Note 5 - Derivatives - Schedule of Hedging Relationship (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Reclassification adjustment for realized gain, net included in net income	$ (1,151)	$ (1,446)	$ (4,021)	$ (3,624)
Interest Expense [Member]
Total amounts presented on the Consolidated Statements of Income	15,314	12,151	44,416	28,445
Net interest income recognized on cash flows of derivatives designated as hedging instruments	0	0	0	0
Interest Expense [Member] \| Designated as Hedging Instrument [Member] \| Securities Investment [Member] \| Interest Rate Swap [Member]
Net gains (losses) on fair value hedging relationships: Interest rate swaps – securities, Recognized on hedged items	0	0	0	0
Recognized on derivatives designated as hedging instruments	0	0	0	0
Net income recognized on fair value hedges	0	0	0	0
Interest Expense [Member] \| Designated as Hedging Instrument [Member] \| Brokered Deposits and Borrowings [Member] \| Interest Rate Swap [Member]
Reclassification adjustment for realized gain, net included in net income	1,151	1,446	4,021	3,624
Net income recognized on cash flow hedges	1,151	1,446	4,021	3,624
Interest Income [Member]
Total amounts presented on the Consolidated Statements of Income	3,243	3,396	10,660	8,667
Net interest income recognized on cash flows of derivatives designated as hedging instruments	433	556	1,272	1,212
Interest Income [Member] \| Designated as Hedging Instrument [Member] \| Securities Investment [Member] \| Interest Rate Swap [Member]
Net gains (losses) on fair value hedging relationships: Interest rate swaps – securities, Recognized on hedged items	2,432	(1,286)	1,044	(689)
Recognized on derivatives designated as hedging instruments	(2,432)	1,286	(1,044)	689
Net income recognized on fair value hedges	433	556	1,272	1,212
Interest Income [Member] \| Designated as Hedging Instrument [Member] \| Brokered Deposits and Borrowings [Member] \| Interest Rate Swap [Member]
Reclassification adjustment for realized gain, net included in net income	0	0	0	0
Net income recognized on cash flow hedges	$ 0	$ 0	$ 0	$ 0

The amount of net interest income (expense) recognized on cash flow of derivatives designated as hedging instruments.

No definition available.

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- Definition

Amount of gain (loss) from the increase (decrease) in fair value of derivative and nonderivative instruments designated as fair value hedging instruments recognized in the income statement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 815
-SubTopic 25
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (a)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480238/815-25-50-1

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Amount of the increase (decrease) in fair value of the hedged item in a fair value hedge recognized in the income statement.

+ References

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- Definition

Amount of gain (loss) on derivative instrument designated and qualifying as fair value hedge included in assessment of hedge effectiveness, recognized in earnings.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1A
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480627/815-20-45-1A

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- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4A

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The net gain (loss) recognized in earnings during the reporting period representing the amount of the cash flow hedges' ineffectiveness.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4C
-Subparagraph (d)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4C

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- Definition

Amount, before tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 11
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482790/220-10-45-11

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