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LOANS AND CREDIT QUALITY - Collateral Dependent Loans (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | $ 7,440,501 | $ 7,426,320
Commercial and industrial loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 5,969,982 | 6,064,612
Commercial and industrial loans | Commercial and Industrial Sector |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 813,401 | 803,110
Commercial and industrial loans | Non-owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 633,083 | 658,085
Commercial and industrial loans | Owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 428,253 | 443,363
Commercial and industrial loans | Commercial business |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 385,148 | 359,747
Consumer loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 1,470,519 | 1,361,708
Consumer loans | Single family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 1,099,644 | 1,009,001
Total |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 34,564 |
Total | Commercial real estate loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 20,472 |
Total | Commercial real estate loans | Non-owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 16,601 |
Total | Commercial real estate loans | Commercial real estate construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 3,871 |
Total | Commercial and industrial loans | Commercial and Industrial Sector |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 13,309 | 6,331
Total | Commercial and industrial loans | Owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 2,136 | 2,521
Total | Commercial and industrial loans | Commercial business |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 11,173 | 3,810
Total | Consumer loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 783 |
Total | Consumer loans | Single family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 783 |
Land |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 0 |
Land | Commercial real estate loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 0 |
Land | Commercial real estate loans | Non-owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 0 |
Land | Commercial real estate loans | Commercial real estate construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 0 |
Land | Commercial and industrial loans | Commercial and Industrial Sector |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 0 | 1,173
Land | Commercial and industrial loans | Owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 0 | 1,111
Land | Commercial and industrial loans | Commercial business |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 0 | 62
Land | Consumer loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 0 |
Land | Consumer loans | Single family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 0 |
1-4 Family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 3,792 |
1-4 Family | Commercial real estate loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 161 |
1-4 Family | Commercial real estate loans | Non-owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 161 |
1-4 Family | Commercial real estate loans | Commercial real estate 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 | 2,848 | 3,186
1-4 Family | Commercial and industrial loans | Owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 0 | 0
1-4 Family | Commercial and industrial loans | Commercial business |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 2,848 | 3,186
1-4 Family | Consumer loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 783 |
1-4 Family | Consumer loans | Single family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 783 |
Non-residential real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 28,732 |
Non-residential real estate | Commercial real estate loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 20,311 |
Non-residential real estate | Commercial real estate loans | Non-owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 16,440 |
Non-residential real estate | Commercial real estate loans | Commercial real estate construction |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 3,871 |
Non-residential real estate | Commercial and industrial loans | Commercial and Industrial Sector |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 8,421 | 1,972
Non-residential real estate | Commercial and industrial loans | Owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 2,136 | 1,410
Non-residential real estate | Commercial and industrial loans | Commercial business |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 6,285 | 562
Non-residential real estate | Consumer loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 0 |
Non-residential real estate | Consumer loans | Single family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 0 |
Other non-real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 2,040 |
Other non-real estate | Commercial real estate loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 0 |
Other non-real estate | Commercial real estate loans | Non-owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 0 |
Other non-real estate | Commercial real estate loans | Commercial real estate 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 | 2,040 | 0
Other non-real estate | Commercial and industrial loans | Owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 0 | 0
Other non-real estate | Commercial and industrial loans | Commercial business |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 2,040 | $ 0
Other non-real estate | Consumer loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 0 |
Other non-real estate | Consumer loans | Single family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | $ 0 |

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