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SECURITIES - Investment Securities Available for Sale in Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Fair Value |  |
Less than 12 months | $ 29,297 | $ 137,597
12 months or longer | 546,649 | 468,381
Total | 575,946 | 605,978
Unrealized Losses |  |
Less than 12 months | 2,762 | 9,999
12 months or longer | 82,418 | 86,767
Total | 85,180 | 96,766
U.S. treasury notes and bonds |  |
Fair Value |  |
Less than 12 months | 0 | 1,011
12 months or longer | 55,332 | 54,563
Total | 55,332 | 55,574
Unrealized Losses |  |
Less than 12 months | 0 | 30
12 months or longer | 4,480 | 6,195
Total | 4,480 | 6,225
Mortgage-backed securities, residential |  |
Fair Value |  |
Less than 12 months | 0 | 79,891
12 months or longer | 402,986 | 355,240
Total | 402,986 | 435,131
Unrealized Losses |  |
Less than 12 months | 0 | 7,621
12 months or longer | 72,422 | 76,086
Total | 72,422 | 83,707
Obligations of states and political subdivisions |  |
Fair Value |  |
Less than 12 months | 17,891 | 37,847
12 months or longer | 20,686 | 0
Total | 38,577 | 37,847
Unrealized Losses |  |
Less than 12 months | 241 | 938
12 months or longer | 576 | 0
Total | 817 | 938
Corporate bonds and notes |  |
Fair Value |  |
Less than 12 months | 7,492 | 4,515
12 months or longer | 13,177 | 7,455
Total | 20,669 | 11,970
Unrealized Losses |  |
Less than 12 months | 2,508 | 485
12 months or longer | 2,573 | 3,295
Total | 5,081 | 3,780
SBA loan pools |  |
Fair Value |  |
Less than 12 months | 3,914 | 14,333
12 months or longer | 54,468 | 51,123
Total | 58,382 | 65,456
Unrealized Losses |  |
Less than 12 months | 13 | 925
12 months or longer | 2,367 | 1,191
Total | $ 2,380 | $ 2,116

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