Note 3 - Investment Securities - Interest Income From Investment Securities (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
|
| Taxable | $ 38,847 | $ 51,804 | $ 80,127 | $ 105,949 |
| Tax-exempt from regular federal income tax | 824 | 953 | 1,663 | 1,947 |
| Total interest income from investment securities | $ 39,671 | $ 52,757 | $ 81,790 | $ 107,896 |
| X | ||||||||||
- Definition Amount of operating dividend and interest income, including amortization and accretion of premiums and discounts, on securities. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of operating interest income, including amortization and accretion of premiums and discounts, on securities exempt from state, federal and other income tax. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of operating interest income, including amortization and accretion of premiums and discounts, on securities subject to state, federal and other income tax. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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