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Note 6 - Loans Receivable and Credit Disclosures - Schedule of Nonaccrual Loans (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Nonaccrual Loans	$ 19,342	$ 14,772
Nonaccrual Loans, no allowance	15,495	14,289
Construction Real Estate [Member]
Nonaccrual Loans	0	62
Nonaccrual Loans, no allowance	0	62
Family Residential Real Estate 1-4 [Member]
Nonaccrual Loans	1,267	696
Nonaccrual Loans, no allowance	478	626
Multifamily [Member]
Nonaccrual Loans	900	947
Nonaccrual Loans, no allowance	900	947
Commercial Real Estate Portfolio Segment [Member]
Nonaccrual Loans	13,538	10,768
Nonaccrual Loans, no allowance	11,071	10,768
Agriculture Real Estate [Member]
Nonaccrual Loans	538	420
Nonaccrual Loans, no allowance	538	420
Commercial Portfolio Segment [Member]
Nonaccrual Loans	1,484	1,298
Nonaccrual Loans, no allowance	898	893
Agriculture [Member]
Nonaccrual Loans	1,610	570
Nonaccrual Loans, no allowance	1,610	570
Consumer and Other [Member]
Nonaccrual Loans	5	11
Nonaccrual Loans, no allowance	$ 0	$ 3

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

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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
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-Section 50
-Paragraph 16
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-16

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