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Note 2 - Business Combination (Details Textual) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Feb. 24, 2023 USD ($) | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($)
Cash Acquired from Acquisition |  | $ 336,157 | $ 0 | $ 0
Goodwill |  | $ 3,592 | $ 2,312 |
Columbia State Bank [Member] |  |  |  |
Number of Businesses Acquired | 7 |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities, Deposits, Total | $ 424,917 |  |  |
Number of Businesses Acquired, Bank Owned Branches | 6 |  |  |
Number of Businesses Acquired, Leases Acquired with Bank Branches | 1 |  |  |
Business Combination, Core Deposits Premium, Percentage | 4.15% |  |  |
Business Combination, Public Funds, Percentage | 2.50% |  |  |
Cash Acquired from Acquisition | $ 334,700 |  |  |
Number of Financial Assets Purchased with Credit Deterioration | 0 |  |  |
Business Combination, Acquired Receivable, Fair Value | $ 63,200 |  |  |
Business Combination, Acquired Receivables, Gross Contractual Amount | 66,100 |  |  |
Business Combination, Acquired Receivables, Estimated Uncollectible | 0 |  |  |
Goodwill | $ 1,280 |  |  |
Columbia State Bank [Member] | Core Deposits [Member] |  |  |  |
Finite-Lived Intangible Asset, Useful Life (Year) | 10 years | 10 years |  |
Columbia State Bank [Member] | Workforce and Customer Relationships [Member] |  |  |  |
Goodwill, Amorization Period for Deductible Tax Purposes (Year) | 15 years |  |  |
Columbia State Bank [Member] | Business Combination, Payment for Loans Acquired [Member] |  |  |  |
Payments to Acquire Businesses, Gross | $ 66,600 |  |  |
Columbia State Bank [Member] | Business Combination, Payment for Bank Facilities and Other Assets [Member] |  |  |  |
Payments to Acquire Businesses, Gross | 6,300 |  |  |
Columbia State Bank [Member] | Business Combination, Payment for Core Deposits and Deposits Assumed [Member] |  |  |  |
Payments to Acquire Businesses, Gross | 16,400 |  |  |
Columbia State Bank [Member] | Reported Value by Acquiree [Member] |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities, Deposits, Total | 425,465 |  |  |
Goodwill | $ 0 |  |  |

X
- Definition Represents the deposit premium for core deposits as a percentage. + References No definition available. + Details
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- Definition Represents the percentage paid for public funds in a business combination. + References No definition available. + Details
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- Definition Amount of deposit liabilities assumed at the acquisition date. + References No definition available. + Details
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- Definition The goodwill amortization period for deductible tax purposes. + References No definition available. + Details
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- Definition The number of businesses acquired by the entity during the period. + References No definition available. + Details
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- Definition For receivables acquired in a business combination, excluding certain loans and debt securities acquired in a transfer (as defined), this element represents the best estimate at the acquisition date of the contractual cash flows not expected to be collected, by major class of receivable, such as loans, direct finance leases (as defined), and any other class of receivables. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479907/805-20-50-1 + Details
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- Definition For receivables acquired in a business combination, excluding certain loans and debt securities acquired in a transfer (as defined), this element represents the gross contractual amounts receivable, by major class of receivable, such as loans, direct finance leases (as defined), and any other class of receivables. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479907/805-20-50-1 + Details
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- Definition The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-12 + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Topic 852 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 10 -Publisher FASB -URI https://asc.fasb.org//1943274/2147481372/852-10-55-10 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 55 -Paragraph 24 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482548/350-20-55-24 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(15)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482598/350-20-45-1 Reference 5: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482573/350-20-50-1 Reference 6: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 350 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482573/350-20-50-1 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(10)(1)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479853/942-210-S99-1 + Details
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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 805 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (b)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479581/805-30-50-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482740/230-10-45-13 + Details
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