20		214
YTD gross charge-offs			0
Originated four years prior, write offs			0
Commercial Non Real Estate Segment [Member] | Commercial and Industrial [Member] | Pass [Member]
Originated more than five years prior	6,673		6,004
Originated five years prior	2,412		438
Originated four years prior	12,702		1,060
Originated three years prior	6,415		12,667
Originated two years prior	7,282		6,954
Originated current year	4,292		6,938
Revolving	12,218		7,267
Revolving loans converted to term	0		0
Gross loans	51,994		41,328
Commercial Non Real Estate Segment [Member] | Commercial and Industrial [Member] | Classified Excluding Impaired [Member]
Originated more than five years prior	200		220
Originated five years prior	0		0
Originated four years prior	0		0
Originated three years prior	7		0
Originated two years prior	0		7
Originated current year	0		0
Revolving	0		0
Revolving loans converted to term	0		0
Gross loans	207		227
Commercial Non Real Estate Segment [Member] | Commercial and Industrial [Member] | Special Mention [Member]
Originated more than five years prior	0
Originated five years prior	0
Originated four years prior	0
Originated three years prior	0
Originated two years prior	0
Originated current year	0
Revolving	96
Revolving loans converted to term	0
Gross loans	96
Public Sector and IDA Portfolio Segment[Member]
Gross loans	59,043		60,551
Loans charged against the allowance for credit losses	(0)	(0)	(0)
Public Sector and IDA Portfolio Segment[Member] | Pass [Member]
Originated more than five years prior	20,062		20,817
Originated five years prior	227		0
Originated four years prior	26,162		235
Originated three years prior	6,130		26,702
Originated two years prior	6,462		6,335
Originated current year	0		6,462
Revolving	0		0
Revolving loans converted to term	0		0
Gross loans	59,043		60,551
Consumer Non Real Estate Portfolio Segment [Member]
Gross loans	42,915		38,996
Loans charged against the allowance for credit losses	157	$ 132	247
Consumer Non Real Estate Portfolio Segment [Member] | Credit Card Receivable [Member]
Gross loans	4,765		4,668
Originated five years prior, write offs			0
Originated three years prior, write offs	0		0
YTD gross charge-offs	0		0
Originated current year, write offs	0		0
Revolving, write offs	33		39
Revolving loans converted to term, write offs	0		0
Loans charged against the allowance for credit losses	33		39
YTD gross charge-offs	0		0
Originated four years prior, write offs	0		0
Consumer Non Real Estate Portfolio Segment [Member] | Credit Card Receivable [Member] | Pass [Member]
Originated more than five years prior	0		0
Originated five years prior	0		0
Originated four years prior	0		0
Originated three years prior	0		0
Originated two years prior	0		0
Originated current year	0		0
Revolving	4,765		4,668
Revolving loans converted to term	0		0
Gross loans	4,765		4,668
Consumer Non Real Estate Portfolio Segment [Member] | Automobile Loan [Member]
Originated more than five years prior	111
Originated five years prior	404
Originated four years prior	1,139
Originated three years prior	2,181
Originated two years prior	6,019
Originated current year	3,905
Revolving	0
Revolving loans converted to term	0
Gross loans	13,759		12,261
Originated five years prior, write offs			3
Originated three years prior, write offs			1
YTD gross charge-offs			38
Originated current year, write offs			0
Revolving, write offs			0
Revolving loans converted to term, write offs			0
Loans charged against the allowance for credit losses			42
YTD gross charge-offs			0
Originated four years prior, write offs			0
Consumer Non Real Estate Portfolio Segment [Member] | Automobile Loan [Member] | Pass [Member]
Originated more than five years prior	111		78
Originated five years prior	404		204
Originated four years prior	1,139		563
Originated three years prior	2,181		1,619
Originated two years prior	5,946		2,750
Originated current year	3,894		7,047
Revolving	0		0
Revolving loans converted to term	0		0
Gross loans	13,675		12,261
Consumer Non Real Estate Portfolio Segment [Member] | Automobile Loan [Member] | Classified Excluding Impaired [Member]
Originated more than five years prior	0
Originated five years prior	0
Originated four years prior	0
Originated three years prior	0
Originated two years prior	69
Originated current year	11
Revolving	0
Revolving loans converted to term	0
Gross loans	80
Consumer Non Real Estate Portfolio Segment [Member] | Automobile Loan [Member] | Special Mention [Member]
Originated more than five years prior	0
Originated five years prior	0
Originated four years prior	0
Originated three years prior	0
Originated two years prior	4
Originated current year	0
Revolving	0
Revolving loans converted to term	0
Gross loans	4
Consumer Non Real Estate Portfolio Segment [Member] | Other Consumer Loans [Member]
Originated more than five years prior	322		93
Originated five years prior	594		334
Originated four years prior	1,369		811
Originated three years prior	3,530		1,943
Originated two years prior	8,937		5,826
Originated current year	8,941		12,388
Revolving	698		672
Revolving loans converted to term	0		0
Gross loans	24,391		22,067
Originated five years prior, write offs	4		0
Originated three years prior, write offs	17		19
YTD gross charge-offs	51		52
Originated current year, write offs	43		95
Revolving, write offs	0		0
Revolving loans converted to term, write offs	0		0
Loans charged against the allowance for credit losses	124		166
YTD gross charge-offs	0		0
Originated four years prior, write offs	9		0
Consumer Non Real Estate Portfolio Segment [Member] | Other Consumer Loans [Member] | Pass [Member]
Originated more than five years prior	322		93
Originated five years prior	594		334
Originated four years prior	1,318		811
Originated three years prior	3,530		1,943
Originated two years prior	8,901		5,815
Originated current year	8,930		12,356
Revolving	698		672
Revolving loans converted to term	0		0
Gross loans	24,293		22,024
Consumer Non Real Estate Portfolio Segment [Member] | Other Consumer Loans [Member] | Classified Excluding Impaired [Member]
Originated more than five years prior	0		0
Originated five years prior	0		0
Originated four years prior	49		0
Originated three years prior	0		0
Originated two years prior	23		11
Originated current year	0		15
Revolving	0		0
Revolving loans converted to term	0		0
Gross loans	72		26
Consumer Non Real Estate Portfolio Segment [Member] | Other Consumer Loans [Member] | Special Mention [Member]
Originated more than five years prior	0		0
Originated five years prior	0		0
Originated four years prior	2		0
Originated three years prior	0		0
Originated two years prior	13		0
Originated current year	11		17
Revolving	0		0
Revolving loans converted to term	0		0
Gross loans	$ 26		$ 17

X

- Definition

Amount of writeoff of financing receivable, charged against allowance for credit loss.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 11B
-Subparagraph (c)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-11B

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 55
-Paragraph 79
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479294/326-20-55-79

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

+ Details

Name:	us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amortized cost, before allowance for credit loss, fee, and loan in process, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-5

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
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