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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Reclassification out of Accumulated Other Comprehensive Income (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Other comprehensive income/(loss): |  |  |
Other comprehensive income/(loss) before tax | $ 35,440 | $ 13,542 | $ (69,235)
Provision (Benefit) |  |  |
Other comprehensive income/(loss), provision (benefit) | 7,442 | 2,844 | (14,539)
After Tax |  |  |
Unrealized (losses) / gain, after tax | 45,662 | 26,888 | (53,936)
Less reclassification adjustments, provision (benefit) | (17,664) | (16,190) | (760)
Other comprehensive income/(loss) net of tax | 27,998 | 10,698 | (54,696)
Accumulated Other Comprehensive Income (Loss) |  |  |
Other comprehensive income/(loss): |  |  |
Other comprehensive income/(loss) before tax | 35,440 | 13,542 | (69,235)
Provision (Benefit) |  |  |
Other comprehensive income/(loss), provision (benefit) | 7,442 | 2,844 | (14,539)
After Tax |  |  |
Other comprehensive income/(loss) net of tax | 27,998 | 10,698 | (54,696)
Securities | Available-for-Sale Securities |  |  |
Other comprehensive income/(loss): |  |  |
Unrealized (losses) / gain, before tax | 40,145 | 59,640 | (137,500)
Other comprehensive income/(loss) before tax | 39,078 | 59,640 | (137,506)
Provision (Benefit) |  |  |
Unrealized (losses) / gain, provision (benefit) | 8,430 | 12,526 | (28,876)
Other comprehensive income/(loss), provision (benefit) | 8,206 | 12,526 | (28,877)
After Tax |  |  |
Unrealized (losses) / gain, after tax | 31,715 | 47,114 | (108,624)
Other comprehensive income/(loss) net of tax | 30,872 | 47,114 | (108,629)
Securities | Held-to-Maturity Securities |  |  |
Other comprehensive income/(loss): |  |  |
Unrealized (losses) / gain, before tax | 0 | (31,898) | 0
Less reclassification adjustments, before tax | (636) | 148 | 259
Other comprehensive income/(loss) before tax | (636) | (31,750) | 259
Provision (Benefit) |  |  |
Unrealized (losses) / gain, provision (benefit) | 0 | (6,699) | 0
Less reclassification adjustments, provision (benefit) | (134) | 30 | 55
Other comprehensive income/(loss), provision (benefit) | (134) | (6,669) | 55
After Tax |  |  |
Unrealized (losses) / gain, after tax | 0 | (25,199) | 0
Less reclassification adjustments, provision (benefit) | (502) | 118 | 204
Other comprehensive income/(loss) net of tax | (502) | (25,081) | 204
Securities | Gain on sale of available-for sale investment securities | Available-for-Sale Securities |  |  |
Other comprehensive income/(loss): |  |  |
Less reclassification adjustments, before tax | (1,052) | 0 | 0
Provision (Benefit) |  |  |
Less reclassification adjustments, provision (benefit) | (221) | 0 | 0
After Tax |  |  |
Less reclassification adjustments, provision (benefit) | (831) | 0 | 0
Securities | Other income | Available-for-Sale Securities |  |  |
Other comprehensive income/(loss): |  |  |
Less reclassification adjustments, before tax | (15) | 0 | (6)
Provision (Benefit) |  |  |
Less reclassification adjustments, provision (benefit) | (3) | 0 | (1)
After Tax |  |  |
Less reclassification adjustments, provision (benefit) | (12) | 0 | (5)
Cash Flow Hedges |  |  |
Other comprehensive income/(loss): |  |  |
Unrealized (losses) / gain, before tax | 17,655 | 6,295 | 69,225
Less reclassification adjustments, before tax | (20,657) | (20,643) | (1,213)
Other comprehensive income/(loss) before tax | (3,002) | (14,348) | 68,012
Provision (Benefit) |  |  |
Unrealized (losses) / gain, provision (benefit) | 3,708 | 1,322 | 14,537
Less reclassification adjustments, provision (benefit) | (4,338) | (4,335) | (254)
Other comprehensive income/(loss), provision (benefit) | (630) | (3,013) | 14,283
After Tax |  |  |
Unrealized (losses) / gain, after tax | 13,947 | 4,973 | 54,688
Less reclassification adjustments, provision (benefit) | (16,319) | (16,308) | (959)
Other comprehensive income/(loss) net of tax | $ (2,372) | $ (11,335) | $ 53,729

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