Note 4 - Loans and Allowance for Credit Losses - Schedule of Financing Receivables, Nonaccrual Status (Details) - USD ($) $ in Thousands |
Jun. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Nonaccrual with no allowance for credit loss | $ 23,759 | $ 41,275 |
| Non-accrual Loans | 23,759 | 44,632 |
| Single Family Residential Mortgages Loans [Member] | ||
| Nonaccrual with no allowance for credit loss | 394 | 2,143 |
| Non-accrual Loans | 394 | 2,143 |
| Commercial Real Estate Portfolio Segment [Member] | ||
| Nonaccrual with no allowance for credit loss | 8,146 | 4,801 |
| Non-accrual Loans | 8,146 | 8,158 |
| Construction And Land Development Loans [Member] | ||
| Nonaccrual with no allowance for credit loss | 8,072 | 27,994 |
| Non-accrual Loans | 8,072 | 27,994 |
| Commercial and Industrial [Member] | ||
| Nonaccrual with no allowance for credit loss | 5,113 | 5,116 |
| Non-accrual Loans | 5,113 | 5,116 |
| SBA Loans [Member] | ||
| Nonaccrual with no allowance for credit loss | 2,029 | 1,221 |
| Non-accrual Loans | 2,029 | 1,221 |
| Other [Member] | ||
| Nonaccrual with no allowance for credit loss | 5 | 0 |
| Non-accrual Loans | $ 5 | $ 0 |