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Note 19 - Tax Credit Investments (Details Textual) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Investment, Proportional Amortization Method, Elected, Amount	$ 31,527		$ 22,000
Investment Program, Proportional Amortization Method, Applied, Amortization Expense, Statement of Income or Comprehensive Income [Extensible Enumeration]	Income Tax Expense (Benefit)	Income Tax Expense (Benefit)
Investment Program, Proportional Amortization Method, Elected, Income Tax Credit and Other Income Tax Benefit, after Amortization Expense	$ 564	$ 501
Investment Program, Proportional Amortization Method, Elected, Impairment Loss	0	0
Affordable Housing Tax Credits [Member]
Investment, Proportional Amortization Method, Elected, Amount	21,500		22,000
Investment Program, Proportional Amortization Method, Elected, Commitment	12,400		13,900
Investment Program, Proportional Amortization Method, Applied, Amortization Expense	473	$ 406
Solar Investment Tax Credit [Member]
Investment, Proportional Amortization Method, Elected, Amount	10,000		$ 0
Investment Program, Proportional Amortization Method, Elected, Commitment	$ 9,300

X

- Definition

Amount of impairment loss for investment that generates income tax credit and other income tax benefit under tax credit program elected to be accounted for using proportional amortization method. Includes, but is not limited to, investment under tax credit program not meeting condition for accounting under proportional amortization method.

+ References

Reference 1: http://www.xbrl.org/2003/role/recommendedDisclosureRef
-Topic 740
-SubTopic 323
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478156/740-323-50-2

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+ References

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-Section 50
-Paragraph 2
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+ References

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-Section 50
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-Subparagraph (c)
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+ References

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-Topic 740
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-Name Accounting Standards Codification
-Section 50
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-URI https://asc.fasb.org/1943274/2147478156/740-323-50-1A

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+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 740
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Amount of commitment and contingent commitment, including amount of delayed equity contribution, for investment that generates income tax credit and other income tax benefit under tax credit program elected to be accounted for using proportional amortization method. Includes, but is not limited to, commitment and contingent commitment related to investment under tax credit program not meeting condition for accounting under proportional amortization method.

+ References

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