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Note 7 - Loans and Related Allowance for Credit Losses - Past Due Loans (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
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Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | [2],[3] | $ 1,607,024 | [1],[4] | $ 1,519,614
Financial Asset, Not Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 1,592,908 |  | 1,501,824
Financial Asset, 30 to 59 Days Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 2,864 |  | 4,665
Financial Asset, 60 to 89 Days Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 904 |  | 3,114
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 10,348 |  | 10,011
Financial Asset, Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 14,116 |  | 17,790
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Loan [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | [2],[3] | 221,600 | [1],[4] | 181,447
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Loan [Member] | Financial Asset, Not Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 221,097 |  | 180,752
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Loan [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 381 |  | 513
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Loan [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 0 |  | 122
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 122 |  | 60
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Loan [Member] | Financial Asset, Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 503 |  | 695
Commercial Real Estate Portfolio Segment [Member] | Non-owner occupied Loan [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | [2],[3] | 390,354 | [1],[4] | 412,291
Commercial Real Estate Portfolio Segment [Member] | Non-owner occupied Loan [Member] | Financial Asset, Not Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 382,342 |  | 402,924
Commercial Real Estate Portfolio Segment [Member] | Non-owner occupied Loan [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 0 |  | 1,355
Commercial Real Estate Portfolio Segment [Member] | Non-owner occupied Loan [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 0 |  | 0
Commercial Real Estate Portfolio Segment [Member] | Non-owner occupied Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 8,012 |  | 8,012
Commercial Real Estate Portfolio Segment [Member] | Non-owner occupied Loan [Member] | Financial Asset, Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 8,012 |  | 9,367
Commercial Real Estate Portfolio Segment [Member] | Multifamily Loan [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | [2],[3] | 88,899 | [1],[4] | 89,849
Commercial Real Estate Portfolio Segment [Member] | Multifamily Loan [Member] | Financial Asset, Not Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 88,899 |  | 89,756
Commercial Real Estate Portfolio Segment [Member] | Multifamily Loan [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 0 |  | 93
Commercial Real Estate Portfolio Segment [Member] | Multifamily Loan [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 0 |  | 0
Commercial Real Estate Portfolio Segment [Member] | Multifamily Loan [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 0 |  | 0
Commercial Real Estate Portfolio Segment [Member] | Multifamily Loan [Member] | Financial Asset, Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 0 |  | 93
Residential Portfolio Segment [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | [2],[3] | 366,307 | [1],[4] | 353,442
Residential Portfolio Segment [Member] | Financial Asset, Not Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 362,419 |  | 349,645
Residential Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 1,971 |  | 2,216
Residential Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 755 |  | 562
Residential Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 1,162 |  | 1,019
Residential Portfolio Segment [Member] | Financial Asset, Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 3,888 |  | 3,797
Commercial And Industrial [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | [2],[3] | 269,422 | [1],[4] | 229,034
Commercial And Industrial [Member] | Financial Asset, Not Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 269,422 |  | 226,669
Commercial And Industrial [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 0 |  | 81
Commercial And Industrial [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 0 |  | 2,284
Commercial And Industrial [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 0 |  | 0
Commercial And Industrial [Member] | Financial Asset, Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 0 |  | 2,365
Home Equity Lines of Credit [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | [2],[3] | 159,805 | [1],[4] | 143,379
Home Equity Lines of Credit [Member] | Financial Asset, Not Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 158,779 |  | 142,484
Home Equity Lines of Credit [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 509 |  | 366
Home Equity Lines of Credit [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 149 |  | 102
Home Equity Lines of Credit [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 368 |  | 427
Home Equity Lines of Credit [Member] | Financial Asset, Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 1,026 |  | 895
Construction and Other [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | [2],[3] | 104,843 | [1],[4] | 103,608
Construction and Other [Member] | Financial Asset, Not Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 104,352 |  | 103,115
Construction and Other [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 0 |  | 0
Construction and Other [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 0 |  | 0
Construction and Other [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 491 |  | 493
Construction and Other [Member] | Financial Asset, Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 491 |  | 493
Consumer Portfolio Segment [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | [2],[3] | 5,794 | [1],[4] | 6,564
Consumer Portfolio Segment [Member] | Financial Asset, Not Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 5,598 |  | 6,479
Consumer Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 3 |  | 41
Consumer Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 0 |  | 44
Consumer Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 193 |  | 0
Consumer Portfolio Segment [Member] | Financial Asset, Past Due [Member] |  |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | $ 196 |  | $ 85
[1] | Accrued interest of $5.5 million and $5.5 million at June 30, 2025 and December 31, 2024, respectively, is excluded from amortized cost and presented in "accrued interest receivable and other assets" on the Consolidated Balance Sheets.
[2] | Accrued interest of $5.9 million and $5.5 million at September 30, 2025 and December 31, 2024, respectively, is excluded from amortized cost and presented in "accrued interest receivable and other assets" on the Consolidated Balance Sheets.
[3] | Unearned income, including net deferred loan fees and costs and unamortized premiums and discounts, totaled $6.6 million and $8.2 million at September 30, 2025 and December 31, 2024, respectively.
[4] | Unearned income, including net deferred loan fees and costs and unamortized premiums and discounts, totaled $7.1 million and $8.2 million at June 30, 2025 and December 31, 2024, respectively.

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