Note 8 - Loans Receivable, Net and Allowance for Credit Losses - Non-accrual Loans by Class of Loans (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Financing Receivable, Nonaccrual, With Allowance	$ 1,391	$ 1,097
Financing Receivable, Nonaccrual, No Allowance	4,443	4,498
Financing Receivable, Nonaccrual	5,834	5,595
Nonaccrual, 90 days and accruing	1,506	726
Nonperforming Financial Instruments [Member]
Financing Receivable, Nonaccrual	7,340	6,321
Residential Portfolio Segment [Member] \| One-to-four Family Residential Owner Occupied Loans [Member]
Financing Receivable, Nonaccrual, With Allowance	0	0
Financing Receivable, Nonaccrual, No Allowance	689	299
Financing Receivable, Nonaccrual	689	299
Nonaccrual, 90 days and accruing	266	395
Residential Portfolio Segment [Member] \| One-to-four Family Residential Owner Occupied Loans [Member] \| Nonperforming Financial Instruments [Member]
Financing Receivable, Nonaccrual	955	694
Commercial Real Estate Portfolio Segment [Member] \| Commercial Loan [Member]
Financing Receivable, Nonaccrual, With Allowance	427	0
Financing Receivable, Nonaccrual, No Allowance	1,905	1,519
Financing Receivable, Nonaccrual	2,332	1,519
Nonaccrual, 90 days and accruing	1,238	167
Commercial Real Estate Portfolio Segment [Member] \| Commercial Loan [Member] \| Nonperforming Financial Instruments [Member]
Financing Receivable, Nonaccrual	3,570	1,686
Commercial Portfolio Segment [Member] \| Commercial Loan [Member]
Financing Receivable, Nonaccrual, With Allowance	964	1,097
Financing Receivable, Nonaccrual, No Allowance	1,849	2,680
Financing Receivable, Nonaccrual	2,813	3,777
Nonaccrual, 90 days and accruing	2	164
Commercial Portfolio Segment [Member] \| Commercial Loan [Member] \| Nonperforming Financial Instruments [Member]
Financing Receivable, Nonaccrual	$ 2,815	$ 3,941

Amortized cost of financing receivable on nonaccrual status with allowance for credit loss.

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- Definition

Amortized cost excluding accrued interest, of financing receivable 90 days or more past due and still accruing. 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 (c)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-16

+ Details

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- 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

+ Details

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- 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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