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 | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Balance | $ (101) | $ (28) | $ (49) | $ (103) |
| Purchases and issuances | (173) | (10) | (419) | (28) |
| Sales and settlements | 204 | 55 | 398 | 148 |
| Balance | (70) | 17 | (70) | 17 |
| Unrealized gains (losses) related to items held during the period | $ 31 | $ 45 | $ (21) | $ 120 |