Note 4 - Loans Receivable and Allowance for Credit Losses - Schedule of Past Due Financing Loans (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Loans, net of unearned income	$ 2,031,361	$ 2,035,227
Financial Asset, 30 to 59 Days Past Due [Member]
Loans, net of unearned income	44	0
Financial Asset, 60 to 89 Days Past Due [Member]
Loans, net of unearned income	2,065	3,484
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, net of unearned income	5,415	10,793
Financial Asset, Past Due [Member]
Loans, net of unearned income	7,524	14,277
Financial Asset, Not Past Due [Member]
Loans, net of unearned income	2,023,837	2,020,950
Commercial Portfolio Segment [Member]
Loans, net of unearned income	36,628	38,672
Commercial Portfolio Segment [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans, net of unearned income	0	0
Commercial Portfolio Segment [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans, net of unearned income	0	0
Commercial Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, net of unearned income	675	688
Commercial Portfolio Segment [Member] \| Financial Asset, Past Due [Member]
Loans, net of unearned income	675	688
Commercial Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Loans, net of unearned income	35,953	37,984
Construction Portfolio Segment [Member]
Loans, net of unearned income	220,002	212,307
Construction Portfolio Segment [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans, net of unearned income	0	0
Construction Portfolio Segment [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans, net of unearned income	0	0
Construction Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, net of unearned income	1,091	1,091
Construction Portfolio Segment [Member] \| Financial Asset, Past Due [Member]
Loans, net of unearned income	1,091	1,091
Construction Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Loans, net of unearned income	218,911	211,216
Real Estate Portfolio Segment [Member] \| Mortgage on Commercial Property Occupied by Owner [Member]
Loans, net of unearned income	186,738	182,529
Real Estate Portfolio Segment [Member] \| Mortgage on Commercial Property Occupied by Non Owners [Member]
Loans, net of unearned income	470,762	478,295
Real Estate Portfolio Segment [Member] \| Mortgage on Residential Properties Occupied by One to Four Families [Member]
Loans, net of unearned income	427,955	451,463
Real Estate Portfolio Segment [Member] \| Mortgage on Residential Properties Occupied by One to Four Family Investment [Member]
Loans, net of unearned income	466,929	494,228
Real Estate Portfolio Segment [Member] \| Mortgage on Residential Properties Occupied by Multifamily [Member]
Loans, net of unearned income	218,690	173,611
Real Estate Portfolio Segment [Member] \| Financial Asset, 30 to 59 Days Past Due [Member] \| Mortgage on Commercial Property Occupied by Owner [Member]
Loans, net of unearned income	0	0
Real Estate Portfolio Segment [Member] \| Financial Asset, 30 to 59 Days Past Due [Member] \| Mortgage on Commercial Property Occupied by Non Owners [Member]
Loans, net of unearned income	0	0
Real Estate Portfolio Segment [Member] \| Financial Asset, 30 to 59 Days Past Due [Member] \| Mortgage on Residential Properties Occupied by One to Four Families [Member]
Loans, net of unearned income	0	0
Real Estate Portfolio Segment [Member] \| Financial Asset, 30 to 59 Days Past Due [Member] \| Mortgage on Residential Properties Occupied by One to Four Family Investment [Member]
Loans, net of unearned income	0	0
Real Estate Portfolio Segment [Member] \| Financial Asset, 30 to 59 Days Past Due [Member] \| Mortgage on Residential Properties Occupied by Multifamily [Member]
Loans, net of unearned income	0	0
Real Estate Portfolio Segment [Member] \| Financial Asset, 60 to 89 Days Past Due [Member] \| Mortgage on Commercial Property Occupied by Owner [Member]
Loans, net of unearned income	0	0
Real Estate Portfolio Segment [Member] \| Financial Asset, 60 to 89 Days Past Due [Member] \| Mortgage on Commercial Property Occupied by Non Owners [Member]
Loans, net of unearned income	0	1,122
Real Estate Portfolio Segment [Member] \| Financial Asset, 60 to 89 Days Past Due [Member] \| Mortgage on Residential Properties Occupied by One to Four Families [Member]
Loans, net of unearned income	1,345	1,434
Real Estate Portfolio Segment [Member] \| Financial Asset, 60 to 89 Days Past Due [Member] \| Mortgage on Residential Properties Occupied by One to Four Family Investment [Member]
Loans, net of unearned income	689	896
Real Estate Portfolio Segment [Member] \| Financial Asset, 60 to 89 Days Past Due [Member] \| Mortgage on Residential Properties Occupied by Multifamily [Member]
Loans, net of unearned income	0	0
Real Estate Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member] \| Mortgage on Commercial Property Occupied by Owner [Member]
Loans, net of unearned income	400	400
Real Estate Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member] \| Mortgage on Commercial Property Occupied by Non Owners [Member]
Loans, net of unearned income	603	3,668
Real Estate Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member] \| Mortgage on Residential Properties Occupied by One to Four Families [Member]
Loans, net of unearned income	1,723	2,965
Real Estate Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member] \| Mortgage on Residential Properties Occupied by One to Four Family Investment [Member]
Loans, net of unearned income	772	1,840
Real Estate Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member] \| Mortgage on Residential Properties Occupied by Multifamily [Member]
Loans, net of unearned income	0	0
Real Estate Portfolio Segment [Member] \| Financial Asset, Past Due [Member] \| Mortgage on Commercial Property Occupied by Owner [Member]
Loans, net of unearned income	400	400
Real Estate Portfolio Segment [Member] \| Financial Asset, Past Due [Member] \| Mortgage on Commercial Property Occupied by Non Owners [Member]
Loans, net of unearned income	603	4,790
Real Estate Portfolio Segment [Member] \| Financial Asset, Past Due [Member] \| Mortgage on Residential Properties Occupied by One to Four Families [Member]
Loans, net of unearned income	3,068	4,399
Real Estate Portfolio Segment [Member] \| Financial Asset, Past Due [Member] \| Mortgage on Residential Properties Occupied by One to Four Family Investment [Member]
Loans, net of unearned income	1,461	2,736
Real Estate Portfolio Segment [Member] \| Financial Asset, Past Due [Member] \| Mortgage on Residential Properties Occupied by Multifamily [Member]
Loans, net of unearned income	0	0
Real Estate Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member] \| Mortgage on Commercial Property Occupied by Owner [Member]
Loans, net of unearned income	186,338	182,129
Real Estate Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member] \| Mortgage on Commercial Property Occupied by Non Owners [Member]
Loans, net of unearned income	470,159	473,505
Real Estate Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member] \| Mortgage on Residential Properties Occupied by One to Four Families [Member]
Loans, net of unearned income	424,887	447,064
Real Estate Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member] \| Mortgage on Residential Properties Occupied by One to Four Family Investment [Member]
Loans, net of unearned income	465,468	491,492
Real Estate Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member] \| Mortgage on Residential Properties Occupied by Multifamily [Member]
Loans, net of unearned income	218,690	173,611
Consumer Portfolio Segment [Member]
Loans, net of unearned income	3,657	4,122
Consumer Portfolio Segment [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans, net of unearned income	44	0
Consumer Portfolio Segment [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans, net of unearned income	31	32
Consumer Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, net of unearned income	151	141
Consumer Portfolio Segment [Member] \| Financial Asset, Past Due [Member]
Loans, net of unearned income	226	173
Consumer Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Loans, net of unearned income	$ 3,431	$ 3,949

Note 4 - Loans Receivable and Allowance for Credit Losses - Schedule of Past Due Financing Loans (Details) - USD ($)
$ in Thousands

Jun. 30, 2026

Dec. 31, 2025

Loans, net of unearned income

$ 2,031,361

$ 2,035,227

Financial Asset, 30 to 59 Days Past Due [Member]

Loans, net of unearned income

Financial Asset, 60 to 89 Days Past Due [Member]

Loans, net of unearned income

2,065

3,484