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Note 3 - Loans Receivable - Past Due Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Loan receivable, gross	$ 1,629,396	$ 1,628,112
Financial Asset, 30 to 59 Days Past Due [Member]
Loan receivable, gross	4,752	7,887
Financial Asset, 60 to 89 Days Past Due [Member]
Loan receivable, gross	1,323	4,502
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loan receivable, gross	13,000	7,054
Financial Asset, Past Due [Member]
Loan receivable, gross	19,075	19,443
Financial Asset, Not Past Due [Member]
Loan receivable, gross	1,610,321	1,608,669
Real Estate Portfolio Segment [Member]
Loan receivable, gross	1,099,553	1,129,211
Real Estate Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loan receivable, gross	1,126	4,303
Real Estate Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loan receivable, gross	457	1,288
Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loan receivable, gross	8,921	5,669
Real Estate Portfolio Segment [Member] | Financial Asset, Past Due [Member]
Loan receivable, gross	10,504	11,260
Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Loan receivable, gross	1,089,049	1,117,951
Real Estate Portfolio Segment [Member] | One-to-four Family Loan [Member]
Loan receivable, gross	362,984	376,731
Real Estate Portfolio Segment [Member] | One-to-four Family Loan [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loan receivable, gross	894	867
Real Estate Portfolio Segment [Member] | One-to-four Family Loan [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loan receivable, gross	457	1,288
Real Estate Portfolio Segment [Member] | One-to-four Family Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loan receivable, gross	1,326	523
Real Estate Portfolio Segment [Member] | One-to-four Family Loan [Member] | Financial Asset, Past Due [Member]
Loan receivable, gross	2,677	2,678
Real Estate Portfolio Segment [Member] | One-to-four Family Loan [Member] | Financial Asset, Not Past Due [Member]
Loan receivable, gross	360,307	374,053
Real Estate Portfolio Segment [Member] | Multi-family Loan [Member]
Loan receivable, gross	270,979	288,529
Real Estate Portfolio Segment [Member] | Multi-family Loan [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loan receivable, gross	0	0
Real Estate Portfolio Segment [Member] | Multi-family Loan [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loan receivable, gross	0	0
Real Estate Portfolio Segment [Member] | Multi-family Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loan receivable, gross	0	0
Real Estate Portfolio Segment [Member] | Multi-family Loan [Member] | Financial Asset, Past Due [Member]
Loan receivable, gross	0	0
Real Estate Portfolio Segment [Member] | Multi-family Loan [Member] | Financial Asset, Not Past Due [Member]
Loan receivable, gross	270,979	288,529
Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member]
Loan receivable, gross	403,243	402,683
Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loan receivable, gross	232	3,435
Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loan receivable, gross	0	0
Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loan receivable, gross	3,435	0
Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member] | Financial Asset, Past Due [Member]
Loan receivable, gross	3,667	3,435
Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member] | Financial Asset, Not Past Due [Member]
Loan receivable, gross	399,576	399,248
Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Loan receivable, gross	62,347	61,268
Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loan receivable, gross	0	1
Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loan receivable, gross	0	0
Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loan receivable, gross	4,160	5,146
Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Financial Asset, Past Due [Member]
Loan receivable, gross	4,160	5,147
Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Financial Asset, Not Past Due [Member]
Loan receivable, gross	58,187	56,121
Consumer Portfolio Segment [Member]
Loan receivable, gross	377,252	368,590
Consumer Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loan receivable, gross	3,226	3,565
Consumer Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loan receivable, gross	866	528
Consumer Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loan receivable, gross	1,256	1,115
Consumer Portfolio Segment [Member] | Financial Asset, Past Due [Member]
Loan receivable, gross	5,348	5,208
Consumer Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Loan receivable, gross	371,904	363,382
Consumer Portfolio Segment [Member] | Home Equity Loan [Member]
Loan receivable, gross	86,292	85,088
Consumer Portfolio Segment [Member] | Home Equity Loan [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loan receivable, gross	107	0
Consumer Portfolio Segment [Member] | Home Equity Loan [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loan receivable, gross	0	0
Consumer Portfolio Segment [Member] | Home Equity Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loan receivable, gross	0	53
Consumer Portfolio Segment [Member] | Home Equity Loan [Member] | Financial Asset, Past Due [Member]
Loan receivable, gross	107	53
Consumer Portfolio Segment [Member] | Home Equity Loan [Member] | Financial Asset, Not Past Due [Member]
Loan receivable, gross	86,185	85,035
Consumer Portfolio Segment [Member] | Automobile and Other Loan [Member]
Loan receivable, gross	290,960	283,502
Consumer Portfolio Segment [Member] | Automobile and Other Loan [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loan receivable, gross	3,119	3,565
Consumer Portfolio Segment [Member] | Automobile and Other Loan [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loan receivable, gross	866	528
Consumer Portfolio Segment [Member] | Automobile and Other Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loan receivable, gross	1,256	1,062
Consumer Portfolio Segment [Member] | Automobile and Other Loan [Member] | Financial Asset, Past Due [Member]
Loan receivable, gross	5,241	5,155
Consumer Portfolio Segment [Member] | Automobile and Other Loan [Member] | Financial Asset, Not Past Due [Member]
Loan receivable, gross	285,719	278,347
Commercial Portfolio Segment [Member]
Loan receivable, gross	152,591	130,311
Commercial Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]
Loan receivable, gross	400	19
Commercial Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]
Loan receivable, gross	0	2,686
Commercial Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]
Loan receivable, gross	2,823	270
Commercial Portfolio Segment [Member] | Financial Asset, Past Due [Member]
Loan receivable, gross	3,223	2,975
Commercial Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]
Loan receivable, gross	$ 149,368	$ 127,336

X

- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, fee, and loan in process, of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147477657/942-210-S45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478478/942-210-S50-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(7))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

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