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LOANS AND CREDIT QUALITY - Collateral Dependent Loans (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | $ 7,444,729 | $ 7,422,904
Commercial and industrial loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 5,907,639 | 5,898,324
Commercial and industrial loans | Commercial and Industrial Sector |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 769,407 | 750,334
Commercial and industrial loans | Non-owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 633,401 | 641,885
Commercial and industrial loans | Owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 381,943 | 391,285
Commercial and industrial loans | Commercial business |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 387,464 | 359,049
Commercial and industrial loans | Multifamily |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 3,929,679 | 3,940,189
Consumer loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 1,537,090 | 1,524,580
Consumer loans | Single family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 1,149,940 | 1,140,279
Total |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 44,525 | 34,243
Total | CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 32,914 | 20,624
Total | CRE | Non-owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 16,801 | 16,803
Total | CRE | CRE construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 3,824 | 3,821
Total | CRE | Multifamily |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 1,915 |
Total | CRE | Multifamily construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 10,374 |
Total | Commercial and industrial loans | Commercial and Industrial Sector |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 10,843 | 12,846
Total | Commercial and industrial loans | Commercial business |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 10,843 | 12,846
Total | Consumer loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 768 | 773
Total | Consumer loans | Single family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 768 | 773
1-4 Family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 4,004 | 4,134
1-4 Family | CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 561 | 573
1-4 Family | CRE | Non-owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 561 | 573
1-4 Family | CRE | CRE construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 0 | 0
1-4 Family | CRE | Multifamily |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 0 |
1-4 Family | CRE | Multifamily construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 0 |
1-4 Family | Commercial and industrial loans | Commercial and Industrial Sector |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 2,675 | 2,788
1-4 Family | Commercial and industrial loans | Commercial business |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 2,675 | 2,788
1-4 Family | Consumer loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 768 | 773
1-4 Family | Consumer loans | Single family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 768 | 773
Multifamily |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 12,289 | 0
Multifamily | CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 12,289 | 0
Multifamily | CRE | Non-owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 0 | 0
Multifamily | CRE | CRE construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 0 | 0
Multifamily | CRE | Multifamily |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 1,915 |
Multifamily | CRE | Multifamily construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 10,374 |
Multifamily | Commercial and industrial loans | Commercial and Industrial Sector |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 0 |
Multifamily | Commercial and industrial loans | Commercial business |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 0 | 0
Multifamily | Consumer loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 0 | 0
Multifamily | Consumer loans | Single family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 0 | 0
Non-residential real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 24,484 | 25,522
Non-residential real estate | CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 20,064 | 20,051
Non-residential real estate | CRE | Non-owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 16,240 | 16,230
Non-residential real estate | CRE | CRE construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 3,824 | 3,821
Non-residential real estate | CRE | Multifamily |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 0 |
Non-residential real estate | CRE | Multifamily construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 0 |
Non-residential real estate | Commercial and industrial loans | Commercial and Industrial Sector |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 4,420 | 5,471
Non-residential real estate | Commercial and industrial loans | Commercial business |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 4,420 | 5,471
Non-residential real estate | Consumer loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 0 | 0
Non-residential real estate | Consumer loans | Single family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 0 | 0
Other non-real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 3,748 | 4,587
Other non-real estate | CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 0 | 0
Other non-real estate | CRE | Non-owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 0 | 0
Other non-real estate | CRE | CRE construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 0 | 0
Other non-real estate | CRE | Multifamily |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 0 |
Other non-real estate | CRE | Multifamily construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 0 |
Other non-real estate | Commercial and industrial loans | Commercial and Industrial Sector |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 3,748 | 4,587
Other non-real estate | Commercial and industrial loans | Commercial business |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 3,748 | 4,587
Other non-real estate | Consumer loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 0 | 0
Other non-real estate | Consumer loans | Single family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | $ 0 | $ 0

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