Note 3 - Loans Receivable - Segments of the Loan Portfolio by Aging Categories (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Total Gross Loans	$ 1,874,042	$ 1,865,315
Financial Asset, 30 to 59 Days Past Due [Member]
Total Gross Loans	12,046	24,756
Financial Asset, 60 to 89 Days Past Due [Member]
Total Gross Loans	5,782	8,524
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Total Gross Loans	0	0
Financial Asset, Past Due [Member]
Total Gross Loans	53,751	31,482
Financial Asset, Not Past Due [Member]
Total Gross Loans	1,802,463	1,800,553
Residential Portfolio Segment [Member] \| Single Family [Member]
Total Gross Loans	214,371	215,979
Residential Portfolio Segment [Member] \| Single Family [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Total Gross Loans	4,761	3,096
Residential Portfolio Segment [Member] \| Single Family [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Total Gross Loans	4,170	5,392
Residential Portfolio Segment [Member] \| Single Family [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Total Gross Loans	0	0
Residential Portfolio Segment [Member] \| Single Family [Member] \| Financial Asset, Past Due [Member]
Total Gross Loans	4,300	5,316
Residential Portfolio Segment [Member] \| Single Family [Member] \| Financial Asset, Not Past Due [Member]
Total Gross Loans	201,140	202,175
Residential Portfolio Segment [Member] \| Multifamily [Member]
Total Gross Loans	233,797	225,420
Residential Portfolio Segment [Member] \| Multifamily [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Total Gross Loans	6,180	0
Residential Portfolio Segment [Member] \| Multifamily [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Total Gross Loans	0	3,132
Residential Portfolio Segment [Member] \| Multifamily [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Total Gross Loans	0	0
Residential Portfolio Segment [Member] \| Multifamily [Member] \| Financial Asset, Past Due [Member]
Total Gross Loans	3,700	0
Residential Portfolio Segment [Member] \| Multifamily [Member] \| Financial Asset, Not Past Due [Member]
Total Gross Loans	223,917	222,288
Residential Portfolio Segment [Member] \| Farmland [Member]
Total Gross Loans	122	179
Residential Portfolio Segment [Member] \| Farmland [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Total Gross Loans	0	0
Residential Portfolio Segment [Member] \| Farmland [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Total Gross Loans	0	0
Residential Portfolio Segment [Member] \| Farmland [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Total Gross Loans	0	0
Residential Portfolio Segment [Member] \| Farmland [Member] \| Financial Asset, Past Due [Member]
Total Gross Loans	0	0
Residential Portfolio Segment [Member] \| Farmland [Member] \| Financial Asset, Not Past Due [Member]
Total Gross Loans	122	179
Commercial Real Estate Portfolio Segment [Member] \| Owner-occupied [Member]
Total Gross Loans	459,733	448,539
Commercial Real Estate Portfolio Segment [Member] \| Owner-occupied [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Total Gross Loans	0	4,754
Commercial Real Estate Portfolio Segment [Member] \| Owner-occupied [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Total Gross Loans	0	0
Commercial Real Estate Portfolio Segment [Member] \| Owner-occupied [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Total Gross Loans	0	0
Commercial Real Estate Portfolio Segment [Member] \| Owner-occupied [Member] \| Financial Asset, Past Due [Member]
Total Gross Loans	4,736	0
Commercial Real Estate Portfolio Segment [Member] \| Owner-occupied [Member] \| Financial Asset, Not Past Due [Member]
Total Gross Loans	454,997	443,785
Commercial Real Estate Portfolio Segment [Member] \| Non-owner Occupied [Member]
Total Gross Loans	564,962	566,393
Commercial Real Estate Portfolio Segment [Member] \| Non-owner Occupied [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Total Gross Loans	0	14,923
Commercial Real Estate Portfolio Segment [Member] \| Non-owner Occupied [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Total Gross Loans	0	0
Commercial Real Estate Portfolio Segment [Member] \| Non-owner Occupied [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Total Gross Loans	0	0
Commercial Real Estate Portfolio Segment [Member] \| Non-owner Occupied [Member] \| Financial Asset, Past Due [Member]
Total Gross Loans	15,237	314
Commercial Real Estate Portfolio Segment [Member] \| Non-owner Occupied [Member] \| Financial Asset, Not Past Due [Member]
Total Gross Loans	549,725	551,156
Construction and Land Development [Member]
Total Gross Loans	299,043	300,666
Construction and Land Development [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Total Gross Loans	935	1,983
Construction and Land Development [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Total Gross Loans	0	0
Construction and Land Development [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Total Gross Loans	0	0
Construction and Land Development [Member] \| Financial Asset, Past Due [Member]
Total Gross Loans	25,420	25,467
Construction and Land Development [Member] \| Financial Asset, Not Past Due [Member]
Total Gross Loans	272,688	273,216
Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member]
Total Gross Loans	100,782	106,991
Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Total Gross Loans	161	0
Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Total Gross Loans	1,596	0
Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Total Gross Loans	0	0
Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member] \| Financial Asset, Past Due [Member]
Total Gross Loans	358	385
Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member] \| Financial Asset, Not Past Due [Member]
Total Gross Loans	98,667	106,606
Consumer Portfolio Segment [Member] \| Unsecured, Non Real Estate [Member]
Total Gross Loans	134	210
Consumer Portfolio Segment [Member] \| Unsecured, Non Real Estate [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Total Gross Loans	0	0
Consumer Portfolio Segment [Member] \| Unsecured, Non Real Estate [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Total Gross Loans	0	0
Consumer Portfolio Segment [Member] \| Unsecured, Non Real Estate [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Total Gross Loans	0	0
Consumer Portfolio Segment [Member] \| Unsecured, Non Real Estate [Member] \| Financial Asset, Past Due [Member]
Total Gross Loans	0	0
Consumer Portfolio Segment [Member] \| Unsecured, Non Real Estate [Member] \| Financial Asset, Not Past Due [Member]
Total Gross Loans	134	210
Consumer Portfolio Segment [Member] \| Secured [Member]
Total Gross Loans	1,098	938
Consumer Portfolio Segment [Member] \| Secured [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Total Gross Loans	9	0
Consumer Portfolio Segment [Member] \| Secured [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Total Gross Loans	16	0
Consumer Portfolio Segment [Member] \| Secured [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Total Gross Loans	0	0
Consumer Portfolio Segment [Member] \| Secured [Member] \| Financial Asset, Past Due [Member]
Total Gross Loans	0	0
Consumer Portfolio Segment [Member] \| Secured [Member] \| Financial Asset, Not Past Due [Member]
Total Gross Loans	$ 1,073	$ 938