Note 8 - Internal Risk Ratings and Payment Activity (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Financing Receivable Recorded Investment [Line Items]
Total	$ 1,122,908	$ 1,093,771
State and Political Subdivisions [Member]
Financing Receivable Recorded Investment [Line Items]
Total	17,970	18,708
Special Mention [Member] | Commercial and Industrial [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0
Originated two years prior year-2022	0
Originated three years prior year	0
Originated four years prior year	0
Prior	0
Revolving	0
Total	1,296
Commercial Portfolio Segment [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	25,386	140,159
Originated prior year-2023	144,192	190,260
Originated two years prior year-2022	186,609	141,940
Originated three years prior year	138,873	66,038
Originated four years prior year	64,399	74,696
Prior	294,881	228,994
Revolving	92,586	77,328
Total	946,926	919,415
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	5,300	20,473
Originated prior year-2023	18,823	14,439
Originated two years prior year-2022	13,503	8,574
Originated three years prior year	7,630	5,913
Originated four years prior year	4,978	8,626
Prior	12,019	7,175
Revolving	86,103	71,886
Total	148,356	137,086
Commercial Portfolio Segment [Member] | Construction and Land Development [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	11,164	46,171
Originated prior year-2023	47,729	43,472
Originated two years prior year-2022	32,119	14,630
Originated three years prior year	14,684	3,434
Originated four years prior year	3,432	4,028
Prior	8,407	4,438
Revolving	0	0
Total	117,535	116,173
Commercial Portfolio Segment [Member] | Real Estate Secured by Multi-Family Properties [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	1,847	10,826
Originated prior year-2023	11,096	28,858
Originated two years prior year-2022	28,575	23,430
Originated three years prior year	23,084	9,808
Originated four years prior year	9,709	6,508
Prior	36,091	29,763
Revolving	0
Total	110,402	109,193
Commercial Portfolio Segment [Member] | Real Estate Secured By Owner-Occupied Properties [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	2,554	14,430
Originated prior year-2023	17,969	29,576
Originated two years prior year-2022	29,344	26,908
Originated three years prior year	26,595	18,693
Originated four years prior year	18,423	12,239
Prior	69,943	58,849
Revolving	0	0
Total	164,828	160,695
Commercial Portfolio Segment [Member] | Real Estate Secured by Other Commercial Properties [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	2,220	32,297
Originated prior year-2023	32,822	44,526
Originated two years prior year-2022	54,981	42,582
Originated three years prior year	42,094	17,798
Originated four years prior year	17,605	28,947
Prior	126,327	98,951
Revolving	0	0
Total	276,049	265,101
Commercial Portfolio Segment [Member] | Revolving Real Estate Secured By 1-4 Family Properties-Business [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	0	0
Originated two years prior year-2022	0	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	0	0
Revolving	6,483	5,442
Total	6,483	5,442
Commercial Portfolio Segment [Member] | Real Estate Secured By 1st Lien on 1-4 Family Properties-Business [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	2,173	14,697
Originated prior year-2023	14,496	28,785
Originated two years prior year-2022	27,490	21,027
Originated three years prior year	20,354	9,794
Originated four years prior year	9,667	8,864
Prior	28,159	20,405
Revolving	0	0
Total	102,339	103,572
Commercial Portfolio Segment [Member] | Real Estate Secured By Junior Lien on 1-4 Family Properties-Business [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	80	558
Originated prior year-2023	552	604
Originated two years prior year-2022	597	542
Originated three years prior year	193	580
Originated four years prior year	569	40
Prior	973	1,121
Revolving	0	0
Total	2,964	3,445
Commercial Portfolio Segment [Member] | State and Political Subdivisions [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	48	707
Originated prior year-2023	705	0
Originated two years prior year-2022	0	4,247
Originated three years prior year	4,239	18
Originated four years prior year	16	5,444
Prior	12,962	8,292
Revolving	0	0
Total	17,970	18,708
Commercial Portfolio Segment [Member] | Pass [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	25,386	140,159
Originated prior year-2023	137,412	190,071
Originated two years prior year-2022	186,588	141,803
Originated three years prior year	138,549	66,038
Originated four years prior year	64,399	73,569
Prior	284,383	219,870
Revolving	91,441	76,158
Total	928,158	907,668
Commercial Portfolio Segment [Member] | Pass [Member] | Commercial and Industrial [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	5,300	20,473
Originated prior year-2023	17,527	14,439
Originated two years prior year-2022	13,503	8,574
Originated three years prior year	7,630	5,913
Originated four years prior year	4,978	8,626
Prior	11,942	7,175
Revolving	84,958	70,716
Total	145,838	135,916
Commercial Portfolio Segment [Member] | Pass [Member] | Construction and Land Development [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	11,164	46,171
Originated prior year-2023	42,245	43,472
Originated two years prior year-2022	32,119	14,630
Originated three years prior year	14,684	3,434
Originated four years prior year	3,432	4,028
Prior	8,366	4,395
Revolving	0	0
Total	112,010	116,130
Commercial Portfolio Segment [Member] | Pass [Member] | Real Estate Secured by Multi-Family Properties [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	1,847	10,826
Originated prior year-2023	11,096	28,858
Originated two years prior year-2022	28,575	23,430
Originated three years prior year	23,084	9,808
Originated four years prior year	9,709	5,804
Prior	33,253	27,609
Revolving	0
Total	107,564	106,335
Commercial Portfolio Segment [Member] | Pass [Member] | Real Estate Secured By Owner-Occupied Properties [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	2,554	14,430
Originated prior year-2023	17,969	29,576
Originated two years prior year-2022	29,344	26,908
Originated three years prior year	26,595	18,693
Originated four years prior year	18,423	12,239
Prior	63,716	53,030
Revolving	0	0
Total	158,601	154,876
Commercial Portfolio Segment [Member] | Pass [Member] | Real Estate Secured by Other Commercial Properties [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	2,220	32,297
Originated prior year-2023	32,822	44,526
Originated two years prior year-2022	54,981	42,582
Originated three years prior year	42,094	17,798
Originated four years prior year	17,605	28,947
Prior	125,561	98,173
Revolving	0	0
Total	275,283	264,323
Commercial Portfolio Segment [Member] | Pass [Member] | Revolving Real Estate Secured By 1-4 Family Properties-Business [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	0	0
Originated two years prior year-2022	0	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	0	0
Revolving	6,483	5,442
Total	6,483	5,442
Commercial Portfolio Segment [Member] | Pass [Member] | Real Estate Secured By 1st Lien on 1-4 Family Properties-Business [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	2,173	14,697
Originated prior year-2023	14,496	28,596
Originated two years prior year-2022	27,490	20,890
Originated three years prior year	20,030	9,794
Originated four years prior year	9,667	8,441
Prior	27,610	20,262
Revolving	0	0
Total	101,466	102,680
Commercial Portfolio Segment [Member] | Pass [Member] | Real Estate Secured By Junior Lien on 1-4 Family Properties-Business [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	80	558
Originated prior year-2023	552	604
Originated two years prior year-2022	576	542
Originated three years prior year	193	580
Originated four years prior year	569	40
Prior	973	934
Revolving	0	0
Total	2,943	3,258
Commercial Portfolio Segment [Member] | Pass [Member] | State and Political Subdivisions [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	48	707
Originated prior year-2023	705	0
Originated two years prior year-2022	0	4,247
Originated three years prior year	4,239	18
Originated four years prior year	16	5,444
Prior	12,962	8,292
Revolving	0	0
Total	17,970	18,708
Commercial Portfolio Segment [Member] | Special Mention [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0
Originated prior year-2023	6,780
Originated two years prior year-2022	0	137
Originated three years prior year	136
Originated four years prior year	0
Prior	0
Revolving	0
Total	6,916	137
Commercial Portfolio Segment [Member] | Special Mention [Member] | Commercial and Industrial [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024		0
Originated prior year-2023	1,296	0
Originated two years prior year-2022		0
Originated three years prior year		0
Originated four years prior year		0
Prior		0
Revolving		0
Total		0
Commercial Portfolio Segment [Member] | Special Mention [Member] | Construction and Land Development [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	5,484	0
Originated two years prior year-2022	0	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	0	0
Revolving	0	0
Total	5,484	0
Commercial Portfolio Segment [Member] | Special Mention [Member] | Real Estate Secured by Multi-Family Properties [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0
Originated prior year-2023	0
Originated two years prior year-2022	0
Originated three years prior year	0
Originated four years prior year	0
Prior	0
Revolving	0
Total	0
Commercial Portfolio Segment [Member] | Special Mention [Member] | Real Estate Secured By Owner-Occupied Properties [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	0	0
Originated two years prior year-2022	0	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	0	0
Revolving	0	0
Total	0	0
Commercial Portfolio Segment [Member] | Special Mention [Member] | Real Estate Secured by Other Commercial Properties [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	0	0
Originated two years prior year-2022	0	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	0	0
Revolving	0	0
Total	0	0
Commercial Portfolio Segment [Member] | Special Mention [Member] | Revolving Real Estate Secured By 1-4 Family Properties-Business [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024		0
Originated prior year-2023	0	0
Originated two years prior year-2022		0
Originated three years prior year		0
Originated four years prior year		0
Prior		0
Revolving		0
Total		0
Commercial Portfolio Segment [Member] | Special Mention [Member] | Real Estate Secured By 1st Lien on 1-4 Family Properties-Business [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	0	0
Originated two years prior year-2022	0	137
Originated three years prior year	136	0
Originated four years prior year	0	0
Prior	0	0
Revolving	0	0
Total	136	137
Commercial Portfolio Segment [Member] | Special Mention [Member] | Real Estate Secured By Junior Lien on 1-4 Family Properties-Business [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	0	0
Originated two years prior year-2022	0	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	0	0
Revolving	0	0
Total	0	0
Commercial Portfolio Segment [Member] | Special Mention [Member] | State and Political Subdivisions [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	0	0
Originated two years prior year-2022	0	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	0	0
Revolving	0	0
Total	0	0
Commercial Portfolio Segment [Member] | Substandard [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0
Originated prior year-2023	0	189
Originated two years prior year-2022	21
Originated three years prior year	188
Originated four years prior year	0	1,127
Prior	10,498	9,124
Revolving	1,145	1,170
Total	11,852	11,610
Commercial Portfolio Segment [Member] | Substandard [Member] | Commercial and Industrial [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	0	0
Originated two years prior year-2022	0	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	77	0
Revolving	1,145	1,170
Total	1,222	1,170
Commercial Portfolio Segment [Member] | Substandard [Member] | Construction and Land Development [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	0	0
Originated two years prior year-2022	0	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	41	43
Revolving	0	0
Total	41	43
Commercial Portfolio Segment [Member] | Substandard [Member] | Real Estate Secured by Multi-Family Properties [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0
Originated prior year-2023	0
Originated two years prior year-2022	0
Originated three years prior year	0
Originated four years prior year	0	704
Prior	2,838	2,154
Revolving	0
Total	2,838	2,858
Commercial Portfolio Segment [Member] | Substandard [Member] | Real Estate Secured By Owner-Occupied Properties [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	0	0
Originated two years prior year-2022	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	6,227	5,819
Revolving	0	0
Total	6,227	5,819
Commercial Portfolio Segment [Member] | Substandard [Member] | Real Estate Secured by Other Commercial Properties [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	0	0
Originated two years prior year-2022	0	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	766	778
Revolving	0	0
Total	766	778
Commercial Portfolio Segment [Member] | Substandard [Member] | Revolving Real Estate Secured By 1-4 Family Properties-Business [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	0	0
Originated two years prior year-2022	0	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	0	0
Revolving	0	0
Total	0	0
Commercial Portfolio Segment [Member] | Substandard [Member] | Real Estate Secured By 1st Lien on 1-4 Family Properties-Business [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	0	189
Originated two years prior year-2022	0	0
Originated three years prior year	188	0
Originated four years prior year	0	423
Prior	549	143
Revolving	0	0
Total	737	755
Commercial Portfolio Segment [Member] | Substandard [Member] | Real Estate Secured By Junior Lien on 1-4 Family Properties-Business [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	0	0
Originated two years prior year-2022	21	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	0	187
Revolving	0	0
Total	21	187
Commercial Portfolio Segment [Member] | Substandard [Member] | State and Political Subdivisions [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	0	0
Originated two years prior year-2022	0	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	0	0
Revolving	0	0
Total	0	0
Commercial Portfolio Segment [Member] | Doubtful [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0
Originated prior year-2023	0
Originated two years prior year-2022	0
Originated three years prior year	0
Originated four years prior year	0
Prior	0
Revolving	0
Total	0
Commercial Portfolio Segment [Member] | Doubtful [Member] | Commercial and Industrial [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	0	0
Originated two years prior year-2022	0	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	0	0
Revolving	0	0
Total	0	0
Commercial Portfolio Segment [Member] | Doubtful [Member] | Construction and Land Development [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	0	0
Originated two years prior year-2022	0	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	0	0
Revolving	0	0
Total	0	0
Commercial Portfolio Segment [Member] | Doubtful [Member] | Real Estate Secured by Multi-Family Properties [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0
Originated prior year-2023	0
Originated two years prior year-2022	0
Originated three years prior year	0
Originated four years prior year	0
Prior	0
Revolving	0
Total	0
Commercial Portfolio Segment [Member] | Doubtful [Member] | Real Estate Secured By Owner-Occupied Properties [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	0	0
Originated two years prior year-2022	0	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	0	0
Revolving	0	0
Total	0	0
Commercial Portfolio Segment [Member] | Doubtful [Member] | Real Estate Secured by Other Commercial Properties [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	0	0
Originated two years prior year-2022	0	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	0	0
Revolving	0	0
Total	0	0
Commercial Portfolio Segment [Member] | Doubtful [Member] | Revolving Real Estate Secured By 1-4 Family Properties-Business [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	0	0
Originated two years prior year-2022	0	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	0	0
Revolving	0	0
Total	0	0
Commercial Portfolio Segment [Member] | Doubtful [Member] | Real Estate Secured By 1st Lien on 1-4 Family Properties-Business [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	0	0
Originated two years prior year-2022	0	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	0	0
Revolving	0	0
Total	0	0
Commercial Portfolio Segment [Member] | Doubtful [Member] | Real Estate Secured By Junior Lien on 1-4 Family Properties-Business [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	0	0
Originated two years prior year-2022	0	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	0	0
Revolving	0	0
Total	0	0
Commercial Portfolio Segment [Member] | Doubtful [Member] | State and Political Subdivisions [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	0	0
Originated two years prior year-2022	0	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	0	0
Revolving	0	0
Total	$ 0	$ 0