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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Tables) | 9 Months Ended
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Sep. 30, 2024
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent, Alternative [Abstract] |
Schedule of Accumulated Other Comprehensive Income (Loss) | The following tables present changes in AOCI by component, net of tax, for the periods indicated (dollars in thousands):
| Three Months Ended September 30,
| 2024 |  | 2023
| Before Tax |  | Tax Effect |  | Net of Tax |  | Before Tax |  | Tax Effect |  | Net of Tax
Unrealized/Unrecognized gains (losses) on debt securities |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period | $ | (279,334) |  |  | $ | 79,624 |  |  | $ | (199,710) |  |  | $ | (335,359) |  |  | $ | 95,591 |  |  | $ | (239,768) |
Unrealized holding gains (losses) on debt securities available for sale, net | 54,950 |  |  | (15,664) |  |  | 39,286 |  |  | (37,696) |  |  | 10,746 |  |  | (26,950) |
Amounts reclassified from AOCI, net | 11 |  |  | (3) |  |  | 8 |  |  | 33 |  |  | (9) |  |  | 24 |
Amortization of unrecognized losses on securities transferred to held to maturity | 1,384 |  |  | (394) |  |  | 990 |  |  | 1,476 |  |  | (420) |  |  | 1,056 |
Balance at end of period | $ | (222,989) |  |  | $ | 63,563 |  |  | $ | (159,426) |  |  | $ | (371,546) |  |  | $ | 105,908 |  |  | $ | (265,638) |
Unrealized gains (losses) on cash flow hedges |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period | $ | (28,833) |  |  | $ | 8,217 |  |  | $ | (20,616) |  |  | $ | (29,586) |  |  | $ | 8,433 |  |  | $ | (21,153) |
Unrealized holding gains (losses) on cash flow hedges, net | 10,404 |  |  | (2,965) |  |  | 7,439 |  |  | (7,797) |  |  | 2,220 |  |  | (5,577) |
Amounts reclassified from AOCI, net | 2,364 |  |  | (674) |  |  | 1,690 |  |  | 2,290 |  |  | (652) |  |  | 1,638 |
Balance at end of period | $ | (16,065) |  |  | $ | 4,578 |  |  | $ | (11,487) |  |  | $ | (35,093) |  |  | $ | 10,001 |  |  | $ | (25,092) |
Total AOCI | $ | (239,054) |  |  | $ | 68,141 |  |  | $ | (170,913) |  |  | $ | (406,639) |  |  | $ | 115,909 |  |  | $ | (290,730) |
| Nine Months Ended September 30,
| 2024 |  | 2023
| Before Tax |  | Tax Effect |  | Net of Tax |  | Before Tax |  | Tax Effect |  | Net of Tax
Unrealized/Unrecognized gains (losses) on debt securities |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period | $ | (282,688) |  |  | $ | 80,579 |  |  | $ | (202,109) |  |  | $ | (352,878) |  |  | $ | 100,585 |  |  | $ | (252,293) |
Unrealized holding gains (losses) on debt securities available for sale, net | 48,688 |  |  | (13,878) |  |  | 34,810 |  |  | (23,600) |  |  | 6,728 |  |  | (16,872) |
Amounts reclassified from AOCI, net | 6,817 |  |  | (1,943) |  |  | 4,874 |  |  | 207 |  |  | (59) |  |  | 148 |
Amortization of unrecognized losses on securities transferred to held to maturity | 4,194 |  |  | (1,195) |  |  | 2,999 |  |  | 4,725 |  |  | (1,346) |  |  | 3,379 |
Balance at end of period | $ | (222,989) |  |  | $ | 63,563 |  |  | $ | (159,426) |  |  | $ | (371,546) |  |  | $ | 105,908 |  |  | $ | (265,638) |
Unrealized gains (losses) on cash flow hedges |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period | $ | (23,348) |  |  | $ | 6,654 |  |  | $ | (16,694) |  |  | $ | (29,350) |  |  | $ | 8,365 |  |  | $ | (20,985) |
Unrealized holding gains (losses) on cash flow hedges, net | 295 |  |  | (84) |  |  | 211 |  |  | (11,975) |  |  | 3,412 |  |  | (8,563) |
Amounts reclassified from AOCI, net | 6,988 |  |  | (1,992) |  |  | 4,996 |  |  | 6,232 |  |  | (1,776) |  |  | 4,456 |
Balance at end of period | $ | (16,065) |  |  | $ | 4,578 |  |  | $ | (11,487) |  |  | $ | (35,093) |  |  | $ | 10,001 |  |  | $ | (25,092) |
Total AOCI | $ | (239,054) |  |  | $ | 68,141 |  |  | $ | (170,913) |  |  | $ | (406,639) |  |  | $ | 115,909 |  |  | $ | (290,730) |

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