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Note 7 - Loans Receivable and Credit Disclosures - Schedule of Nonaccrual Loans (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Nonaccrual Loans	$ 16,269	$ 14,772
Nonaccrual Loans, no allowance	15,112	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	554	696
Nonaccrual Loans, no allowance	554	626
Multifamily [Member]
Nonaccrual Loans	942	947
Nonaccrual Loans, no allowance	942	947
Commercial Real Estate Portfolio Segment [Member]
Nonaccrual Loans	11,389	10,768
Nonaccrual Loans, no allowance	11,389	10,768
Agriculture Real Estate [Member]
Nonaccrual Loans	415	420
Nonaccrual Loans, no allowance	415	420
Commercial Portfolio Segment [Member]
Nonaccrual Loans	2,438	1,298
Nonaccrual Loans, no allowance	1,288	893
Agriculture [Member]
Nonaccrual Loans	522	570
Nonaccrual Loans, no allowance	522	570
Consumer and Other [Member]
Nonaccrual Loans	9	11
Nonaccrual Loans, no allowance	$ 2	$ 3

X

- Definition

Amortized cost 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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- Definition

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+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 7
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-7

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph a
-Subparagraph (3)
-Publisher SEC

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
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Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
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-Paragraph 16
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