Note 5 - Internal Risk Ratings and Payment Activity (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Financing Receivable Recorded Investment [Line Items]
Total	$ 1,216,551	$ 1,093,771
Total, Charge-Offs	199	475	$ 196
Commercial and Industrial [Member]
Financing Receivable Recorded Investment [Line Items]
Originated prior year-2023, Charge-Offs		229
Revolving, Charge-Offs	23	84
Total, Charge-Offs	23	313
State and Political Subdivisions [Member]
Financing Receivable Recorded Investment [Line Items]
Total	17,683	18,708
Student Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Prior, Charge-Offs	52	57
Total, Charge-Offs	52	57
Overdrafts [Member]
Financing Receivable Recorded Investment [Line Items]
Revolving, Charge-Offs	101	91
Total, Charge-Offs	101	91
Other Consumer [Member]
Financing Receivable Recorded Investment [Line Items]
Originated prior year-2023, Charge-Offs	4	1
Originated two years prior year-2022, Charge-Offs	8	3
Originated three years prior year-2021, Charge-Offs	4
Revolving, Charge-Offs	7	10
Total, Charge-Offs	23	14
Commercial Portfolio Segment [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	173,760	140,159
Originated prior year-2023	139,973	190,260
Originated two years prior year-2022	172,361	141,940
Originated three years prior year	128,208	66,038
Originated four years prior year	57,058	74,696
Prior	263,301	228,994
Revolving	95,148	77,328
Total	1,029,809	919,415
Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	24,130	20,473
Originated prior year-2023	12,423	14,439
Originated two years prior year-2022	10,818	8,574
Originated three years prior year	4,909	5,913
Originated four years prior year	2,597	8,626
Prior	8,814	7,175
Revolving	89,496	71,886
Total	153,187	137,086
Total, Charge-Offs	23	313	38
Commercial Portfolio Segment [Member] \| Construction and Land Development [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	53,278	46,171
Originated prior year-2023	39,426	43,472
Originated two years prior year-2022	11,404	14,630
Originated three years prior year	13,998	3,434
Originated four years prior year	3,268	4,028
Prior	8,090	4,438
Revolving	0	0
Total	129,464	116,173
Total, Charge-Offs	0	0
Commercial Portfolio Segment [Member] \| Real Estate Secured by Multi-Family Properties [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	26,080	10,826
Originated prior year-2023	17,866	28,858
Originated two years prior year-2022	27,638	23,430
Originated three years prior year	22,402	9,808
Originated four years prior year	9,210	6,508
Prior	34,265	29,763
Revolving	0	0
Total	137,461	109,193
Total, Charge-Offs	0	0
Commercial Portfolio Segment [Member] \| Real Estate Secured By Owner-Occupied Properties [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	15,511	14,430
Originated prior year-2023	21,148	29,576
Originated two years prior year-2022	27,412	26,908
Originated three years prior year	23,080	18,693
Originated four years prior year	17,021	12,239
Prior	59,783	58,849
Revolving	0	0
Total	163,955	160,695
Total, Charge-Offs	0	0
Commercial Portfolio Segment [Member] \| Real Estate Secured by Other Commercial Properties [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	42,414	32,297
Originated prior year-2023	30,795	44,526
Originated two years prior year-2022	67,747	42,582
Originated three years prior year	40,771	17,798
Originated four years prior year	15,922	28,947
Prior	115,741	98,951
Revolving	0	0
Total	313,390	265,101
Total, Charge-Offs	0	0
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	5,652	5,442
Total	5,652	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	9,890	14,697
Originated prior year-2023	16,641	28,785
Originated two years prior year-2022	26,749	21,027
Originated three years prior year	19,123	9,794
Originated four years prior year	8,494	8,864
Prior	24,882	20,405
Revolving	0	0
Total	105,779	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	543	558
Originated prior year-2023	533	604
Originated two years prior year-2022	593	542
Originated three years prior year	176	580
Originated four years prior year	538	40
Prior	855	1,121
Revolving	0	0
Total	3,238	3,445
Commercial Portfolio Segment [Member] \| State and Political Subdivisions [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	1,914	707
Originated prior year-2023	1,141	0
Originated two years prior year-2022	0	4,247
Originated three years prior year	3,749	18
Originated four years prior year	8	5,444
Prior	10,871	8,292
Revolving	0	0
Total	17,683	18,708
Commercial Portfolio Segment [Member] \| Pass [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	172,029	140,159
Originated prior year-2023	124,771	190,071
Originated two years prior year-2022	170,338	141,803
Originated three years prior year	127,758	66,038
Originated four years prior year	52,400	73,569
Prior	251,860	219,870
Revolving	91,746	76,158
Total	990,902	907,668
Commercial Portfolio Segment [Member] \| Pass [Member] \| Commercial and Industrial [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	24,130	20,473
Originated prior year-2023	11,476	14,439
Originated two years prior year-2022	10,818	8,574
Originated three years prior year	4,796	5,913
Originated four years prior year	2,513	8,626
Prior	8,138	7,175
Revolving	86,094	70,716
Total	147,965	135,916
Commercial Portfolio Segment [Member] \| Pass [Member] \| Construction and Land Development [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	53,278	46,171
Originated prior year-2023	33,332	43,472
Originated two years prior year-2022	11,404	14,630
Originated three years prior year	13,998	3,434
Originated four years prior year	3,268	4,028
Prior	8,056	4,395
Revolving	0	0
Total	123,336	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	26,080	10,826
Originated prior year-2023	17,395	28,858
Originated two years prior year-2022	27,638	23,430
Originated three years prior year	22,402	9,808
Originated four years prior year	9,210	5,804
Prior	31,488	27,609
Revolving	0	0
Total	134,213	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	14,110	14,430
Originated prior year-2023	14,121	29,576
Originated two years prior year-2022	25,747	26,908
Originated three years prior year	23,080	18,693
Originated four years prior year	14,890	12,239
Prior	53,062	53,030
Revolving	0	0
Total	145,010	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	42,414	32,297
Originated prior year-2023	30,132	44,526
Originated two years prior year-2022	67,747	42,582
Originated three years prior year	40,771	17,798
Originated four years prior year	13,624	28,947
Prior	115,015	98,173
Revolving	0	0
Total	309,703	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	5,652	5,442
Total	5,652	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	9,890	14,697
Originated prior year-2023	16,641	28,596
Originated two years prior year-2022	26,410	20,890
Originated three years prior year	18,786	9,794
Originated four years prior year	8,349	8,441
Prior	24,375	20,262
Revolving	0	0
Total	104,451	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	213	558
Originated prior year-2023	533	604
Originated two years prior year-2022	574	542
Originated three years prior year	176	580
Originated four years prior year	538	40
Prior	855	934
Revolving	0	0
Total	2,889	3,258
Commercial Portfolio Segment [Member] \| Pass [Member] \| State and Political Subdivisions [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	1,914	707
Originated prior year-2023	1,141	0
Originated two years prior year-2022	0	4,247
Originated three years prior year	3,749	18
Originated four years prior year	8	5,444
Prior	10,871	8,292
Revolving	0	0
Total	17,683	18,708
Commercial Portfolio Segment [Member] \| Special Mention [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	656	0
Originated prior year-2023	392	0
Originated two years prior year-2022	0	137
Originated three years prior year	132	0
Originated four years prior year	0	0
Prior	869	0
Revolving	2,557	0
Total	4,606	137
Commercial Portfolio Segment [Member] \| Special Mention [Member] \| Commercial and Industrial [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	0	0
Originated prior year-2023	392	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	2,557	0
Total	2,949	0
Commercial Portfolio Segment [Member] \| Special Mention [Member] \| Construction and Land Development [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 Multi-Family 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 Owner-Occupied Properties [Member]
Financing Receivable Recorded Investment [Line Items]
Originated current year-2024	656	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	869	0
Revolving	0	0
Total	1,525	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	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 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	132	0
Originated four years prior year	0	0
Prior	0	0
Revolving	0	0
Total	132	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	1,075	0
Originated prior year-2023	14,810	189
Originated two years prior year-2022	2,023	0
Originated three years prior year	318	0
Originated four years prior year	4,658	1,127
Prior	10,572	9,124
Revolving	845	1,170
Total	34,301	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	555	0
Originated two years prior year-2022	0	0
Originated three years prior year	113	0
Originated four years prior year	84	0
Prior	676	0
Revolving	845	1,170
Total	2,273	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	6,094	0
Originated two years prior year-2022	0	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	34	43
Revolving	0	0
Total	6,128	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	0
Originated prior year-2023	471	0
Originated two years prior year-2022	0	0
Originated three years prior year	0	0
Originated four years prior year	0	704
Prior	2,777	2,154
Revolving	0	0
Total	3,248	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	745	0
Originated prior year-2023	7,027	0
Originated two years prior year-2022	1,665
Originated three years prior year	0	0
Originated four years prior year	2,131	0
Prior	5,852	5,819
Revolving	0	0
Total	17,420	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	663	0
Originated two years prior year-2022	0	0
Originated three years prior year	0	0
Originated four years prior year	2,298	0
Prior	726	778
Revolving	0	0
Total	3,687	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	339	0
Originated three years prior year	205	0
Originated four years prior year	145	423
Prior	507	143
Revolving	0	0
Total	1,196	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	330	0
Originated prior year-2023	0	0
Originated two years prior year-2022	19	0
Originated three years prior year	0	0
Originated four years prior year	0	0
Prior	0	187
Revolving	0	0
Total	349	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	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] \| 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	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 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

Note 5 - Internal Risk Ratings and Payment Activity (Details) - USD ($)
$ in Thousands

12 Months Ended

Dec. 31, 2024

Dec. 31, 2023

Dec. 31, 2022

Financing Receivable Recorded Investment [Line Items]

Total

$ 1,216,551

$ 1,093,771

Total, Charge-Offs

199

475