Note 4 - Loans Receivable and Allowance for Credit Losses - Schedule of Past Due Financing Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Loans, net of unearned income	$ 2,043,296	$ 2,035,227
Financial Asset, 30 to 59 Days Past Due [Member]
Loans, net of unearned income	3,520	0
Financial Asset, 60 to 89 Days Past Due [Member]
Loans, net of unearned income	360	3,484
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, net of unearned income	9,406	10,793
Financial Asset, Past Due [Member]
Loans, net of unearned income	13,286	14,277
Financial Asset, Not Past Due [Member]
Loans, net of unearned income	2,030,010	2,020,950
Commercial Portfolio Segment [Member]
Loans, net of unearned income	39,817	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	680	688
Commercial Portfolio Segment [Member] \| Financial Asset, Past Due [Member]
Loans, net of unearned income	680	688
Commercial Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Loans, net of unearned income	39,137	37,984
Construction Portfolio Segment [Member]
Loans, net of unearned income	217,805	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	216,714	211,216
Real Estate Portfolio Segment [Member] \| Mortgage on Commercial Property Occupied by Owner [Member]
Loans, net of unearned income	184,691	182,529
Real Estate Portfolio Segment [Member] \| Mortgage on Commercial Property Occupied by Non Owners [Member]
Loans, net of unearned income	476,983	478,295
Real Estate Portfolio Segment [Member] \| Mortgage on Residential Properties Occupied by One to Four Families [Member]
Loans, net of unearned income	430,464	451,463
Real Estate Portfolio Segment [Member] \| Mortgage on Residential Properties Occupied by One to Four Family Investment [Member]
Loans, net of unearned income	479,098	494,228
Real Estate Portfolio Segment [Member] \| Mortgage on Residential Properties Occupied by Multifamily [Member]
Loans, net of unearned income	210,577	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	1,989	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	1,507	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	242	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	118	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	3,163	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	2,494	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	1,437	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	3,163	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	4,725	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	3,062	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	184,291	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	473,820	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	425,739	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	476,036	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	210,577	173,611
Consumer Portfolio Segment [Member]
Loans, net of unearned income	3,861	4,122
Consumer Portfolio Segment [Member] \| Financial Asset, 30 to 59 Days Past Due [Member]
Loans, net of unearned income	24	0
Consumer Portfolio Segment [Member] \| Financial Asset, 60 to 89 Days Past Due [Member]
Loans, net of unearned income	0	32
Consumer Portfolio Segment [Member] \| Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loans, net of unearned income	141	141
Consumer Portfolio Segment [Member] \| Financial Asset, Past Due [Member]
Loans, net of unearned income	165	173
Consumer Portfolio Segment [Member] \| Financial Asset, Not Past Due [Member]
Loans, net of unearned income	$ 3,696	$ 3,949

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

Mar. 31, 2026

Dec. 31, 2025

Loans, net of unearned income

$ 2,043,296

$ 2,035,227

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

Loans, net of unearned income

3,520

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

Loans, net of unearned income

360