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Note 2 - INVESTMENT SECURITIES - Securities by Contractual Maturity (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Securities HTM: |  |
Securities HTM, Amortized Cost, Due in one year or less | $ 359 |
Securities HTM, Fair Value, Due in one year or less | 357 |
Securities HTM, Amortized Cost, Due after one year through five years | 28,143 |
Securities HTM, Fair Value, Due after one year through five years | 26,320 |
Securities HTM, Amortized Cost, Due after five years | 880,796 |
Securities HTM, Fair Value, Due after five years | 776,888 |
Securities HTM, Amortized Cost | 909,298 | $ 836,060
Securities HTM, Fair Value | 803,565 | 800,583
Securities AFS: |  |
Securities AFS, Amortized Cost, Due after one year through five years | 21,598 |
Securities AFS, Fair Value, Due after one year through five years | 20,870 |
Securities AFS, Amortized Cost, Due after five years | 238,081 |
Securities AFS, Fair Value, Due after five years | 185,099 |
Securities AFS, Amortized Cost, Maturity Total | 259,679 |
Securities AFS, Fair Value, Maturity Total | 205,969 |
Securities AFS, Amortized Cost | 329,642 | 331,337
Securities AFS, Fair Value | 271,517 | 281,109
Callable Securities |  |
Securities HTM: |  |
Securities HTM, Amortized Cost, Callable of call options | 282,674 |
Securities HTM, Fair Value, Callable of call options | 276,567 |
Securities AFS: |  |
Securities AFS, Amortized Cost | 239,301 |
Securities AFS, Fair Value | 187,583 |
Residential mortgage-backed and related securities |  |
Securities AFS: |  |
Securities AFS, Amortized Cost | 63,364 | 55,641
Securities AFS, Fair Value | 58,864 | 50,042
Securities AFS, Amortized Cost, Without Single Maturity | 63,364 |
Securities AFS, Fair Value, Without Single Maturity | 58,864 |
Asset-backed securities |  |
Securities AFS: |  |
Securities AFS, Amortized Cost | 6,599 | 9,053
Securities AFS, Fair Value | 6,684 | 9,224
Securities AFS, Amortized Cost, Without Single Maturity | 6,599 |
Securities AFS, Fair Value, Without Single Maturity | 6,684 |
Municipal securities |  |
Securities HTM: |  |
Securities HTM, Amortized Cost | 879,663 | 806,992
Securities HTM, Fair Value | 769,950 | 766,866
Securities AFS: |  |
Securities AFS, Amortized Cost | 204,038 | 204,664
Securities AFS, Fair Value | 153,979 | 164,575
Municipal securities | Callable Securities |  |
Securities HTM: |  |
Securities HTM, Amortized Cost, Callable of call options | 254,089 |
Securities HTM, Fair Value, Callable of call options | 244,000 |
Securities AFS: |  |
Securities AFS, Amortized Cost, Without Single Maturity | 203,893 |
Securities AFS, Fair Value, Without Single Maturity | 153,844 |
Corporate securities |  |
Securities HTM: |  |
Securities HTM, Amortized Cost | 28,585 | 28,018
Securities HTM, Fair Value | 32,568 | 32,675
Securities AFS: |  |
Securities AFS, Amortized Cost | 39,373 | 38,866
Securities AFS, Fair Value | 37,723 | $ 36,677
Corporate securities | Callable Securities |  |
Securities HTM: |  |
Securities HTM, Amortized Cost, Callable of call options | 28,585 |
Securities HTM, Fair Value, Callable of call options | 32,567 |
Securities AFS: |  |
Securities AFS, Amortized Cost, Without Single Maturity | 35,408 |
Securities AFS, Fair Value, Without Single Maturity | $ 33,739 |

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