Note 19 - Derivatives and Risk Management Activities (Details Textual) - USD ($)	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Derivative, Excluded Component, Gain, Statement of Income or Comprehensive Income [Extensible Enumeration]			Noninterest Income, Other Operating Income
Derivative, Excluded Component, Gain, Recognized in Earnings	$ 0	$ 0	$ 619,000

Indicates line item in statement of income or comprehensive income that includes gain recognized in earnings from excluded component of derivative hedge.

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

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 815
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 4D
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480434/815-10-50-4D

Name:	us-gaap_DerivativeExcludedComponentGainStatementOfIncomeOrComprehensiveIncomeExtensibleEnumeration
Namespace Prefix:	us-gaap_
Data Type:	enum2:enumerationSetItemType
Balance Type:	na
Period Type:	duration