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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Tables) | 12 Months Ended
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Dec. 31, 2023
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent, Alternative [Abstract] |
Summary of changes in AOCI by component | The following tables present changes in AOCI by component, net of tax, for the periods below (dollars in thousands):
| Year Ended December 31, 2023 |  |  |  |
| Before Tax |  | Tax Effect |  | Net of Tax |  |  |  |  |  |  |  |  |  |  |  |
Unrealized/Unrecognized gains (losses) on debt securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period | $ | (352,878) |  |  | $ | 100,585 |  |  | $ | (252,293) |  |  |  |  |  |  |  |  |  |  |  |  |
Unrealized holding gains (losses) on debt securities available for sale, net | 58,498 |  |  | (16,674) |  |  | 41,824 |  |  |  |  |  |  |  |  |  |  |  |  |
Amounts reclassified from AOCI, net | 5,503 |  |  | (1,569) |  |  | 3,934 |  |  |  |  |  |  |  |  |  |  |  |  |
Amortization of unrecognized losses on securities transferred to held to maturity | 6,189 |  |  | (1,763) |  |  | 4,426 |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at end of period | $ | (282,688) |  |  | $ | 80,579 |  |  | $ | (202,109) |  |  |  |  |  |  |  |  |  |  |  |  |
Unrealized gains (losses) on cash flow hedges |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period | $ | (29,350) |  |  | $ | 8,365 |  |  | $ | (20,985) |  |  |  |  |  |  |  |  |  |  |  |  |
Unrealized holding gains (losses) on cash flow hedges, net | (2,567) |  |  | 732 |  |  | (1,835) |  |  |  |  |  |  |  |  |  |  |  |  |
Amounts reclassified from AOCI, net | 8,569 |  |  | (2,443) |  |  | 6,126 |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at end of period | $ | (23,348) |  |  | $ | 6,654 |  |  | $ | (16,694) |  |  |  |  |  |  |  |  |  |  |  |  |
Total AOCI | $ | (306,036) |  |  | $ | 87,233 |  |  | $ | (218,803) |  |  |  |  |  |  |  |  |  |  |  |  |
|  |  | Year Ended December 31, 2022 |  |
|  |  |  |  |  |  | Before Tax |  | Tax Effect |  | Net of Tax |  |  |  |  |  |
Unrealized/Unrecognized gains (losses) on debt securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period |  |  |  |  |  |  | $ | (32,272) |  |  | $ | 9,199 |  |  | $ | (23,073) |  |  |  |  |  |  |
Unrealized holding gains (losses) on debt securities available for sale, net |  |  |  |  |  |  | (278,762) |  |  | 79,460 |  |  | (199,302) |  |  |  |  |  |  |
Unrecognized losses on debt securities transferred to held to maturity from available for sale |  |  |  |  |  |  | (48,456) |  |  | 13,812 |  |  | (34,644) |  |  |  |  |  |  |
Amounts reclassified from AOCI, net |  |  |  |  |  |  | (26) |  |  | 7 |  |  | (19) |  |  |  |  |  |  |
Amortization of unrecognized losses on securities transferred to held to maturity |  |  |  |  |  |  | 6,638 |  |  | (1,893) |  |  | 4,745 |  |  |  |  |  |  |
Balance at end of period |  |  |  |  |  |  | $ | (352,878) |  |  | $ | 100,585 |  |  | $ | (252,293) |  |  |  |  |  |  |
Unrealized gains (losses) on cash flow hedges |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period |  |  |  |  |  |  | $ | (958) |  |  | $ | 273 |  |  | $ | (685) |  |  |  |  |  |  |
Unrealized holding gains (losses) on cash flow hedges, net |  |  |  |  |  |  | (28,975) |  |  | 8,258 |  |  | (20,717) |  |  |  |  |  |  |
Amounts reclassified from AOCI, net |  |  |  |  |  |  | 583 |  |  | (166) |  |  | 417 |  |  |  |  |  |  |
Balance at end of period |  |  |  |  |  |  | $ | (29,350) |  |  | $ | 8,365 |  |  | $ | (20,985) |  |  |  |  |  |  |
Total AOCI |  |  |  |  |  |  | $ | (382,228) |  |  | $ | 108,950 |  |  | $ | (273,278) |  |  |  |  |  |  |
|  |  |  |  | Year Ended December 31, 2021
|  |  |  |  |  |  |  |  |  |  |  |  | Before Tax |  | Tax Effect |  | Net of Tax
Unrealized/Unrecognized gains (losses) on debt securities |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period |  |  |  |  |  |  |  |  |  |  |  |  | $ | 49,644 |  |  | $ | (14,151) |  |  | $ | 35,493 |
Unrealized holding gains (losses) on debt securities available for sale, net |  |  |  |  |  |  |  |  |  |  |  |  | (81,977) |  |  | 23,367 |  |  | (58,610) |
Amounts reclassified from AOCI, net |  |  |  |  |  |  |  |  |  |  |  |  | 61 |  |  | (17) |  |  | 44 |
Balance at end of period |  |  |  |  |  |  |  |  |  |  |  |  | $ | (32,272) |  |  | $ | 9,199 |  |  | $ | (23,073) |
Unrealized gains (losses) on cash flow hedges |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Balance at beginning of period |  |  |  |  |  |  |  |  |  |  |  |  | $ | (3,055) |  |  | $ | 871 |  |  | $ | (2,184) |
Unrealized holding gains (losses) on cash flow hedges, net |  |  |  |  |  |  |  |  |  |  |  |  | 1,030 |  |  | (294) |  |  | 736 |
Amounts reclassified from AOCI, net |  |  |  |  |  |  |  |  |  |  |  |  | 1,067 |  |  | (304) |  |  | 763 |
Balance at end of period |  |  |  |  |  |  |  |  |  |  |  |  | $ | (958) |  |  | $ | 273 |  |  | $ | (685) |
Total AOCI |  |  |  |  |  |  |  |  |  |  |  |  | $ | (33,230) |  |  | $ | 9,472 |  |  | $ | (23,758) |

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