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SEGMENT REPORTING AND REVENUE (Disaggregation of Noninterest Expense by Reportable Operating Segment) (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2025 | Mar. 31, 2024
Disaggregation of Noninterest Expenses [Line Items] |  |
Salaries and benefits | $ 75,415 | $ 61,882
Occupancy expenses | 8,580 | 6,625
Furniture and equipment expenses | 3,914 | 3,309
Loan-related expenses | 1,249 | 1,323
Other expenses | 45,026 | 32,134
Total noninterest expenses | 134,184 | 105,273
Operating segments | Wholesale Banking |  |
Disaggregation of Noninterest Expenses [Line Items] |  |
Salaries and benefits | 20,684 | 16,434
Occupancy expenses | 236 | 222
Furniture and equipment expenses | 62 | 38
Loan-related expenses | 113 | 212
Other expenses | 34,117 | 27,049
Total noninterest expenses | 55,212 | 43,955
Operating segments | Consumer Banking |  |
Disaggregation of Noninterest Expenses [Line Items] |  |
Salaries and benefits | 19,936 | 16,273
Occupancy expenses | 5,166 | 3,953
Furniture and equipment expenses | 994 | 776
Loan-related expenses | 774 | 748
Other expenses | 40,697 | 34,130
Total noninterest expenses | 67,567 | 55,880
Corporate Other |  |
Disaggregation of Noninterest Expenses [Line Items] |  |
Salaries and benefits | 34,795 | 29,175
Occupancy expenses | 3,178 | 2,450
Furniture and equipment expenses | 2,858 | 2,495
Loan-related expenses | 362 | 363
Other expenses | (29,788) | (29,045)
Total noninterest expenses | $ 11,405 | $ 5,438

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