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Note 4 - Allowance for Credit Losses on Loans - Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Balance	$ 16,987
Charge-offs	(583)	$ (7,701)	$ (15,505)
Recoveries	432	51
Provision for Credit Losses	(13)	7,770
Balance	16,823	20,569	16,987
Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Balance	16,987	20,449	20,449
Balance			16,987
Real Estate Portfolio Segment [Member] | One-to-four Family Loan [Member]
Charge-offs	0	0	0
Recoveries	0	0
Provision for Credit Losses	(294)	119
Balance	3,495	4,876
Real Estate Portfolio Segment [Member] | One-to-four Family Loan [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Balance	3,789	4,757	4,757
Balance			3,789
Real Estate Portfolio Segment [Member] | Multi-family Loan [Member]
Charge-offs	0	0	0
Recoveries	0	0
Provision for Credit Losses	(88)	152
Balance	2,370	2,645
Real Estate Portfolio Segment [Member] | Multi-family Loan [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Balance	2,458	2,493	2,493
Balance			2,458
Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member]
Charge-offs	(3)	(5,571)	(6,571)
Recoveries	0	6
Provision for Credit Losses	161	5,582
Balance	3,563	2,427
Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Balance	3,405	2,410	2,410
Balance			3,405
Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Charge-offs	(171)	(374)	(1,884)
Recoveries	0	0
Provision for Credit Losses	385	259
Balance	875	461
Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Balance	661	576	576
Balance			661
Consumer Portfolio Segment [Member] | Home Equity Loan [Member]
Charge-offs	0	0	0
Recoveries	0	0
Provision for Credit Losses	(43)	65
Balance	1,286	1,387
Consumer Portfolio Segment [Member] | Home Equity Loan [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Balance	1,329	1,322	1,322
Balance			1,329
Consumer Portfolio Segment [Member] | Automobile and Other Loan [Member]
Charge-offs	(276)	(243)	(745)
Recoveries	50	43
Provision for Credit Losses	227	(38)
Balance	1,957	2,449
Consumer Portfolio Segment [Member] | Automobile and Other Loan [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Balance	1,956	2,687	2,687
Balance			1,956
Commercial Portfolio Segment [Member]
Charge-offs	(133)	(1,513)	(6,305)
Recoveries	382	2
Provision for Credit Losses	(361)	1,631
Balance	3,277	6,324
Commercial Portfolio Segment [Member] | Cumulative Effect, Period of Adoption, Adjusted Balance [Member]
Balance	$ 3,389	$ 6,204	6,204
Balance			$ 3,389

X

- Definition

Amount excluding accrued interest, of allowance for credit loss on 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
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-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
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-Section S99
-Paragraph 1
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

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- Definition

Amount, excluding accrued interest, of increase in allowance for credit loss on financing receivable from recovery. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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- Definition

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
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-Section 50
-Paragraph 13
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Publisher FASB
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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-SubTopic 20
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-Publisher FASB
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
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-Publisher FASB
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