Note 7 - Loans and the Allowance for Credit Losses - Loans Receivable on Nonaccrual Status (Details) - USD ($) $ in Thousands |
Sep. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Nonaccrual loans with ACL | $ 40,915 | $ 2,743 |
| Nonaccrual loans without ACL | 23,415 | 43,172 |
| Total Nonaccrual loans | 64,330 | 45,915 |
| Commercial Portfolio Segment [Member] | ||
| Nonaccrual loans with ACL | 1,205 | 1,987 |
| Nonaccrual loans without ACL | 10,007 | 11,052 |
| Total Nonaccrual loans | 11,212 | 13,039 |
| Commercial Real Estate Portfolio Segment [Member] | ||
| Nonaccrual loans with ACL | 39,236 | 207 |
| Nonaccrual loans without ACL | 10,754 | 28,354 |
| Total Nonaccrual loans | 49,990 | 28,561 |
| Residential Portfolio Segment [Member] | ||
| Nonaccrual loans with ACL | 474 | 549 |
| Nonaccrual loans without ACL | 2,654 | 3,766 |
| Total Nonaccrual loans | $ 3,128 | $ 4,315 |