Note 18 - Fair Value Measurements and Fair Value of Financial Instruments (Tables)
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6 Months Ended |
Jun. 30, 2026 |
| Notes Tables |
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| Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] |
| | | Fair Value Measurements Using: | | | | | |
| June 30, 2026 | | Level 1 | | | Level 2 | | | Level 3 | | | Total | |
| Assets measured at fair value: | | (dollars in thousands) |
| On a recurring basis: | | | | | | | | | | | | | | | | |
| Securities available for sale | | | | | | | | | | | | | | | | |
| Government agency securities | | $ | — | | | $ | 20,282 | | | $ | — | | | $ | 20,282 | |
| SBA agency securities | | | — | | | | 19,319 | | | | — | | | | 19,319 | |
| Mortgage-backed securities | | | — | | | | 98,775 | | | | — | | | | 98,775 | |
| Collateralized mortgage obligations | | | — | | | | 185,902 | | | | — | | | | 185,902 | |
| Commercial paper | | | — | | | | 49,663 | | | | — | | | | 49,663 | |
| Corporate debt securities | | | — | | | | 23,462 | | | | — | | | | 23,462 | |
| Municipal securities | | | — | | | | 9,757 | | | | — | | | | 9,757 | |
| | | $ | — | | | $ | 407,160 | | | $ | — | | | $ | 407,160 | |
| On a non-recurring basis: | | | | | | | | | | | | | | | | |
| Collateral dependent individually evaluated loans: | | | | | | | | | | | | | | | | |
| Commercial real estate loans | | $ | — | | | $ | — | | | $ | 3,057 | | | $ | 3,057 | |
| Commercial and industrial loans | | | — | | | | — | | | | 4,708 | | | | 4,708 | |
| SBA loans | | | — | | | | — | | | | 883 | | | | 883 | |
| Other real estate owned (1) | | | — | | | | — | | | | 19,820 | | | | 19,820 | |
| | | $ | — | | | $ | — | | | $ | 28,468 | | | $ | 28,468 | |
| December 31, 2025 | | Level 1 | | | Level 2 | | | Level 3 | | | Total | |
| Assets measured at fair value: | | | | | | | | | | | | | | | | |
| On a recurring basis: | | | | | | | | | | | | | | | | |
| Securities available for sale | | | | | | | | | | | | | | | | |
| Government agency securities | | $ | — | | | $ | 22,705 | | | $ | — | | | $ | 22,705 | |
| SBA agency securities | | | — | | | | 21,180 | | | | — | | | | 21,180 | |
| Mortgage-backed securities | | | — | | | | 92,155 | | | | — | | | | 92,155 | |
| Collateralized mortgage obligations | | | — | | | | 213,272 | | | | — | | | | 213,272 | |
| Commercial paper | | | — | | | | 19,948 | | | | — | | | | 19,948 | |
| Corporate debt securities | | | — | | | | 28,429 | | | | — | | | | 28,429 | |
| Municipal securities | | | — | | | | 9,515 | | | | — | | | | 9,515 | |
| Forward mortgage loan sale contracts (1) | | | — | | | | — | | | | 11 | | | | 11 | |
| | | $ | — | | | $ | 407,204 | | | $ | 11 | | | $ | 407,215 | |
| On a non-recurring basis: | | | | | | | | | | | | | | | | |
| Collateral dependent individually evaluated loans: | | | | | | | | | | | | | | | | |
| Commercial real estate loans | | $ | — | | | $ | — | | | $ | 3,071 | | | $ | 3,071 | |
| Construction and land development loans | | | — | | | | — | | | | 19,465 | | | | 19,465 | |
| Commercial and industrial loans | | | — | | | | — | | | | 4,708 | | | | 4,708 | |
| Other real estate owned (1) | | | — | | | | — | | | | 8,830 | | | | 8,830 | |
| | | $ | — | | | $ | — | | | $ | 36,074 | | | $ | 36,074 | |
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| Fair Value Measurement Inputs and Valuation Techniques [Table Text Block] |
| June 30, 2026 | | Fair Value | | Valuation Techniques | | Unobservable Input(s) | | Range (1) | |
| Collateral dependent loans: | | (dollars in thousands) | |
| Commercial real estate loans | | $ | 3,057 | | Market approach | | Adjustments | | | (41%) to 4% | |
| Commercial and industrial loans | | | 4,708 | | Market approach | | Adjustments | | | (4%) to 26% | |
| SBA loans | | | 883 | | Market approach | | Adjustments | | | 0% to 22% | |
| Other Real Estate Owned (2) | | | 19,820 | | Market approach | | Adjustments | | | 6% to 26% | |
| Total | | $ | 28,468 | | | | | | | | |
| December 31, 2025 | | Fair Value | | Valuation Techniques | | Unobservable Input(s) | | Range (1) | |
| Collateral dependent loans: | | (dollars in thousands) | |
| Commercial real estate loans | | $ | 3,071 | | Market approach | | Adjustments | | | (41%) to 4% | |
| Construction and land development loans | | | 19,465 | | Market approach | | Adjustments | | | 9% to 23% | |
| Commercial and industrial loans | | | 4,708 | | Market approach | | Adjustments | | | (20%) to 20% | |
| Other Real Estate Owned (2) | | | 8,830 | | Market approach | | Adjustments | | | (10%) to 21% | |
| Total | | $ | 36,074 | | | | | | | | |
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| Fair Value, by Balance Sheet Grouping [Table Text Block] |
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| | | | June 30, 2026 | | | December 31, 2025 | |
| | Fair Value | | Carrying | | | Fair | | | Carrying | | | Fair | |
| | Hierarchy | | Value | | | Value | | | Value | | | Value | |
| Financial Assets: | (dollars in thousands) | |
| Cash and cash equivalents | Level 1 | | $ | 283,015 | | | $ | 283,015 | | | $ | 212,317 | | | $ | 212,317 | |
| Interest-earning deposits in other financial institutions | Level 1 | | | 600 | | | | 600 | | | | 600 | | | | 600 | |
| Investment securities – AFS | Level 2 | | | 407,160 | | | | 407,160 | | | | 407,204 | | | | 407,204 | |
| Investment securities – HTM | Level 2 | | | 4,181 | | | | 4,078 | | | | 4,184 | | | | 4,103 | |
| Loans held for sale | Level 2 | | | — | | | | — | | | | 2,067 | | | | 2,067 | |
| Loans, net | Level 3 | | | 3,265,799 | | | | 3,223,679 | | | | 3,270,413 | | | | 3,221,797 | |
| Equity securities (1) | Level 3 | | | 34,165 | | | | 34,165 | | | | 26,086 | | | | 26,086 | |
| Investment in FHLB stock | Level 2 | | | 15,000 | | | | 15,000 | | | | 15,000 | | | | 15,000 | |
| Servicing assets (1) | Level 3 | | | 5,864 | | | | 11,438 | | | | 6,041 | | | | 11,521 | |
| Accrued interest receivable (1) | Level 1/2/3 | | | 16,012 | | | | 16,012 | | | | 16,230 | | | | 16,230 | |
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| | | | Notional | | | Fair | | | Notional | | | Fair | |
| | | | Value | | | Value | | | Value | | | Value | |
| Derivative Assets: | | | | | | | | | | | | | | | | | |
| Forward mortgage loan sale contracts (1) | Level 3 | | $ | — | | | $ | — | | | $ | 515 | | | $ | 11 | |
| | | | | | | | | | | | | | | | | | |
| | | | Carrying | | | Fair | | | Carrying | | | Fair | |
| Financial Liabilities: | | | Value | | | Value | | | Value | | | Value | |
| Deposits | Level 2 | | $ | 3,390,641 | | | $ | 3,388,221 | | | $ | 3,350,398 | | | $ | 3,350,982 | |
| FHLB advances | Level 3 | | | 160,000 | | | | 157,826 | | | | 130,000 | | | | 129,198 | |
| Long-term debt | Level 3 | | | 120,000 | | | | 116,131 | | | | 119,911 | | | | 114,691 | |
| Subordinated debentures | Level 3 | | | 15,484 | | | | 15,299 | | | | 15,375 | | | | 15,227 | |
| Accrued interest payable (2) | Level 2/3 | | | 7,153 | | | | 7,153 | | | | 7,960 | | | | 7,960 | |
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