Note 3 - Loans Receivable - Segments of the Loan Portfolio by Aging Categories (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Total Gross Loans	$ 1,951,977	$ 1,865,315
Financial Asset, 30 to 59 Days Past Due [Member]
Total Gross Loans	11,416	24,756
Financial Asset, 60 to 89 Days Past Due [Member]
Total Gross Loans	4,082	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	61,289	31,482
Financial Asset, Not Past Due [Member]
Total Gross Loans	1,875,190	1,800,553
Residential Portfolio Segment [Member] \| Single Family [Member]
Total Gross Loans	223,370	215,979
Residential Portfolio Segment [Member] \| Single Family [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Total Gross Loans	3,435	3,096
Residential Portfolio Segment [Member] \| Single Family [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Total Gross Loans	0	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	7,907	5,316
Residential Portfolio Segment [Member] \| Single Family [Member] \| Financial Asset, Not Past Due [Member]
Total Gross Loans	212,028	202,175
Residential Portfolio Segment [Member] \| Multifamily [Member]
Total Gross Loans	241,893	225,420
Residential Portfolio Segment [Member] \| Multifamily [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Total Gross Loans	541	0
Residential Portfolio Segment [Member] \| Multifamily [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Total Gross Loans	4,082	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	7,072	0
Residential Portfolio Segment [Member] \| Multifamily [Member] \| Financial Asset, Not Past Due [Member]
Total Gross Loans	230,198	222,288
Residential Portfolio Segment [Member] \| Farmland [Member]
Total Gross Loans	109	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	109	179
Commercial Real Estate Portfolio Segment [Member] \| Owner-occupied [Member]
Total Gross Loans	478,764	448,539
Commercial Real Estate Portfolio Segment [Member] \| Owner-occupied [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Total Gross Loans	4,768	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	4,735	0
Commercial Real Estate Portfolio Segment [Member] \| Owner-occupied [Member] \| Financial Asset, Not Past Due [Member]
Total Gross Loans	469,261	443,785
Commercial Real Estate Portfolio Segment [Member] \| Non-owner Occupied [Member]
Total Gross Loans	592,244	566,393
Commercial Real Estate Portfolio Segment [Member] \| Non-owner Occupied [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Total Gross Loans	1,749	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	14,923	314
Commercial Real Estate Portfolio Segment [Member] \| Non-owner Occupied [Member] \| Financial Asset, Not Past Due [Member]
Total Gross Loans	575,572	551,156
Construction and Land Development [Member]
Total Gross Loans	312,885	300,666
Construction and Land Development [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Total Gross Loans	189	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	26,291	25,467
Construction and Land Development [Member] \| Financial Asset, Not Past Due [Member]
Total Gross Loans	286,405	273,216
Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member]
Total Gross Loans	101,433	106,991
Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Total Gross Loans	726	0
Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Total Gross Loans	0	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	345	385
Commercial Portfolio Segment [Member] \| Commercial and Industrial [Member] \| Financial Asset, Not Past Due [Member]
Total Gross Loans	100,362	106,606
Consumer Portfolio Segment [Member] \| Unsecured, Non Real Estate [Member]
Total Gross Loans	199	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	199	210
Consumer Portfolio Segment [Member] \| Secured [Member]
Total Gross Loans	1,080	938
Consumer Portfolio Segment [Member] \| Secured [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Total Gross Loans	8	0
Consumer Portfolio Segment [Member] \| Secured [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Total Gross Loans		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	16	0
Consumer Portfolio Segment [Member] \| Secured [Member] \| Financial Asset, Not Past Due [Member]
Total Gross Loans	$ 1,056	$ 938