Note 5 - Loans - Average Balance and Interest Income Recognized Related to Non-accrual Loans (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Average Recorded Investment | $ 107,795 | $ 180,994 | $ 104,082 | $ 174,752 |
| Interest Income Recognized | 2 | 2 | 4 | 6 |
| Commercial Portfolio Segment [Member] | ||||
| Average Recorded Investment | 9,338 | 57,717 | 11,357 | 56,919 |
| Interest Income Recognized | 2 | 2 | 4 | 6 |
| Commercial Real Estate Portfolio Segment [Member] | ||||
| Average Recorded Investment | 67,078 | 93,809 | 60,968 | 88,772 |
| Interest Income Recognized | 0 | 0 | 0 | 0 |
| Real Estate Construction Portfolio Segment [Member] | ||||
| Average Recorded Investment | 5,411 | 2,720 | ||
| Interest Income Recognized | 0 | 0 | ||
| Residential Mortgage and Equity Lines Portfolio Segment [Member] | ||||
| Average Recorded Investment | 31,379 | 24,057 | 31,757 | 26,341 |
| Interest Income Recognized | $ 0 | $ 0 | $ 0 | $ 0 |