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SECURITIES - Investments in a Continuous Unrealized Loss Position (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Unrealized Loss |  |
Less than 12 Months | $ (631) | $ (37,977)
12 Months or More | (71,631) | (53,061)
Total | (72,262) | (91,038)
Fair Value |  |
Less than 12 Months | 21,648 | 531,226
12 Months or More | 720,834 | 299,159
Total | 742,482 | 830,385
Unrealized Loss |  |
Less than 12 Months |  | (22,823)
12 Months or More |  | (40,171)
Total |  | (62,994)
Fair Value |  |
Less than 12 Months |  | 220,934
12 Months or More |  | 239,252
Total |  | 460,186
Unrealized Loss |  |
Less than 12 Months |  | (60,800)
12 Months or More |  | (93,232)
Total |  | (154,032)
Fair Value |  |
Less than 12 Months |  | 752,160
12 Months or More |  | 538,411
Total |  | 1,290,571
U.S. Treasury |  |
Unrealized Loss |  |
Less than 12 Months | 0 | (8,401)
12 Months or More | (11,093) | (6,944)
Total | (11,093) | (15,345)
Fair Value |  |
Less than 12 Months | 0 | 92,445
12 Months or More | 148,622 | 62,070
Total | 148,622 | 154,515
U.S. government agency |  |
Unrealized Loss |  |
Less than 12 Months | (2) | (2,980)
12 Months or More | (3,260) | (1,154)
Total | (3,262) | (4,134)
Fair Value |  |
Less than 12 Months | 168 | 47,370
12 Months or More | 51,910 | 7,787
Total | 52,078 | 55,157
Unrealized Loss |  |
Less than 12 Months |  | (1,754)
12 Months or More |  | (7,974)
Total |  | (9,728)
Fair Value |  |
Less than 12 Months |  | 15,751
12 Months or More |  | 62,945
Total |  | 78,696
Municipal |  |
Unrealized Loss |  |
Less than 12 Months | (26) | (10,906)
12 Months or More | (23,473) | (21,283)
Total | (23,499) | (32,189)
Fair Value |  |
Less than 12 Months | 4,749 | 149,261
12 Months or More | 194,287 | 87,794
Total | 199,036 | 237,055
Unrealized Loss |  |
Less than 12 Months |  | (314)
12 Months or More |  | 0
Total |  | (314)
Fair Value |  |
Less than 12 Months |  | 23,433
12 Months or More |  | 0
Total |  | 23,433
Agency residential |  |
Unrealized Loss |  |
Less than 12 Months | (163) | (8,332)
12 Months or More | (14,555) | (9,908)
Total | (14,718) | (18,240)
Fair Value |  |
Less than 12 Months | 9,354 | 127,288
12 Months or More | 156,785 | 65,692
Total | 166,139 | 192,980
Unrealized Loss |  |
Less than 12 Months |  | (4,039)
12 Months or More |  | (2,431)
Total |  | (6,470)
Fair Value |  |
Less than 12 Months |  | 78,452
12 Months or More |  | 17,806
Total |  | 96,258
Agency commercial |  |
Unrealized Loss |  |
Less than 12 Months | (26) | (4,764)
12 Months or More | (14,179) | (12,408)
Total | (14,205) | (17,172)
Fair Value |  |
Less than 12 Months | 3,016 | 62,672
12 Months or More | 123,404 | 70,216
Total | 126,420 | 132,888
Unrealized Loss |  |
Less than 12 Months |  | (16,716)
12 Months or More |  | (29,766)
Total |  | (46,482)
Fair Value |  |
Less than 12 Months |  | 103,298
12 Months or More |  | 158,501
Total |  | 261,799
Corporate |  |
Unrealized Loss |  |
Less than 12 Months | (414) | (2,594)
12 Months or More | (5,071) | (1,364)
Total | (5,485) | (3,958)
Fair Value |  |
Less than 12 Months | 4,361 | 52,190
12 Months or More | 45,826 | 5,600
Total | $ 50,187 | $ 57,790

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