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Note 3 - Business Combinations (Details Textual) - USD ($) shares in Thousands, $ in Thousands |  |  | 12 Months Ended |
--- | --- | --- | --- | ---
Oct. 09, 2024 | Jul. 01, 2022 | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Goodwill |  |  | $ 85,634 | $ 46,783 |  |
Business Combination, Acquisition Related Costs |  |  | 9,974 | 0 | $ 2,540 |
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest |  |  | 59,929 | 35,843 | 31,146 | $ 31,572
Metro Phoenix Bank [Member] |  |  |  |  |  |
Business Combination, Consideration Transferred |  | $ 64,000 |  |  |  |
Goodwill |  | 15,129 |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Loans |  | 270,403 |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deposits |  | 353,685 |  |  |  |
Business Combination, Acquisition Related Costs |  |  |  |  | $ 2,500 |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets |  | 403,248 |  |  |  |
Metro Phoenix Bank [Member] | Core Deposits [Member] |  |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  | $ 7,592 |  |  |  |
HMN Financial Inc. (HNMF) [Member] |  |  |  |  |  |
Business Combination, Consideration Transferred | $ 123,600 |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles | 33,500 |  |  |  |  |
Goodwill | 38,851 |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Loans | 785,439 |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deposits | $ 957,849 |  |  |  |  |
Business Combination, Acquisition Related Costs |  |  | $ 10,000 | $ 0 |  |
Business Acquisition, Percentage of Voting Interests Acquired | 100.00% |  |  |  |  |
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in shares) | 5,550 |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets | $ 1,063,872 |  |  |  |  |
Business Acquisition, Goodwill, Amount Not Expected to Be Tax Deductible | 38,900 |  |  |  |  |
Financing Receivable, Allowance for Credit Loss, Excluding Accrued Interest | $ 7,300 |  |  |  |  |

X
- Definition The amount of goodwill arising from a business combination that is not expected to be deductible for tax purposes. + References No definition available. + Details
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- Definition The amount of deposits recognized as of the acquisition date. + References No definition available. + Details
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- Definition The amount of loans recognized as of the acquisition date. + References No definition available. + Details
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- Definition Number of shares of equity interests issued or issuable to acquire entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 805 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(4) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479581/805-30-50-1 + Details
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- Definition Percentage of voting equity interests acquired at the acquisition date in the business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org/1943274/2147479328/805-10-50-2 + Details
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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -Publisher FASB -URI https://asc.fasb.org/1943274/2147479405/805-10-25-23 + Details
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