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Note 3 - Loans Receivable - Nonaccrual Loans by Class (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Nonaccrual loans with allowance	$ 579	$ 484
Nonaccrual loans without allowance	21,120	22,111
Nonaccrual loans	21,699	22,595
Real Estate Portfolio Segment [Member] | One-to-four Family Loan [Member]
Nonaccrual loans with allowance	88	91
Nonaccrual loans without allowance	2,433	2,181
Nonaccrual loans	2,521	2,272
Real Estate Portfolio Segment [Member] | Commercial Real Estate [Member]
Nonaccrual loans with allowance	26	5
Nonaccrual loans without allowance	9,593	9,740
Nonaccrual loans	9,619	9,745
Real Estate Portfolio Segment [Member] | Construction Loans [Member]
Nonaccrual loans with allowance	4	7
Nonaccrual loans without allowance	4,160	5,139
Nonaccrual loans	4,164	5,146
Consumer Portfolio Segment [Member] | Home Equity Loan [Member]
Nonaccrual loans with allowance	53	53
Nonaccrual loans without allowance	0	0
Nonaccrual loans	53	53
Consumer Portfolio Segment [Member] | Automobile and Other Loan [Member]
Nonaccrual loans with allowance	24	25
Nonaccrual loans without allowance	1,256	1,061
Nonaccrual loans	1,280	1,086
Commercial Portfolio Segment [Member]
Nonaccrual loans with allowance	384	303
Nonaccrual loans without allowance	3,678	3,990
Nonaccrual loans	$ 4,062	$ 4,293

X

- Definition

Amortized cost of financing receivable on nonaccrual status with allowance for credit loss. Excludes net investment in lease.

+ References

No definition available.

+ Details

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X

- Definition

Amortized cost excluding accrued interest, of financing receivable on nonaccrual status. 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 16
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-16

Reference 2: 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 3: 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 4: 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)(e)(2))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

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X

- Definition

Amortized cost excluding accrued interest, of financing receivable on nonaccrual status with no allowance for credit loss. 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 16
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-16

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