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LOANS AND ALLOWANCE FOR LOAN AND LEASE LOSSES (Narrative) (Details) | 3 Months Ended | 15 Months Ended |  |
--- | --- | --- | --- | ---
Mar. 31, 2025 USD ($) segment | Mar. 31, 2024 USD ($) | Mar. 31, 2025 USD ($) | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Nonaccrual loans, interest income | $ 0 | $ 0 |  |  |
Loans under modified terms | 2,171,000 |  |  |  |
Amortized Cost | 2,171,000 |  |  |  |
Total Allowance for credit losses | 193,796,000 | 136,190,000 | $ 193,796,000 | $ 178,644,000 | $ 132,182,000
Held for sale loans moved to nonaccrual status | 355,000 | 0 |  |  |
Unfunded commitments on loans modified and designated as TLMs | 0 |  | 0 |  |
TLM loans that went into default | 0 | 0 |  |  |
TLMs that are past due | $ 0 | 0 |  |  |
Number of operating segments | segment | 2 |  |  |  |
Loans held for investment, accrued interest receivable | $ 71,400,000 |  | $ 71,400,000 | 73,700,000 |
Financing Receivable Accrued Interest After Allowance For Credit Loss Statement Of Financial Position Extensible List Not Disclosed (Flag) |  |  | true |  |
Revolving loans converted to term |  |  | $ 0 |  |
Commercial Portfolio Segment [Member] |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Total Allowance for credit losses | $ 162,908,000 | 110,528,000 | $ 162,908,000 | $ 148,887,000 | $ 105,896,000
Troubled Loan Modifications |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Loans under modified terms |  | 36,000 |  |  |
Amortized Cost |  | $ 36,000 |  |  |

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