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SEGMENT REPORTING AND REVENUE (Disaggregation of Noninterest Expense by Reportable Operating Segment) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Disaggregation of Noninterest Expenses [Line Items] |  |  |  |
Salaries and benefits | $ 108,319 | $ 69,454 | $ 293,676 | $ 199,867
Occupancy expenses | 13,582 | 7,806 | 34,944 | 22,267
Technology and data processing | 17,009 | 9,737 | 44,444 | 28,138
Furniture and equipment expenses | 6,536 | 3,685 | 16,794 | 10,799
Loan-related expenses | 1,933 | 1,445 | 4,461 | 4,043
Other expenses | 91,067 | 30,455 | 258,008 | 112,745
Total noninterest expenses | 238,446 | 122,582 | 652,327 | 377,859
Operating segments | Wholesale Banking |  |  |  |
Disaggregation of Noninterest Expenses [Line Items] |  |  |  |
Salaries and benefits | 30,979 | 17,961 | 84,586 | 52,379
Occupancy expenses | 418 | 214 | 1,064 | 645
Technology and data processing | 1,138 | 456 | 3,364 | 1,094
Furniture and equipment expenses | 103 | 39 | 229 | 128
Loan-related expenses | 386 | 180 | 247 | 596
Other expenses | 59,958 | 31,671 | 143,297 | 88,084
Total noninterest expenses | 92,982 | 50,521 | 232,787 | 142,926
Operating segments | Consumer Banking |  |  |  |
Disaggregation of Noninterest Expenses [Line Items] |  |  |  |
Salaries and benefits | 27,892 | 18,408 | 77,666 | 53,365
Occupancy expenses | 8,056 | 4,779 | 20,755 | 13,222
Technology and data processing | 504 | 246 | 1,075 | 660
Furniture and equipment expenses | 1,204 | 955 | 3,494 | 2,781
Loan-related expenses | 1,436 | 827 | 3,271 | 2,425
Other expenses | 69,758 | 39,479 | 168,671 | 113,219
Total noninterest expenses | 108,850 | 64,694 | 274,932 | 185,672
Corporate Other |  |  |  |
Disaggregation of Noninterest Expenses [Line Items] |  |  |  |
Salaries and benefits | 49,448 | 33,085 | 131,424 | 94,123
Occupancy expenses | 5,108 | 2,813 | 13,125 | 8,400
Technology and data processing | 15,367 | 9,035 | 40,005 | 26,384
Furniture and equipment expenses | 5,229 | 2,691 | 13,071 | 7,890
Loan-related expenses | 111 | 438 | 943 | 1,022
Other expenses | (38,649) | (40,695) | (53,960) | (88,558)
Total noninterest expenses | $ 36,614 | $ 7,367 | $ 144,608 | $ 49,261

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