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Note 4 - Mortgage Servicing Rights - Valuation Assumptions (Details) - Mortgage Servicing Rights [Member]	3 Months Ended	12 Months Ended
	Mar. 31, 2025	Dec. 31, 2024
Weighted average discount rate	9.80%	10.20%
Conditional prepayment rate (“CPR”)	8.90%	8.30%
Weighted average life in years (Year)	7 years 8 months 12 days	7 years 10 months 24 days

X

- Definition

Discount rate used to estimate the fair value of servicing assets and servicing liabilities.

+ References

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-Topic 860
-SubTopic 50
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481229/860-50-50-2

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- Definition

Estimated rate of prepayments of principal on servicing assets and servicing liabilities.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 860
-SubTopic 50
-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481229/860-50-50-2

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- Definition

Weighted average life of financial assets and financial liabilities, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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-Name Accounting Standards Codification
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