Note 6 - Loans and the Allowance for Credit Losses - Loans Receivable on Nonaccrual Status (Details) - USD ($) $ in Thousands |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Nonaccrual loans with ACL | $ 11,935 | $ 2,743 |
| Nonaccrual loans without ACL | 29,644 | 43,172 |
| Total Nonaccrual loans | 41,579 | 45,915 |
| Commercial Portfolio Segment [Member] | ||
| Nonaccrual loans with ACL | 1,996 | 1,987 |
| Nonaccrual loans without ACL | 10,802 | 11,052 |
| Total Nonaccrual loans | 12,798 | 13,039 |
| Commercial Real Estate Portfolio Segment [Member] | ||
| Nonaccrual loans with ACL | 9,411 | 207 |
| Nonaccrual loans without ACL | 15,524 | 28,354 |
| Total Nonaccrual loans | 24,935 | 28,561 |
| Residential Portfolio Segment [Member] | ||
| Nonaccrual loans with ACL | 528 | 549 |
| Nonaccrual loans without ACL | 3,318 | 3,766 |
| Total Nonaccrual loans | $ 3,846 | $ 4,315 |