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LOANS AND CREDIT QUALITY - Aging of the Amortized Cost in Past Due Loans (Details) - USD ($) $ in Thousands | Mar. 31, 2026 | Dec. 31, 2025
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | $ 13,852,209 | $ 14,176,936
30-59 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 35,209 | 43,873
60-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 8,347 | 14,586
Greater than 89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 33,447 | 34,686
Total Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 77,003 | 93,145
Loans Not Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 13,775,206 | 14,083,791
Commercial and industrial |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 460,081 | 482,170
Commercial and industrial | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 419,353 | 439,446
Commercial and industrial | 30-59 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 1,861 | 3,277
Commercial and industrial | 60-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 1,011 | 1,066
Commercial and industrial | Greater than 89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 8,490 | 8,024
Commercial and industrial | Total Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 11,362 | 12,367
Commercial and industrial | Loans Not Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 448,719 | 469,803
Commercial real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 5,291,597 | 5,355,252
Commercial real estate | Multifamily |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 5,291,597 | 5,355,252
Commercial real estate | Multifamily | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 5,105,497 | 5,146,307
Commercial real estate | Multifamily | 30-59 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 0 | 0
Commercial real estate | Multifamily | 60-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 0 | 0
Commercial real estate | Multifamily | Greater than 89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 0 | 1,614
Commercial real estate | Multifamily | Total Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 0 | 1,614
Commercial real estate | Multifamily | Loans Not Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 5,291,597 | 5,353,638
Commercial real estate | Non-owner occupied |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 1,711,611 | 1,740,277
Commercial real estate | Non-owner occupied | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 1,586,584 | 1,626,072
Commercial real estate | Non-owner occupied | 30-59 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 0 | 50
Commercial real estate | Non-owner occupied | 60-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 0 | 0
Commercial real estate | Non-owner occupied | Greater than 89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 11,586 | 11,586
Commercial real estate | Non-owner occupied | Total Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 11,586 | 11,636
Commercial real estate | Non-owner occupied | Loans Not Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 1,700,025 | 1,728,641
Commercial real estate | Owner occupied |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 586,698 | 689,079
Commercial real estate | Owner occupied | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 529,564 | 632,804
Commercial real estate | Owner occupied | 30-59 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 0 | 0
Commercial real estate | Owner occupied | 60-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 0 | 1,349
Commercial real estate | Owner occupied | Greater than 89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 272 | 226
Commercial real estate | Owner occupied | Total Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 272 | 1,575
Commercial real estate | Owner occupied | Loans Not Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 586,426 | 687,504
Commercial real estate | Construction and land development |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 399,546 | 493,992
Commercial real estate | Construction and land development | Pass |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 396,321 | 491,030
Commercial real estate | Construction and land development | 30-59 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 0 | 0
Commercial real estate | Construction and land development | 60-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 0 | 0
Commercial real estate | Construction and land development | Greater than 89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 3,225 | 2,962
Commercial real estate | Construction and land development | Total Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 3,225 | 2,962
Commercial real estate | Construction and land development | Loans Not Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 396,321 | 491,030
Residential Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 4,017,120 | 3,970,803
Residential Real Estate | 30-59 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 13,955 | 14,274
Residential Real Estate | 60-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 2,828 | 4,944
Residential Real Estate | Greater than 89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 7,459 | 7,187
Residential Real Estate | Total Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 24,242 | 26,405
Residential Real Estate | Loans Not Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 3,992,878 | 3,944,398
Auto |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 639,825 | 791,012
Auto | 30-59 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 19,122 | 25,984
Auto | 60-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 4,356 | 7,078
Auto | Greater than 89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 2,412 | 3,086
Auto | Total Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 25,890 | 36,148
Auto | Loans Not Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 613,935 | 754,864
Other consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 745,731 | 654,351
Other consumer | 30-59 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 271 | 288
Other consumer | 60-89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 152 | 149
Other consumer | Greater than 89 Days Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 3 | 1
Other consumer | Total Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | 426 | 438
Other consumer | Loans Not Past Due |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loan receivables | $ 745,305 | $ 653,913

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