Note 10 - Fair Value of Financial Instruments - Assets and Liabilities Measured at Fair Value Using Significant Unobservable Inputs on Recurring Basis (Details) - Interest Rate Lock Commitments [Member] - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| Balance | $ (70) | $ 17 | $ (49) | $ (103) |
| Purchases and issuances | (233) | (107) | (652) | (135) |
| Sales and settlements | 215 | 45 | 613 | 193 |
| Balance | (88) | (45) | (88) | (45) |
| Unrealized (losses) gains related to items held during the period | $ (18) | $ (62) | $ (39) | $ 58 |