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STOCKHOLDERS' EQUITY (Change in Accumulated Other Comprehensive Income) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
Beginning balance | $ 2,556,327 | $ 2,372,737 | $ 2,710,071
Net current period other comprehensive (loss) income | (16,337) | 74,937 | (436,921)
Ending balance | 3,142,879 | 2,556,327 | 2,372,737
AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-Sale, Parent [Member] |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
Beginning balance | (302,532) | (363,919) | 22,763
Other comprehensive income (loss) before reclassification | (19,739) | 29,006 | (386,684)
Amounts reclassified from AOCI into earnings | 5,129 | 32,381 | 2
Net current period other comprehensive (loss) income | (14,610) | 61,387 | (386,682)
Ending balance | (317,142) | (302,532) | (363,919)
Unrealized Gains (Losses) for AFS Securities Transferred to HTM |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
Beginning balance | 6 | 17 | 35
Other comprehensive income (loss) before reclassification | 0 | 0 | 0
Amounts reclassified from AOCI into earnings | (6) | (11) | (18)
Net current period other comprehensive (loss) income | (6) | (11) | (18)
Ending balance | 0 | 6 | 17
Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
Beginning balance | (42,165) | (54,610) | (1,567)
Other comprehensive income (loss) before reclassification | (913) | 12,445 | (53,043)
Amounts reclassified from AOCI into earnings |  | 0 | 0
Net current period other comprehensive (loss) income | (913) | 12,445 | (53,043)
Ending balance | (43,078) | (42,165) | (54,610)
Unrealized Gains (Losses) on BOLI |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
Beginning balance | 1,342 | 226 | (2,596)
Other comprehensive income (loss) before reclassification | (16) | 10 | 2,205
Amounts reclassified from AOCI into earnings | (792) | 1,106 | 617
Net current period other comprehensive (loss) income | (808) | 1,116 | 2,822
Ending balance | 534 | 1,342 | 226
AOCI Attributable to Parent [Member] |  |  |
AOCI Attributable to Parent, Net of Tax [Roll Forward] |  |  |
Beginning balance | (343,349) | (418,286) | 18,635
Other comprehensive income (loss) before reclassification | (20,668) | 41,461 | (437,522)
Amounts reclassified from AOCI into earnings | 4,331 | 33,476 | 601
Net current period other comprehensive (loss) income | (16,337) | 74,937 | (436,921)
Ending balance | $ (359,686) | $ (343,349) | $ (418,286)

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