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INVESTMENT SECURITIES - Continuous Unrealized Loss on Position (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Available-for-sale Securities |  |
Less than 12 months, gross unrealized losses | $ (579) | $ (95,493)
Less than 12 months, fair value | 135,407 | 1,187,577
12 months or more, gross unrealized losses | (115,685) | (35,604)
12 months or more, fair value | 1,055,874 | 146,230
Total gross unrealized losses | (116,264) | (131,097)
Total fair value | 1,191,281 | 1,333,807
Residential |  |
Available-for-sale Securities |  |
Less than 12 months, gross unrealized losses | (3) | (8,845)
Less than 12 months, fair value | 1,145 | 191,398
12 months or more, gross unrealized losses | (10,457) | (1,338)
12 months or more, fair value | 177,393 | 5,763
Total gross unrealized losses | (10,460) | (10,183)
Total fair value | 178,538 | 197,161
Commercial |  |
Available-for-sale Securities |  |
Less than 12 months, gross unrealized losses | 0 | (5,729)
Less than 12 months, fair value | 61 | 41,416
12 months or more, gross unrealized losses | (7,479) | (3,633)
12 months or more, fair value | 47,695 | 14,619
Total gross unrealized losses | (7,479) | (9,362)
Total fair value | 47,756 | 56,035
Residential |  |
Available-for-sale Securities |  |
Less than 12 months, gross unrealized losses | (368) | (27,789)
Less than 12 months, fair value | 83,815 | 498,333
12 months or more, gross unrealized losses | (33,171) | (11,633)
12 months or more, fair value | 348,914 | 45,689
Total gross unrealized losses | (33,539) | (39,422)
Total fair value | 432,729 | 544,022
Commercial |  |
Available-for-sale Securities |  |
Less than 12 months, gross unrealized losses | 0 | (4,787)
Less than 12 months, fair value | 0 | 56,671
12 months or more, gross unrealized losses | (6,059) | (2,603)
12 months or more, fair value | 57,397 | 13,848
Total gross unrealized losses | (6,059) | (7,390)
Total fair value | 57,397 | 70,519
Municipal bonds |  |
Available-for-sale Securities |  |
Less than 12 months, gross unrealized losses | (73) | (44,513)
Less than 12 months, fair value | 7,489 | 350,918
12 months or more, gross unrealized losses | (47,780) | (13,326)
12 months or more, fair value | 364,775 | 46,377
Total gross unrealized losses | (47,853) | (57,839)
Total fair value | 372,264 | 397,295
Held-to-Maturity Securities |  |
Less than 12 months, gross unrealized losses | 0 | (56)
Less than 12 months, fair value | 0 | 2,385
12 months or more, gross unrealized losses | (40) | 0
12 months or more, fair value | 2,331 | 0
HTM securities in unrealized loss position, gross unrealized losses | (40) | (56)
HTM securities in unrealized loss position, gross unrealized losses, fair value | 2,331 | 2,385
Corporate debt securities |  |
Available-for-sale Securities |  |
Less than 12 months, gross unrealized losses | 0 | (3,801)
Less than 12 months, fair value | 0 | 32,871
12 months or more, gross unrealized losses | (7,098) | 0
12 months or more, fair value | 28,513 | 0
Total gross unrealized losses | (7,098) | (3,801)
Total fair value | 28,513 | 32,871
U.S. Treasury securities |  |
Available-for-sale Securities |  |
Less than 12 months, gross unrealized losses | 0 | 0
Less than 12 months, fair value | 0 | 0
12 months or more, gross unrealized losses | (2,474) | (3,071)
12 months or more, fair value | 20,184 | 19,934
Total gross unrealized losses | (2,474) | (3,071)
Total fair value | 20,184 | 19,934
Agency debentures |  |
Available-for-sale Securities |  |
Less than 12 months, gross unrealized losses | (135) | (29)
Less than 12 months, fair value | 42,897 | 15,970
12 months or more, gross unrealized losses | (1,167) | 0
12 months or more, fair value | 11,003 | 0
Total gross unrealized losses | (1,302) | (29)
Total fair value | $ 53,900 | $ 15,970

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