Note 8 - Internal Risk Ratings and Payment Activity (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Financing Receivable Recorded Investment [Line Items]
Total	$ 1,012,152	$ 1,039,637
Excluding Retail Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Total		866,290
Pass [Member] | Excluding Retail Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Total		849,792
Special Mention [Member] | Excluding Retail Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Total		2,814
Substandard [Member] | Excluding Retail Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Total		13,684
Doubtful [Member] | Excluding Retail Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Total		0
Commercial Portfolio Segment [Member]
Financing Receivable Recorded Investment [Line Items]
2023	21,358
2022	174,654
2021	149,348
2020	74,503
2019	78,039
Prior	251,063
Revolving	96,015
Total	844,980
Commercial Portfolio Segment [Member] | Commercial and Industrial [Member]
Financing Receivable Recorded Investment [Line Items]
2023	3,608
2022	16,844
2021	10,412
2020	8,237
2019	7,119
Prior	9,226
Revolving	89,463
Total	144,909	160,875
Commercial Portfolio Segment [Member] | Construction and Land Development [Member]
Financing Receivable Recorded Investment [Line Items]
2023	6,821
2022	27,572
2021	13,172
2020	3,441
2019	4,160
Prior	4,473
Revolving	0
Total	59,639
Commercial Portfolio Segment [Member] | Real Estate Secured by Multi-Family Properties [Member]
Financing Receivable Recorded Investment [Line Items]
2023	100
2022	27,489
2021	23,048
2020	10,258
2019	6,723
Prior	31,268
Revolving	0
Total	98,886
Commercial Portfolio Segment [Member] | Real Estate Secured By Owner-Occupied Properties [Member]
Financing Receivable Recorded Investment [Line Items]
2023	1,338
2022	27,684
2021	29,171
2020	19,841
2019	12,403
Prior	66,375
Revolving	0
Total	156,812
Commercial Portfolio Segment [Member] | Real Estate Secured by Other Commercial Properties [Member]
Financing Receivable Recorded Investment [Line Items]
2023	7,015
2022	45,257
2021	46,480
2020	20,637
2019	32,055
Prior	106,500
Revolving	0
Total	257,944
Commercial Portfolio Segment [Member] | Revolving Real Estate Secured By 1-4 Family Properties-Business [Member]
Financing Receivable Recorded Investment [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	6,552
Total	6,552
Commercial Portfolio Segment [Member] | Real Estate Secured By 1st Lein on 1-4 Family Properties-Business [Member]
Financing Receivable Recorded Investment [Line Items]
2023	2,170
2022	29,136
2021	21,481
2020	11,431
2019	9,603
Prior	22,882
Revolving	0
Total	96,703
Commercial Portfolio Segment [Member] | Real Estate Secured By Junior Lein on 1-4 Family Properties-Business [Member]
Financing Receivable Recorded Investment [Line Items]
2023	306
2022	632
2021	567
2020	633
2019	45
Prior	1,274
Revolving	0
Total	3,457
Commercial Portfolio Segment [Member] | State and Political Subdivisions [Member]
Financing Receivable Recorded Investment [Line Items]
2023	0
2022	40
2021	5,017
2020	25
2019	5,931
Prior	9,065
Revolving	0
Total	20,078	20,971
Commercial Portfolio Segment [Member] | Construction Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Total		62,955
Commercial Portfolio Segment [Member] | Secured by Commercial Real Estate [Member]
Financing Receivable Recorded Investment [Line Items]
Total		518,070
Commercial Portfolio Segment [Member] | Secured by Residential Real Estate [Member]
Financing Receivable Recorded Investment [Line Items]
Total		103,419
Commercial Portfolio Segment [Member] | Pass [Member]
Financing Receivable Recorded Investment [Line Items]
2023	21,358
2022	174,282
2021	149,076
2020	74,499
2019	76,842
Prior	237,848
Revolving	94,507
Total	828,412
Commercial Portfolio Segment [Member] | Pass [Member] | Commercial and Industrial [Member]
Financing Receivable Recorded Investment [Line Items]
2023	3,608
2022	16,665
2021	10,412
2020	8,233
2019	7,095
Prior	8,984
Revolving	87,955
Total	142,952	157,914
Commercial Portfolio Segment [Member] | Pass [Member] | Construction and Land Development [Member]
Financing Receivable Recorded Investment [Line Items]
2023	6,821
2022	27,572
2021	13,172
2020	3,441
2019	4,160
Prior	4,424
Revolving	0
Total	59,590
Commercial Portfolio Segment [Member] | Pass [Member] | Real Estate Secured by Multi-Family Properties [Member]
Financing Receivable Recorded Investment [Line Items]
2023	100
2022	27,489
2021	23,048
2020	10,258
2019	6,005
Prior	29,533
Revolving	0
Total	96,433
Commercial Portfolio Segment [Member] | Pass [Member] | Real Estate Secured By Owner-Occupied Properties [Member]
Financing Receivable Recorded Investment [Line Items]
2023	1,338
2022	27,684
2021	29,038
2020	19,841
2019	12,403
Prior	59,744
Revolving	0
Total	150,048
Commercial Portfolio Segment [Member] | Pass [Member] | Real Estate Secured by Other Commercial Properties [Member]
Financing Receivable Recorded Investment [Line Items]
2023	7,015
2022	45,257
2021	46,480
2020	20,637
2019	32,055
Prior	102,370
Revolving	0
Total	253,814
Commercial Portfolio Segment [Member] | Pass [Member] | Revolving Real Estate Secured By 1-4 Family Properties-Business [Member]
Financing Receivable Recorded Investment [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	6,552
Total	6,552
Commercial Portfolio Segment [Member] | Pass [Member] | Real Estate Secured By 1st Lein on 1-4 Family Properties-Business [Member]
Financing Receivable Recorded Investment [Line Items]
2023	2,170
2022	28,943
2021	21,342
2020	11,431
2019	9,148
Prior	22,722
Revolving	0
Total	95,756
Commercial Portfolio Segment [Member] | Pass [Member] | Real Estate Secured By Junior Lein on 1-4 Family Properties-Business [Member]
Financing Receivable Recorded Investment [Line Items]
2023	306
2022	632
2021	567
2020	633
2019	45
Prior	1,006
Revolving	0
Total	3,189
Commercial Portfolio Segment [Member] | Pass [Member] | State and Political Subdivisions [Member]
Financing Receivable Recorded Investment [Line Items]
2023	0
2022	40
2021	5,017
2020	25
2019	5,931
Prior	9,065
Revolving	0
Total	20,078
Commercial Portfolio Segment [Member] | Pass [Member] | Construction Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Total		62,955
Commercial Portfolio Segment [Member] | Pass [Member] | Secured by Commercial Real Estate [Member]
Financing Receivable Recorded Investment [Line Items]
Total		505,657
Commercial Portfolio Segment [Member] | Pass [Member] | Secured by Residential Real Estate [Member]
Financing Receivable Recorded Investment [Line Items]
Total		102,295
Commercial Portfolio Segment [Member] | Special Mention [Member]
Financing Receivable Recorded Investment [Line Items]
2023	0
2022	193
2021	266
2020	0
2019	718
Prior	1,784
Revolving	28
Total	2,989
Commercial Portfolio Segment [Member] | Special Mention [Member] | Commercial and Industrial [Member]
Financing Receivable Recorded Investment [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	28
Total	28	23
Commercial Portfolio Segment [Member] | Special Mention [Member] | Construction and Land Development [Member]
Financing Receivable Recorded Investment [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	49
Revolving	0
Total	49
Commercial Portfolio Segment [Member] | Special Mention [Member] | Real Estate Secured by Multi-Family Properties [Member]
Financing Receivable Recorded Investment [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	718
Prior	1,735
Revolving	0
Total	2,453
Commercial Portfolio Segment [Member] | Special Mention [Member] | Real Estate Secured By Owner-Occupied Properties [Member]
Financing Receivable Recorded Investment [Line Items]
2023	0
2022	0
2021	127
2020	0
2019	0
Prior	0
Revolving	0
Total	127
Commercial Portfolio Segment [Member] | Special Mention [Member] | Real Estate Secured by Other Commercial Properties [Member]
Financing Receivable Recorded Investment [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Total	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]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Total	0
Commercial Portfolio Segment [Member] | Special Mention [Member] | Real Estate Secured By 1st Lein on 1-4 Family Properties-Business [Member]
Financing Receivable Recorded Investment [Line Items]
2023	0
2022	193
2021	139
2020	0
2019	0
Prior	0
Revolving	0
Total	332
Commercial Portfolio Segment [Member] | Special Mention [Member] | Real Estate Secured By Junior Lein on 1-4 Family Properties-Business [Member]
Financing Receivable Recorded Investment [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Total	0
Commercial Portfolio Segment [Member] | Special Mention [Member] | State and Political Subdivisions [Member]
Financing Receivable Recorded Investment [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Total	0
Commercial Portfolio Segment [Member] | Special Mention [Member] | Construction Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Total		0
Commercial Portfolio Segment [Member] | Special Mention [Member] | Secured by Commercial Real Estate [Member]
Financing Receivable Recorded Investment [Line Items]
Total		2,597
Commercial Portfolio Segment [Member] | Special Mention [Member] | Secured by Residential Real Estate [Member]
Financing Receivable Recorded Investment [Line Items]
Total		194
Commercial Portfolio Segment [Member] | Substandard [Member]
Financing Receivable Recorded Investment [Line Items]
2023	0
2022	179
2021	6
2020	4
2019	479
Prior	11,431
Revolving	1,480
Total	13,579
Commercial Portfolio Segment [Member] | Substandard [Member] | Commercial and Industrial [Member]
Financing Receivable Recorded Investment [Line Items]
2023	0
2022	179
2021	0
2020	4
2019	24
Prior	242
Revolving	1,480
Total	1,929	2,938
Commercial Portfolio Segment [Member] | Substandard [Member] | Construction and Land Development [Member]
Financing Receivable Recorded Investment [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Total	0
Commercial Portfolio Segment [Member] | Substandard [Member] | Real Estate Secured by Multi-Family Properties [Member]
Financing Receivable Recorded Investment [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Total	0
Commercial Portfolio Segment [Member] | Substandard [Member] | Real Estate Secured By Owner-Occupied Properties [Member]
Financing Receivable Recorded Investment [Line Items]
2023	0
2022	0
2021	6
2020	0
2019	0
Prior	6,631
Revolving	0
Total	6,637
Commercial Portfolio Segment [Member] | Substandard [Member] | Real Estate Secured by Other Commercial Properties [Member]
Financing Receivable Recorded Investment [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	4,130
Revolving	0
Total	4,130
Commercial Portfolio Segment [Member] | Substandard [Member] | Revolving Real Estate Secured By 1-4 Family Properties-Business [Member]
Financing Receivable Recorded Investment [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Total	0
Commercial Portfolio Segment [Member] | Substandard [Member] | Real Estate Secured By 1st Lein on 1-4 Family Properties-Business [Member]
Financing Receivable Recorded Investment [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	455
Prior	160
Revolving	0
Total	615
Commercial Portfolio Segment [Member] | Substandard [Member] | Real Estate Secured By Junior Lein on 1-4 Family Properties-Business [Member]
Financing Receivable Recorded Investment [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	268
Revolving	0
Total	268
Commercial Portfolio Segment [Member] | Substandard [Member] | State and Political Subdivisions [Member]
Financing Receivable Recorded Investment [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Total	0
Commercial Portfolio Segment [Member] | Substandard [Member] | Construction Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Total		0
Commercial Portfolio Segment [Member] | Substandard [Member] | Secured by Commercial Real Estate [Member]
Financing Receivable Recorded Investment [Line Items]
Total		9,816
Commercial Portfolio Segment [Member] | Substandard [Member] | Secured by Residential Real Estate [Member]
Financing Receivable Recorded Investment [Line Items]
Total		930
Commercial Portfolio Segment [Member] | Doubtful [Member]
Financing Receivable Recorded Investment [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Total	0
Commercial Portfolio Segment [Member] | Doubtful [Member] | Commercial and Industrial [Member]
Financing Receivable Recorded Investment [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Total	0	0
Commercial Portfolio Segment [Member] | Doubtful [Member] | Construction and Land Development [Member]
Financing Receivable Recorded Investment [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Total	0
Commercial Portfolio Segment [Member] | Doubtful [Member] | Real Estate Secured by Multi-Family Properties [Member]
Financing Receivable Recorded Investment [Line Items]
2023	0
2022	0
2021	0
2020	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]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Total	0
Commercial Portfolio Segment [Member] | Doubtful [Member] | Real Estate Secured by Other Commercial Properties [Member]
Financing Receivable Recorded Investment [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Total	0
Commercial Portfolio Segment [Member] | Doubtful [Member] | Revolving Real Estate Secured By 1-4 Family Properties-Business [Member]
Financing Receivable Recorded Investment [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Total	0
Commercial Portfolio Segment [Member] | Doubtful [Member] | Real Estate Secured By 1st Lein on 1-4 Family Properties-Business [Member]
Financing Receivable Recorded Investment [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Total	0
Commercial Portfolio Segment [Member] | Doubtful [Member] | Real Estate Secured By Junior Lein on 1-4 Family Properties-Business [Member]
Financing Receivable Recorded Investment [Line Items]
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Total	0
Commercial Portfolio Segment [Member] | Doubtful [Member] | State and Political Subdivisions [Member]
Financing Receivable Recorded Investment [Line Items]
2023	0
2022	0
2021	0
2020	0
2019	0
Prior	0
Revolving	0
Total	$ 0
Commercial Portfolio Segment [Member] | Doubtful [Member] | Construction Loans [Member]
Financing Receivable Recorded Investment [Line Items]
Total		0
Commercial Portfolio Segment [Member] | Doubtful [Member] | Secured by Commercial Real Estate [Member]
Financing Receivable Recorded Investment [Line Items]
Total		0
Commercial Portfolio Segment [Member] | Doubtful [Member] | Secured by Residential Real Estate [Member]
Financing Receivable Recorded Investment [Line Items]
Total		0
State and Political Subdivisions Portfolio Segment [Member]
Financing Receivable Recorded Investment [Line Items]
Total		20,971
State and Political Subdivisions Portfolio Segment [Member] | Pass [Member]
Financing Receivable Recorded Investment [Line Items]
Total		20,971
State and Political Subdivisions Portfolio Segment [Member] | Special Mention [Member]
Financing Receivable Recorded Investment [Line Items]
Total		0
State and Political Subdivisions Portfolio Segment [Member] | Substandard [Member]
Financing Receivable Recorded Investment [Line Items]
Total		0
State and Political Subdivisions Portfolio Segment [Member] | Doubtful [Member]
Financing Receivable Recorded Investment [Line Items]
Total		$ 0