Note 3 - Loans and Allowance for Credit Losses - Aging Analysis of Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Loans	$ 2,175,973	$ 2,125,084	$ 2,210,619
Financial Asset, Not Past Due [Member]
Loans	2,161,341	2,112,995
Financial Asset, 30 to 59 Days Past Due [Member]
Loans	4,798	5,895
Financial Asset, 60 to 89 Days Past Due [Member]
Loans	4,086	1,437
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	5,748	4,757
Greater Than Ninety Days and Accruing [Member]
Loans	2	2
Real Estate Portfolio Segment [Member]
Loans	1,571,279	1,587,469
Real Estate Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Loans	1,557,067	1,576,289
Real Estate Portfolio Segment [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans	4,498	5,744
Real Estate Portfolio Segment [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans	4,001	1,102
Real Estate Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	5,713	4,334
Real Estate Portfolio Segment [Member] \| Greater Than Ninety Days and Accruing [Member]
Loans	0	0
Real Estate Portfolio Segment [Member] \| Construction Loans [Member]
Loans	147,980	154,553	190,371
Real Estate Portfolio Segment [Member] \| Construction Loans [Member] \| Financial Asset, Not Past Due [Member]
Loans	147,862	154,461
Real Estate Portfolio Segment [Member] \| Construction Loans [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans	56	86
Real Estate Portfolio Segment [Member] \| Construction Loans [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans	19	0
Real Estate Portfolio Segment [Member] \| Construction Loans [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	43	6
Real Estate Portfolio Segment [Member] \| Construction Loans [Member] \| Greater Than Ninety Days and Accruing [Member]
Loans	0	0
Real Estate Portfolio Segment [Member] \| 1-4 Family [Member]
Loans	376,238	396,815	413,786
Real Estate Portfolio Segment [Member] \| 1-4 Family [Member] \| Financial Asset, Not Past Due [Member]
Loans	365,725	387,782
Real Estate Portfolio Segment [Member] \| 1-4 Family [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans	4,442	5,200
Real Estate Portfolio Segment [Member] \| 1-4 Family [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans	1,950	1,054
Real Estate Portfolio Segment [Member] \| 1-4 Family [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	4,121	2,779
Real Estate Portfolio Segment [Member] \| 1-4 Family [Member] \| Greater Than Ninety Days and Accruing [Member]
Loans	0	0
Real Estate Portfolio Segment [Member] \| Multifamily Loans [Member]
Loans	130,005	84,576	105,946
Real Estate Portfolio Segment [Member] \| Multifamily Loans [Member] \| Financial Asset, Not Past Due [Member]
Loans	130,005	84,576
Real Estate Portfolio Segment [Member] \| Multifamily Loans [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans	0	0
Real Estate Portfolio Segment [Member] \| Multifamily Loans [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans	0	0
Real Estate Portfolio Segment [Member] \| Multifamily Loans [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	0	0
Real Estate Portfolio Segment [Member] \| Multifamily Loans [Member] \| Greater Than Ninety Days and Accruing [Member]
Loans	0	0
Real Estate Portfolio Segment [Member] \| Farmland [Member]
Loans	4,788	6,977	7,651
Real Estate Portfolio Segment [Member] \| Farmland [Member] \| Financial Asset, Not Past Due [Member]
Loans	4,788	6,977
Real Estate Portfolio Segment [Member] \| Farmland [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans	0	0
Real Estate Portfolio Segment [Member] \| Farmland [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans	0	0
Real Estate Portfolio Segment [Member] \| Farmland [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	0	0
Real Estate Portfolio Segment [Member] \| Farmland [Member] \| Greater Than Ninety Days and Accruing [Member]
Loans	0	0
Real Estate Portfolio Segment [Member] \| Commercial Real Estate [Member]
Loans	912,268	944,548
Real Estate Portfolio Segment [Member] \| Commercial Real Estate [Member] \| Financial Asset, Not Past Due [Member]
Loans	908,687	942,493
Real Estate Portfolio Segment [Member] \| Commercial Real Estate [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans	0	458
Real Estate Portfolio Segment [Member] \| Commercial Real Estate [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans	2,032	48
Real Estate Portfolio Segment [Member] \| Commercial Real Estate [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	1,549	1,549
Real Estate Portfolio Segment [Member] \| Commercial Real Estate [Member] \| Greater Than Ninety Days and Accruing [Member]
Loans	0	0
Commercial Portfolio Segment [Member]
Loans	595,263	526,928	543,421
Commercial Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Loans	594,886	526,329
Commercial Portfolio Segment [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans	291	64
Commercial Portfolio Segment [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans	81	270
Commercial Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	5	265
Commercial Portfolio Segment [Member] \| Greater Than Ninety Days and Accruing [Member]
Loans	2	0
Consumer Portfolio Segment [Member]
Loans	9,431	10,687	$ 11,736
Consumer Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Loans	9,388	10,377
Consumer Portfolio Segment [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans	9	87
Consumer Portfolio Segment [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans	4	65
Consumer Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans	30	158
Consumer Portfolio Segment [Member] \| Greater Than Ninety Days and Accruing [Member]
Loans	$ 0	$ 2

Note 3 - Loans and Allowance for Credit Losses - Aging Analysis of Loans (Details) - USD ($)
$ in Thousands

Dec. 31, 2025

Dec. 31, 2024

Dec. 31, 2023

Loans

$ 2,175,973

$ 2,125,084

$ 2,210,619

Financial Asset, Not Past Due [Member]

Loans

2,161,341

2,112,995