Note 5 - Allowance for Credit Losses on Loans and Nonperforming Assets - Allowance for Credit Losses on Unfunded Commitments (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Financing Receivable, Allowance for Credit Loss [Line Items] | ||
| Balance | $ 10,262 | $ 9,094 |
| Provision for (recovery of) credit losses | (63) | 1,242 |
| Balance | 9,892 | 10,262 |
| Unfunded Loan Commitment [Member] | ||
| Financing Receivable, Allowance for Credit Loss [Line Items] | ||
| Balance | 251 | 259 |
| Provision for (recovery of) credit losses | 47 | (15) |
| Balance | $ 298 | 251 |
| Unfunded Loan Commitment [Member] | Frontier Community Bank [Member] | ||
| Financing Receivable, Allowance for Credit Loss [Line Items] | ||
| FCB acquisition | $ 7 | |
| X | ||||||||||
- Definition Amount of increase in allowance for credit loss on financing receivable from loan acquired from business combination or acquisition. No definition available.
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| X | ||||||||||
- Definition Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of credit loss expense (reversal of expense) for financing receivable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Details
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| X | ||||||||||
- Details
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