Note 6 - Deposits (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|
Mar. 31, 2026 |
Dec. 31, 2025 |
|||
| Brokered Deposit | $ 447,600 | $ 475,400 | ||
| Interest-Bearing Domestic Deposit, Brokered | [1] | $ 38,460 | $ 0 | |
| Percentage of Interest-Bearing Domestic Deposits to Deposits, Brokered | 2.00% | 0.00% | ||
| Overdrawn Deposits | $ 227 | $ 15 | ||
| Deposits | 2,199,319 | 2,186,073 | ||
| Lender Concentration Risk [Member] | Deposit Concentration Benchmark [Member] | Percentage of Total Deposits [Member] | ||||
| Deposits | $ 225,000 | $ 228,700 | ||
| Concentration Risk, Percentage | 10.00% | |||
| Lender Concentration Risk [Member] | Deposit Concentration Benchmark [Member] | Uninsured Deposits [Member] | ||||
| Concentration Risk, Percentage | 42.00% | 42.00% | ||
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