Note 2 - Loans and Allowance for Credit Losses - Credit Quality Indicators (Details) - USD ($) $ in Thousands	6 Months Ended		12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Originated five years prior	$ 262,601
Originated four years prior	49,923
Originated three years prior	98,763
Originated two years prior	198,822
Originated current year	147,995
Originated years prior	42,368
Revolving	46,355
Revolving loans converted to term	112
Gross loans	846,939		$ 853,193
Originated five years prior, write offs	0
Originated four years prior, write offs	11
Originated three years prior, write offs	17
Originated two years prior, write offs	18
Originated current year, write offs	56
Originated years prior, write offs	0
Revolving, write offs	58
Revolving loans converted to term, write offs	0
YTD gross charge-offs	160	$ 135	367
Loans, Collectively evaluated	836,214
Pass [Member]
Originated five years prior	252,483
Originated four years prior	49,923
Originated three years prior	98,763
Originated two years prior	198,529
Originated current year	147,981
Originated years prior	42,368
Revolving	46,055
Revolving loans converted to term	112
Gross loans	836,214
Loans, Collectively evaluated			848,768
Special Mention [Member]
Originated five years prior	6,396
Originated four years prior	0
Originated three years prior	0
Originated two years prior	0
Originated current year	0
Originated years prior	0
Revolving	0
Revolving loans converted to term	0
Gross loans	6,396
Loans, Collectively evaluated			0
Classified Excluding Impaired [Member]
Originated five years prior	3,722
Originated four years prior	0
Originated three years prior	0
Originated two years prior	293
Originated current year	14
Originated years prior	0
Revolving	300
Revolving loans converted to term	0
Gross loans	4,329
Loans, Collectively evaluated			1,393
Real Estate Construction Portfolio Segment[Member]
Gross loans	56,984		54,579
YTD gross charge-offs	(0)	(0)	(0)
Loans, Collectively evaluated	56,691		54,579
Real Estate Construction Portfolio Segment[Member] | Construction Residential [Member]
Originated five years prior	0
Originated four years prior	0
Originated three years prior	233
Originated two years prior	703
Originated current year	4,294
Originated years prior	1,462
Revolving	7,402
Revolving loans converted to term	0
Gross loans	14,094
Real Estate Construction Portfolio Segment[Member] | Construction Residential [Member] | Pass [Member]
Originated five years prior	0
Originated four years prior	0
Originated three years prior	233
Originated two years prior	703
Originated current year	4,294
Originated years prior	1,462
Revolving	7,402
Revolving loans converted to term	0
Gross loans	14,094
Real Estate Construction Portfolio Segment[Member] | Construction Residential [Member] | Classified Excluding Impaired [Member]
Originated five years prior	0
Originated four years prior	0
Originated three years prior	0
Originated two years prior	0
Originated current year	0
Originated years prior	0
Revolving	0
Revolving loans converted to term	0
Gross loans	0
Real Estate Construction Portfolio Segment[Member] | Construction, 1-4 Family Residential [Member]
Gross loans	14,094		12,538
Real Estate Construction Portfolio Segment[Member] | Construction, 1-4 Family Residential [Member] | Pass [Member]
Loans, Collectively evaluated			12,538
Real Estate Construction Portfolio Segment[Member] | Construction, 1-4 Family Residential [Member] | Special Mention [Member]
Loans, Collectively evaluated			0
Real Estate Construction Portfolio Segment[Member] | Construction, 1-4 Family Residential [Member] | Classified Excluding Impaired [Member]
Loans, Collectively evaluated			0
Real Estate Construction Portfolio Segment[Member] | Construction, Other [Member]
Originated five years prior	3,254
Originated four years prior	1,201
Originated three years prior	1,450
Originated two years prior	24,863
Originated current year	7,247
Originated years prior	3,560
Revolving	1,315
Revolving loans converted to term	0
Gross loans	42,890		42,041
Real Estate Construction Portfolio Segment[Member] | Construction, Other [Member] | Pass [Member]
Originated five years prior	3,254
Originated four years prior	1,201
Originated three years prior	1,450
Originated two years prior	24,570
Originated current year	7,247
Originated years prior	3,560
Revolving	1,315
Revolving loans converted to term	0
Gross loans	42,597
Loans, Collectively evaluated			41,741
Real Estate Construction Portfolio Segment[Member] | Construction, Other [Member] | Special Mention [Member]
Loans, Collectively evaluated			0
Real Estate Construction Portfolio Segment[Member] | Construction, Other [Member] | Classified Excluding Impaired [Member]
Originated five years prior	0
Originated four years prior	0
Originated three years prior	0
Originated two years prior	293
Originated current year	0
Originated years prior	0
Revolving	0
Revolving loans converted to term	0
Gross loans	293
Loans, Collectively evaluated			300
Consumer Real Estate Portfolio Segment [Member]
Gross loans	226,453		221,052
YTD gross charge-offs	17	(0)	13
Loans, Collectively evaluated	225,424		220,866
Consumer Real Estate Portfolio Segment [Member] | Equity Lines [Member]
Originated five years prior	55
Originated four years prior	0
Originated three years prior	0
Originated two years prior	0
Originated current year	0
Revolving	15,294
Revolving loans converted to term	13
Gross loans	15,362		15,026
Consumer Real Estate Portfolio Segment [Member] | Equity Lines [Member] | Pass [Member]
Originated five years prior	55
Originated four years prior	0
Originated three years prior	0
Originated two years prior	0
Originated current year	0
Originated years prior	0
Revolving	15,294
Revolving loans converted to term	13
Gross loans	15,362
Loans, Collectively evaluated			15,026
Consumer Real Estate Portfolio Segment [Member] | Equity Lines [Member] | Special Mention [Member]
Loans, Collectively evaluated			0
Consumer Real Estate Portfolio Segment [Member] | Equity Lines [Member] | Classified Excluding Impaired [Member]
Originated five years prior	0
Originated four years prior	0
Originated three years prior	0
Originated two years prior	0
Originated current year	0
Originated years prior	0
Revolving	0
Revolving loans converted to term	0
Gross loans	0
Loans, Collectively evaluated			0
Consumer Real Estate Portfolio Segment [Member] | Closed End First Liens [Member]
Originated five years prior	34,532
Originated four years prior	6,023
Originated three years prior	14,971
Originated two years prior	32,396
Originated current year	29,086
Originated years prior	7,433
Revolving	0
Revolving loans converted to term	0
Gross loans	124,441		122,648
Originated five years prior, write offs	0
Originated four years prior, write offs	0
Originated three years prior, write offs	17
Originated two years prior, write offs	0
Originated current year, write offs	0
Originated years prior, write offs	0
Revolving, write offs	0
Revolving loans converted to term, write offs	0
YTD gross charge-offs	17
Consumer Real Estate Portfolio Segment [Member] | Closed End First Liens [Member] | Pass [Member]
Originated five years prior	34,228
Originated four years prior	6,023
Originated three years prior	14,971
Originated two years prior	32,396
Originated current year	29,086
Originated years prior	7,433
Revolving	0
Revolving loans converted to term	0
Gross loans	124,137
Loans, Collectively evaluated			122,187
Consumer Real Estate Portfolio Segment [Member] | Closed End First Liens [Member] | Special Mention [Member]
Loans, Collectively evaluated			0
Consumer Real Estate Portfolio Segment [Member] | Closed End First Liens [Member] | Classified Excluding Impaired [Member]
Originated five years prior	304
Originated four years prior	0
Originated three years prior	0
Originated two years prior	0
Originated current year	0
Originated years prior	0
Revolving	0
Revolving loans converted to term	0
Gross loans	304
Loans, Collectively evaluated			461
Consumer Real Estate Portfolio Segment [Member] | Closed End Junior Liens [Member]
Originated five years prior	1,847
Originated four years prior	120
Originated three years prior	0
Originated two years prior	178
Originated current year	401
Originated years prior	1,539
Revolving	0
Revolving loans converted to term	0
Gross loans	4,085		2,446
Consumer Real Estate Portfolio Segment [Member] | Closed End Junior Liens [Member] | Pass [Member]
Originated five years prior	1,847
Originated four years prior	120
Originated three years prior	0
Originated two years prior	178
Originated current year	401
Originated years prior	1,539
Revolving	0
Revolving loans converted to term	0
Gross loans	4,085
Loans, Collectively evaluated			2,446
Consumer Real Estate Portfolio Segment [Member] | Closed End Junior Liens [Member] | Special Mention [Member]
Loans, Collectively evaluated			0
Consumer Real Estate Portfolio Segment [Member] | Closed End Junior Liens [Member] | Classified Excluding Impaired [Member]
Originated five years prior	0
Originated four years prior	0
Originated three years prior	0
Originated two years prior	0
Originated current year	0
Originated years prior	0
Revolving	0
Revolving loans converted to term	0
Gross loans	0
Loans, Collectively evaluated			0
Consumer Real Estate Portfolio Segment [Member] | Investor Owned Residential Real Estate [Member]
Originated five years prior	24,452
Originated four years prior	5,308
Originated three years prior	14,842
Originated two years prior	20,230
Originated current year	14,127
Originated years prior	2,210
Revolving	1,297
Revolving loans converted to term	99
Gross loans	82,565		80,932
Consumer Real Estate Portfolio Segment [Member] | Investor Owned Residential Real Estate [Member] | Pass [Member]
Originated five years prior	23,727
Originated four years prior	5,308
Originated three years prior	14,842
Originated two years prior	20,230
Originated current year	14,127
Originated years prior	2,210
Revolving	1,297
Revolving loans converted to term	99
Gross loans	81,840
Loans, Collectively evaluated			80,143
Consumer Real Estate Portfolio Segment [Member] | Investor Owned Residential Real Estate [Member] | Special Mention [Member]
Loans, Collectively evaluated			0
Consumer Real Estate Portfolio Segment [Member] | Investor Owned Residential Real Estate [Member] | Classified Excluding Impaired [Member]
Originated five years prior	725
Originated four years prior	0
Originated three years prior	0
Originated two years prior	0
Originated current year	0
Originated years prior	0
Revolving	0
Revolving loans converted to term	0
Gross loans	725
Loans, Collectively evaluated			603
Commercial Real Estate Portfolio Segment [Member]
Gross loans	423,396		437,888
YTD gross charge-offs	(0)	(0)	(0)
Loans, Collectively evaluated	414,549		435,305
Commercial Real Estate Portfolio Segment [Member] | Multifamily Real Estate [Member]
Originated five years prior	43,414
Originated four years prior	1,839
Originated three years prior	11,910
Originated two years prior	41,134
Originated current year	27,216
Originated years prior	5,679
Revolving	0
Revolving loans converted to term	0
Gross loans	131,192		127,312
Commercial Real Estate Portfolio Segment [Member] | Multifamily Real Estate [Member] | Pass [Member]
Originated five years prior	43,414
Originated four years prior	1,839
Originated three years prior	11,910
Originated two years prior	41,134
Originated current year	27,216
Originated years prior	5,679
Revolving	0
Revolving loans converted to term	0
Gross loans	131,192
Loans, Collectively evaluated			127,312
Commercial Real Estate Portfolio Segment [Member] | Multifamily Real Estate [Member] | Special Mention [Member]
Loans, Collectively evaluated			0
Commercial Real Estate Portfolio Segment [Member] | Multifamily Real Estate [Member] | Classified Excluding Impaired [Member]
Originated five years prior	0
Originated four years prior	0
Originated three years prior	0
Originated two years prior	0
Originated current year	0
Originated years prior	0
Revolving	0
Revolving loans converted to term	0
Gross loans	0
Loans, Collectively evaluated			0
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Owner Occupied [Member]
Originated five years prior	54,725
Originated four years prior	11,389
Originated three years prior	23,909
Originated two years prior	4,978
Originated current year	16,843
Originated years prior	3,751
Revolving	2,749
Revolving loans converted to term	0
Gross loans	118,344		129,133
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Owner Occupied [Member] | Pass [Member]
Originated five years prior	45,878
Originated four years prior	11,389
Originated three years prior	23,909
Originated two years prior	4,978
Originated current year	16,843
Originated years prior	3,751
Revolving	2,749
Revolving loans converted to term	0
Gross loans	109,497
Loans, Collectively evaluated			126,550
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Owner Occupied [Member] | Special Mention [Member]
Originated five years prior	6,396
Originated four years prior	0
Originated three years prior	0
Originated two years prior	0
Originated current year	0
Originated years prior	0
Revolving	0
Revolving loans converted to term	0
Gross loans	6,396
Loans, Collectively evaluated			0
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate, Owner Occupied [Member] | Classified Excluding Impaired [Member]
Originated five years prior	2,451
Originated four years prior	0
Originated three years prior	0
Originated two years prior	0
Originated current year	0
Originated years prior	0
Revolving	0
Revolving loans converted to term	0
Gross loans	2,451
Loans, Collectively evaluated			0
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Other [Member]
Originated five years prior	71,694
Originated four years prior	22,223
Originated three years prior	19,489
Originated two years prior	36,621
Originated current year	22,906
Originated years prior	356
Revolving	571
Revolving loans converted to term	0
Gross loans	173,860		181,443
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Other [Member] | Pass [Member]
Originated five years prior	71,694
Originated four years prior	22,223
Originated three years prior	19,489
Originated two years prior	36,621
Originated current year	22,906
Originated years prior	356
Revolving	571
Revolving loans converted to term	0
Gross loans	173,860
Loans, Collectively evaluated			181,443
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Other [Member] | Special Mention [Member]
Loans, Collectively evaluated			0
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Other [Member] | Classified Excluding Impaired [Member]
Originated five years prior	0
Originated four years prior	0
Originated three years prior	0
Originated two years prior	0
Originated current year	0
Originated years prior	0
Revolving	0
Revolving loans converted to term	0
Gross loans	0
Loans, Collectively evaluated			0
Commercial Non Real Estate Segment [Member]
Gross loans	56,079		57,652
YTD gross charge-offs	11	2	2
Loans, Collectively evaluated	55,531		57,389
Commercial Non Real Estate Segment [Member] | Commercial and Industrial [Member]
Originated five years prior	6,761
Originated four years prior	925
Originated three years prior	9,708
Originated two years prior	14,654
Originated current year	7,941
Originated years prior	4,093
Revolving	11,997
Revolving loans converted to term	0
Gross loans	56,079		57,652
Originated five years prior, write offs	0
Originated four years prior, write offs	11
Originated three years prior, write offs	0
Originated two years prior, write offs	0
Originated current year, write offs	0
Originated years prior, write offs	0
Revolving, write offs	0
Revolving loans converted to term, write offs	0
YTD gross charge-offs	11
Commercial Non Real Estate Segment [Member] | Commercial and Industrial [Member] | Pass [Member]
Originated five years prior	6,519
Originated four years prior	925
Originated three years prior	9,708
Originated two years prior	14,654
Originated current year	7,935
Originated years prior	4,093
Revolving	11,697
Revolving loans converted to term	0
Gross loans	55,531
Loans, Collectively evaluated			57,381
Commercial Non Real Estate Segment [Member] | Commercial and Industrial [Member] | Special Mention [Member]
Loans, Collectively evaluated			0
Commercial Non Real Estate Segment [Member] | Commercial and Industrial [Member] | Classified Excluding Impaired [Member]
Originated five years prior	242
Originated four years prior	0
Originated three years prior	0
Originated two years prior	0
Originated current year	6
Originated years prior	0
Revolving	300
Revolving loans converted to term	0
Gross loans	548
Loans, Collectively evaluated			8
States Political Subdivisions [Member] | Pass [Member]
Loans, Collectively evaluated			48,074
States Political Subdivisions [Member] | Special Mention [Member]
Loans, Collectively evaluated			0
States Political Subdivisions [Member] | Classified Excluding Impaired [Member]
Loans, Collectively evaluated			0
Consumer Non Real Estate Portfolio Segment [Member]
Gross loans	36,236		33,948
YTD gross charge-offs	132	133	352
Loans, Collectively evaluated	36,228		33,948
Consumer Non Real Estate Portfolio Segment [Member] | Credit Card Receivable [Member]
Originated five years prior	0
Originated four years prior	0
Originated three years prior	0
Originated two years prior	0
Originated current year	0
Originated years prior	0
Revolving	4,653
Revolving loans converted to term	0
Gross loans	4,653		4,597
Originated five years prior, write offs	0
Originated four years prior, write offs	0
Originated three years prior, write offs	0
Originated two years prior, write offs	0
Originated current year, write offs	0
Originated years prior, write offs	0
Revolving, write offs	19
Revolving loans converted to term, write offs	0
YTD gross charge-offs	19
Consumer Non Real Estate Portfolio Segment [Member] | Credit Card Receivable [Member] | Pass [Member]
Originated five years prior	0
Originated four years prior	0
Originated three years prior	0
Originated two years prior	0
Originated current year	0
Originated years prior	0
Revolving	4,653
Revolving loans converted to term	0
Gross loans	4,653
Loans, Collectively evaluated			4,597
Consumer Non Real Estate Portfolio Segment [Member] | Credit Card Receivable [Member] | Special Mention [Member]
Loans, Collectively evaluated			0
Consumer Non Real Estate Portfolio Segment [Member] | Credit Card Receivable [Member] | Classified Excluding Impaired [Member]
Originated five years prior	0
Originated four years prior	0
Originated three years prior	0
Originated two years prior	0
Originated current year	0
Originated years prior	0
Revolving	0
Revolving loans converted to term	0
Gross loans	0
Loans, Collectively evaluated			0
Consumer Non Real Estate Portfolio Segment [Member] | Automobile Loan [Member]
Originated five years prior	127
Originated four years prior	397
Originated three years prior	890
Originated two years prior	2,153
Originated current year	3,621
Originated years prior	4,385
Revolving	0
Revolving loans converted to term	0
Gross loans	11,573		9,935
Originated five years prior, write offs	0
Originated four years prior, write offs	0
Originated three years prior, write offs	0
Originated two years prior, write offs	1
Originated current year, write offs	31
Originated years prior, write offs	0
Revolving, write offs	0
Revolving loans converted to term, write offs	0
YTD gross charge-offs	32
Consumer Non Real Estate Portfolio Segment [Member] | Automobile Loan [Member] | Pass [Member]
Originated five years prior	127
Originated four years prior	397
Originated three years prior	890
Originated two years prior	2,153
Originated current year	3,613
Originated years prior	4,385
Revolving	0
Revolving loans converted to term	0
Gross loans	11,565
Loans, Collectively evaluated			9,932
Consumer Non Real Estate Portfolio Segment [Member] | Automobile Loan [Member] | Special Mention [Member]
Loans, Collectively evaluated			0
Consumer Non Real Estate Portfolio Segment [Member] | Automobile Loan [Member] | Classified Excluding Impaired [Member]
Originated five years prior	0
Originated four years prior	0
Originated three years prior	0
Originated two years prior	0
Originated current year	8
Originated years prior	0
Revolving	0
Revolving loans converted to term	0
Gross loans	8
Loans, Collectively evaluated			3
Consumer Non Real Estate Portfolio Segment [Member] | Other Consumer Loans [Member]
Originated five years prior	150
Originated four years prior	465
Originated three years prior	1,118
Originated two years prior	2,653
Originated current year	7,773
Originated years prior	6,774
Revolving	1,077
Revolving loans converted to term	0
Gross loans	20,010		19,416
Originated five years prior, write offs	0
Originated four years prior, write offs	0
Originated three years prior, write offs	0
Originated two years prior, write offs	17
Originated current year, write offs	25
Originated years prior, write offs	0
Revolving, write offs	39
Revolving loans converted to term, write offs	0
YTD gross charge-offs	81
Consumer Non Real Estate Portfolio Segment [Member] | Other Consumer Loans [Member] | Pass [Member]
Originated five years prior	150
Originated four years prior	465
Originated three years prior	1,118
Originated two years prior	2,653
Originated current year	7,773
Originated years prior	6,774
Revolving	1,077
Revolving loans converted to term	0
Gross loans	20,010
Loans, Collectively evaluated			19,398
Consumer Non Real Estate Portfolio Segment [Member] | Other Consumer Loans [Member] | Special Mention [Member]
Loans, Collectively evaluated			0
Consumer Non Real Estate Portfolio Segment [Member] | Other Consumer Loans [Member] | Classified Excluding Impaired [Member]
Originated five years prior	0
Originated four years prior	0
Originated three years prior	0
Originated two years prior	0
Originated current year	0
Originated years prior	0
Revolving	0
Revolving loans converted to term	0
Gross loans	0
Loans, Collectively evaluated			18
Public Sector and IDA Portfolio Segment[Member]
Originated five years prior	21,590
Originated four years prior	33
Originated three years prior	243
Originated two years prior	18,259
Originated current year	6,540
Originated years prior	1,126
Revolving	0
Revolving loans converted to term	0
Gross loans	47,791		48,074
YTD gross charge-offs	(0)	$ (0)	(0)
Loans, Collectively evaluated	47,791		$ 48,074
Public Sector and IDA Portfolio Segment[Member] | Pass [Member]
Originated five years prior	21,590
Originated four years prior	33
Originated three years prior	243
Originated two years prior	18,259
Originated current year	6,540
Originated years prior	1,126
Revolving	0
Revolving loans converted to term	0
Gross loans	47,791
Public Sector and IDA Portfolio Segment[Member] | Classified Excluding Impaired [Member]
Originated five years prior	0
Originated four years prior	0
Originated three years prior	0
Originated two years prior	0
Originated current year	0
Originated years prior	0
Revolving	0
Revolving loans converted to term	0
Gross loans	$ 0