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LOANS AND LEASES - Financial Difficulty Modifications (Details) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2024 USD ($) loans | Sep. 30, 2023 USD ($) loans | Sep. 30, 2024 USD ($) loans | Sep. 30, 2023 USD ($) loans | Dec. 31, 2023 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 11,473 | $ 3,590 | $ 28,987 | $ 8,506 |
Finance Receivable Percentage Of Class Of Loans And Leases | 0.0010 | 0.0003 | 0.0025 | 0.0008 |
Derivative liabilities | $ 274,218 |  | $ 274,218 |  | $ 263,131
Unused Commitments to Extend Credit | $ 3,780,350 |  | $ 3,780,350 |  | 3,982,599
Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts | loans | 1 | 4 | 6 | 5 |
Financing Receivable, Troubled Debt Restructuring, Subsequent Default | $ 100 | $ 400 | $ 500 | $ 600 |
Foreign Exchange | Fair Value, Measurements, Recurring |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Derivative liabilities | 182,282 |  | 182,282 |  | 145,556
Foreign Exchange | Fair Value Measurements Using Level 1 | Fair Value, Measurements, Recurring |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Derivative liabilities | 0 |  | 0 |  | 0
Foreign Exchange | Fair Value Measurements Using Level 2 | Fair Value, Measurements, Recurring |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Derivative liabilities | 182,282 |  | 182,282 |  | 145,556
Foreign Exchange | Fair Value Measurements Using Level 3 | Fair Value, Measurements, Recurring |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Derivative liabilities | 0 |  | 0 |  | 0
Financial Difficulty Modification |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Unused Commitments to Extend Credit | 0 | 0 | 0 | 0 |
Principal Forgiveness |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring, Postmodification | 0 | 0 | 0 | 0 |
Financing Receivable, Troubled Debt Restructuring, Increase (Decrease) from Modification | 0 | 0 | 0 | 0 |
Payment Delay |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring, Postmodification | 969 | 3,590 | 2,623 | 4,774 |
Extended Maturity |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 10,504 | $ 0 | $ 26,364 | $ 3,660 |
Financing Receivable Restructured Loans Not Considered TDRs Weighted Average Term Extension | 0.3 years | N/A | 0.4 years | 0.8 years |
Contractual Interest Rate Reduction |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 0 | $ 0 | $ 0 | $ 0 |
Financing Receivable Restructured Loans Not Considered TDRs Weighted Average Interest Rate Reduction | 0.00% | 0.00% | 0.00% | 1.65% |
Term Extension and Interest Rate Reduction |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 0 | $ 0 | $ 0 | $ 72 |
Commercial |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 0 | $ 2,834 | $ 16,243 | $ 6,395 |
Finance Receivable Percentage Of Class Of Loans And Leases | 0.0000 | 0.0008 | 0.0044 | 0.0019 |
Unused Commitments to Extend Credit | $ 1,872,041 |  | $ 1,872,041 |  | 1,942,868
Commercial | Principal Forgiveness |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring, Postmodification | 0 | $ 0 | 0 | $ 0 |
Financing Receivable, Troubled Debt Restructuring, Increase (Decrease) from Modification | 0 | 0 | 0 | 0 |
Commercial | Payment Delay |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring, Postmodification | 0 | 2,834 | 383 | 2,834 |
Commercial | Extended Maturity |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 0 | $ 0 | $ 15,860 | $ 3,561 |
Financing Receivable Restructured Loans Not Considered TDRs Weighted Average Term Extension | N/A | N/A | 0.4 years | 0.2 years |
Commercial | Contractual Interest Rate Reduction |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 0 | $ 0 | $ 0 | $ 0 |
Financing Receivable Restructured Loans Not Considered TDRs Weighted Average Interest Rate Reduction | 0.00% | 0.00% | 0.00% | 0.00% |
Commercial | Term Extension and Interest Rate Reduction |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 0 | $ 0 | $ 0 | $ 0 |
Residential real estate |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 925 | $ 756 | $ 1,959 | $ 1,928 |
Finance Receivable Percentage Of Class Of Loans And Leases | 0.0007 | 0.0006 | 0.0014 | 0.0015 |
Unused Commitments to Extend Credit | $ 70,690 |  | $ 70,690 |  | 98,686
Residential real estate | Principal Forgiveness |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring, Postmodification | 0 | $ 0 | 0 | $ 0 |
Financing Receivable, Troubled Debt Restructuring, Increase (Decrease) from Modification | 0 | 0 | 0 | 0 |
Residential real estate | Payment Delay |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring, Postmodification | 921 | 756 | 1,955 | 1,772 |
Residential real estate | Extended Maturity |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 4 | $ 0 | $ 4 | $ 99 |
Financing Receivable Restructured Loans Not Considered TDRs Weighted Average Term Extension | 3.0 years | N/A | 3.0 years | 11.4 years |
Residential real estate | Contractual Interest Rate Reduction |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 0 | $ 0 | $ 0 | $ 0 |
Financing Receivable Restructured Loans Not Considered TDRs Weighted Average Interest Rate Reduction | 0.00% | 0.00% | 0.00% | 2.00% |
Residential real estate | Term Extension and Interest Rate Reduction |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 0 | $ 0 | $ 0 | $ 57 |
Home equity |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 48 | $ 0 | $ 285 | $ 183 |
Finance Receivable Percentage Of Class Of Loans And Leases | 0.0001 | 0.0000 | 0.0003 | 0.0002 |
Unused Commitments to Extend Credit | $ 998,439 |  | $ 998,439 |  | 972,474
Home equity | Principal Forgiveness |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring, Postmodification | 0 | $ 0 | 0 | $ 0 |
Financing Receivable, Troubled Debt Restructuring, Increase (Decrease) from Modification | 0 | 0 | 0 | 0 |
Home equity | Payment Delay |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring, Postmodification | 48 | 0 | 285 | 168 |
Home equity | Extended Maturity |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 0 | $ 0 | $ 0 | $ 0 |
Financing Receivable Restructured Loans Not Considered TDRs Weighted Average Term Extension | N/A | N/A | N/A | 22.6 years |
Home equity | Contractual Interest Rate Reduction |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 0 | $ 0 | $ 0 | $ 0 |
Financing Receivable Restructured Loans Not Considered TDRs Weighted Average Interest Rate Reduction | 0.00% | 0.00% | 0.00% | 0.31% |
Home equity | Term Extension and Interest Rate Reduction |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 0 | $ 0 | $ 0 | $ 15 |
Installment |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Unused Commitments to Extend Credit | 30,130 |  | 30,130 |  | 25,841
Construction real estate |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 10,500 |  | $ 10,500 |  |
Finance Receivable Percentage Of Class Of Loans And Leases | 0.0131 |  | 0.0131 |  |
Unused Commitments to Extend Credit | $ 398,031 |  | $ 398,031 |  | $ 565,009
Construction real estate | Principal Forgiveness |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring, Postmodification | 0 |  | 0 |  |
Financing Receivable, Troubled Debt Restructuring, Increase (Decrease) from Modification | 0 |  | 0 |  |
Construction real estate | Payment Delay |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring, Postmodification | 0 |  | 0 |  |
Construction real estate | Extended Maturity |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 10,500 |  | $ 10,500 |  |
Financing Receivable Restructured Loans Not Considered TDRs Weighted Average Term Extension | 0.3 years |  | 0.3 years |  |
Construction real estate | Contractual Interest Rate Reduction |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 0 |  | $ 0 |  |
Financing Receivable Restructured Loans Not Considered TDRs Weighted Average Interest Rate Reduction | 0.00% |  | 0.00% |  |
Construction real estate | Term Extension and Interest Rate Reduction |  |  |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |  |  |
Financing Receivable, Troubled Debt Restructuring, Postmodification | $ 0 |  | $ 0 |  |

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