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Note 7 - Loans and Related Allowance for Credit Losses - Past Due Loans (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
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Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | [1],[2] | $ 1,581,925 | $ 1,519,614
Financial Asset, Not Past Due [Member] |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 1,568,966 | 1,501,824
Financial Asset, 30 to 59 Days Past Due [Member] |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 2,128 | 4,665
Financial Asset, 60 to 89 Days Past Due [Member] |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 1,047 | 3,114
Financial Asset, Equal to or Greater than 90 Days Past Due [Member] |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 9,784 | 10,011
Financial Asset, Past Due [Member] |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 12,959 | 17,790
Commercial Real Estate Portfolio Segment [Member] | Owner Occupied Loan [Member] |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | [1],[2] | 196,645 | 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 |  | 196,243 | 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 |  | 280 | 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 |  | 402 | 695
Commercial Real Estate Portfolio Segment [Member] | Non-owner occupied Loan [Member] |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | [1],[2] | 405,032 | 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 |  | 397,020 | 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 | [1],[2] | 79,497 | 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 |  | 79,497 | 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 | [1],[2] | 357,217 | 353,442
Residential Portfolio Segment [Member] | Financial Asset, Not Past Due [Member] |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 353,880 | 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 |  | 1,539 | 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 |  | 848 | 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 |  | 950 | 1,019
Residential Portfolio Segment [Member] | Financial Asset, Past Due [Member] |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 3,337 | 3,797
Commercial And Industrial [Member] |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | [1],[2] | 257,519 | 229,034
Commercial And Industrial [Member] | Financial Asset, Not Past Due [Member] |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 257,469 | 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 |  | 50 | 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 |  | 50 | 2,365
Home Equity Lines of Credit [Member] |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | [1],[2] | 156,297 | 143,379
Home Equity Lines of Credit [Member] | Financial Asset, Not Past Due [Member] |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 155,678 | 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 |  | 251 | 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 |  | 159 | 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 |  | 209 | 427
Home Equity Lines of Credit [Member] | Financial Asset, Past Due [Member] |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 619 | 895
Construction and Other [Member] |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss | [1],[2] | 123,531 | 103,608
Construction and Other [Member] | Financial Asset, Not Past Due [Member] |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 123,040 | 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 | [1],[2] | 6,187 | 6,564
Consumer Portfolio Segment [Member] | Financial Asset, Not Past Due [Member] |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 6,139 | 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 |  | 8 | 41
Consumer Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member] |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | 40 | 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 |  | 0 | 0
Consumer Portfolio Segment [Member] | Financial Asset, Past Due [Member] |  |  |
Financing Receivable, Excluding Accrued Interest, before Allowance for Credit Loss |  | $ 48 | $ 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] | 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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