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Note 9 - Deposits (Details Textual) - USD ($) | Dec. 31, 2024 | Dec. 31, 2023
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Related Party Deposit Liabilities | $ 3,200,000 | $ 2,800,000
Deposit Liabilities, Checking [Member] |  |
Interest-Bearing Domestic Deposit, Brokered | 0 | 70,200,000
Deposit Liabilities, Money Market [Member] |  |
Interest-Bearing Domestic Deposit, Brokered | 279,000 | 1,000
Deposit Liabilities, Certificates of Deposits Less Than 100,000 [Member] |  |
Interest-Bearing Domestic Deposit, Brokered | $ 143,100,000 | $ 361,300,000

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- Definition Amount of interest-bearing domestic third-party deposits placed by or through the assistance of a deposit broker, also known as brokered deposit liabilities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(12)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition Amount of deposits held by the entity for a related party (entity, shareholder, employee). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 235 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(k)(1)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480678/235-10-S99-1 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Details
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- Details
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- Details
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