Note 14 - Goodwill and Other Intangible Assets (Details Textual) |
3 Months Ended | 6 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|---|
Jan. 22, 2016 |
Jun. 30, 2026
USD ($)
|
Jun. 30, 2025
USD ($)
|
Jun. 30, 2026
USD ($)
|
Jun. 30, 2025
USD ($)
|
Dec. 31, 2025
USD ($)
|
|
| Goodwill | $ 3,592,000 | $ 3,592,000 | $ 3,592,000 | |||
| Intangible Asset, Finite-Lived, Amortization Expense | $ 722,000 | $ 809,000 | 1,466,000 | $ 1,639,000 | ||
| Core Deposits [Member] | ||||||
| Goodwill, Impairment Loss | 0 | |||||
| Impairment of Intangible Assets, Finite-Lived | 0 | |||||
| Intangible Asset, Finite-Lived, Amortization Expense | $ 1,466,000 | $ 3,192,000 | ||||
| Bank of America [Member] | ||||||
| Number of Businesses Acquired | 4 | |||||
| Columbia State Bank [Member] | Core Deposits [Member] | ||||||
| Finite-Lived Intangible Asset, Useful Life (Year) | 10 years | 10 years | ||||
| Anchor Bank [Member] | Core Deposits [Member] | ||||||
| Finite-Lived Intangible Asset, Useful Life (Year) | 10 years | 10 years | ||||
| X | ||||||||||
- Definition Amount of amortization expense for finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Useful life of finite-lived intangible asset, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of impairment loss from asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of impairment loss for finite-lived intangible asset. Excludes goodwill and capitalized cost for software to be sold, leased, or marketed. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Number of businesses acquired in business combination. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
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