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LOANS AND CREDIT QUALITY - Collateral Dependent Loans (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | $ 7,422,904 | $ 7,426,320
Commercial and industrial loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 5,898,324 | 6,064,612
Commercial and industrial loans | Commercial and Industrial Sector |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 750,334 | 803,110
Commercial and industrial loans | Owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 391,285 | 443,363
Commercial and industrial loans | Commercial business |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 359,049 | 359,747
Commercial and industrial loans | Non-owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 641,885 | 658,085
Consumer loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 1,524,580 | 1,361,708
Consumer loans | Single family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 1,140,279 | 1,009,001
Consumer loans | Home equity and other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 384,301 | 352,707
Land |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI |  | 1,173
Loans before allowance, net of deferred loan fees and costs | 0 |
Land | Commercial and Industrial Sector |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 0 |
Land | Commercial and industrial loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans before allowance, net of deferred loan fees and costs | 0 |
Land | Commercial and industrial loans | Owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI |  | 1,111
Land | Commercial and industrial loans | Commercial business |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 0 | 62
Land | Consumer loans | Single family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans before allowance, net of deferred loan fees and costs | 0 |
Land | CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 0 |
Land | CRE | Non-owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 0 |
Land | CRE | CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 0 |
1-4 Family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI |  | 3,186
Loans before allowance, net of deferred loan fees and costs | 773 |
1-4 Family | Commercial and Industrial Sector |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 4,134 |
1-4 Family | Commercial and industrial loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans before allowance, net of deferred loan fees and costs | 2,788 |
1-4 Family | Commercial and industrial loans | Owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI |  | 0
1-4 Family | Commercial and industrial loans | Commercial business |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 2,788 | 3,186
1-4 Family | Consumer loans | Single family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans before allowance, net of deferred loan fees and costs | 773 |
1-4 Family | CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 573 |
1-4 Family | CRE | Non-owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 573 |
1-4 Family | CRE | CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 0 |
Non-residential real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI |  | 1,972
Loans before allowance, net of deferred loan fees and costs | 0 |
Non-residential real estate | Commercial and Industrial Sector |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 25,522 |
Non-residential real estate | Commercial and industrial loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans before allowance, net of deferred loan fees and costs | 4,587 |
Non-residential real estate | Commercial and industrial loans | Owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI |  | 1,410
Non-residential real estate | Commercial and industrial loans | Commercial business |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 5,471 | 562
Non-residential real estate | Consumer loans | Single family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans before allowance, net of deferred loan fees and costs | 0 |
Non-residential real estate | CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 20,051 |
Non-residential real estate | CRE | Non-owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 16,230 |
Non-residential real estate | CRE | CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 3,821 |
Total |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI |  | 0
Loans before allowance, net of deferred loan fees and costs | 773 |
Total | Commercial and Industrial Sector |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 4,587 |
Total | Commercial and industrial loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans before allowance, net of deferred loan fees and costs | 12,846 |
Total | Commercial and industrial loans | Owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI |  | 0
Total | Commercial and industrial loans | Commercial business |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 4,587 | 0
Total | Consumer loans | Single family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans before allowance, net of deferred loan fees and costs | 773 |
Total | CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 0 |
Total | CRE | Non-owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 0 |
Total | CRE | CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 0 |
Total |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI |  | 6,331
Total | Commercial and Industrial Sector |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 34,243 |
Total | Commercial and industrial loans | Owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI |  | 2,521
Total | Commercial and industrial loans | Commercial business |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 12,846 | $ 3,810
Total | CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 20,624 |
Total | CRE | Non-owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 16,803 |
Total | CRE | CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Total LHFI | 3,821 |
Multifamily |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans before allowance, net of deferred loan fees and costs | 0 |
Multifamily | Commercial and industrial loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans before allowance, net of deferred loan fees and costs | 5,471 |
Multifamily | Consumer loans | Single family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans before allowance, net of deferred loan fees and costs | $ 0 |

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