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Note 2 - INVESTMENT SECURITIES - Securities in a Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands | Jun. 30, 2025 | Dec. 31, 2024
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Securities HTM: |  |
Securities HTM, Less than 12 Months, Fair Value | $ 277,490 | $ 163,414
Securities HTM, Less than 12 Months, Gross Unrealized Losses | (48,222) | (14,382)
Securities HTM, 12 Months or More, Fair Value | 280,037 | 254,361
Securities HTM, 12 Months or More, Gross Unrealized Losses | (72,442) | (48,789)
Securities HTM, Total, Fair Value | 557,527 | 417,775
Securities HTM, Total, Gross Unrealized Losses | (120,664) | (63,171)
Securities AFS: |  |
Securities AFS, Less than 12 Months, Fair Value | 15,439 | 8,657
Securities AFS, Less than 12 Months, Gross Unrealized Losses | (197) | (32)
Securities AFS, 12 Months or More, Fair Value | 233,656 | 261,378
Securities AFS, 12 Months or More, Gross Unrealized Losses | (58,055) | (50,381)
Securities AFS, Total, Fair Value | 249,095 | 270,035
Securities AFS, Total, Gross Unrealized Losses | (58,252) | (50,413)
Municipal securities |  |
Securities HTM: |  |
Securities HTM, Less than 12 Months, Fair Value | 276,990 | 162,914
Securities HTM, Less than 12 Months, Gross Unrealized Losses | (48,221) | (14,382)
Securities HTM, 12 Months or More, Fair Value | 279,489 | 253,818
Securities HTM, 12 Months or More, Gross Unrealized Losses | (72,441) | (48,782)
Securities HTM, Total, Fair Value | 556,479 | 416,732
Securities HTM, Total, Gross Unrealized Losses | (120,662) | (63,164)
Securities AFS: |  |
Securities AFS, Less than 12 Months, Fair Value | 1,400 | 798
Securities AFS, Less than 12 Months, Gross Unrealized Losses | (44) | (6)
Securities AFS, 12 Months or More, Fair Value | 152,579 | 163,777
Securities AFS, 12 Months or More, Gross Unrealized Losses | (50,015) | (40,083)
Securities AFS, Total, Fair Value | 153,979 | 164,575
Securities AFS, Total, Gross Unrealized Losses | (50,059) | (40,089)
Other securities |  |
Securities HTM: |  |
Securities HTM, Less than 12 Months, Fair Value | 500 | 500
Securities HTM, Less than 12 Months, Gross Unrealized Losses | (1) |
Securities HTM, 12 Months or More, Fair Value | 548 | 543
Securities HTM, 12 Months or More, Gross Unrealized Losses | (1) | (7)
Securities HTM, Total, Fair Value | 1,048 | 1,043
Securities HTM, Total, Gross Unrealized Losses | (2) | (7)
U.S. treasuries and govt. sponsored agency securities |  |
Securities AFS: |  |
Securities AFS, Less than 12 Months, Fair Value | 62 | 6,522
Securities AFS, Less than 12 Months, Gross Unrealized Losses | (1) | (2)
Securities AFS, 12 Months or More, Fair Value | 13,643 | 13,369
Securities AFS, 12 Months or More, Gross Unrealized Losses | (2,003) | (2,527)
Securities AFS, Total, Fair Value | 13,705 | 19,891
Securities AFS, Total, Gross Unrealized Losses | (2,004) | (2,529)
Residential mortgage-backed and related securities |  |
Securities AFS: |  |
Securities AFS, Less than 12 Months, Fair Value | 13,977 | 1,337
Securities AFS, Less than 12 Months, Gross Unrealized Losses | (152) | (24)
Securities AFS, 12 Months or More, Fair Value | 35,931 | 48,520
Securities AFS, 12 Months or More, Gross Unrealized Losses | (4,354) | (5,578)
Securities AFS, Total, Fair Value | 49,908 | 49,857
Securities AFS, Total, Gross Unrealized Losses | (4,506) | (5,602)
Corporate securities |  |
Securities AFS: |  |
Securities AFS, 12 Months or More, Fair Value | 31,503 | 35,712
Securities AFS, 12 Months or More, Gross Unrealized Losses | (1,683) | (2,193)
Securities AFS, Total, Fair Value | 31,503 | 35,712
Securities AFS, Total, Gross Unrealized Losses | $ (1,683) | $ (2,193)

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