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LOANS AND CREDIT QUALITY - Collateral Dependent Loans (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | $ 7,213,487 | $ 5,542,849
Commercial loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 5,974,181 | 4,476,440
Commercial loans | Commercial and Industrial Sector |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 793,749 | 859,578
Commercial loans | Owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 432,114 | 457,706
Commercial loans | Commercial business |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 361,635 | 401,872
Consumer loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 1,239,306 | 1,066,409
Consumer loans | Single family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 907,044 | 763,331
Consumer loans | Home equity and other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 332,262 | 303,078
Total |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 3,149 | 6,421
Total | Commercial loans | Commercial and Industrial Sector |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment |  | 4,804
Total | Commercial loans | Owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 2,521 | 3,567
Total | Commercial loans | Commercial business |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 628 | 1,237
Total | Consumer loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment |  | 1,617
Total | Consumer loans | Single family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment |  | 1,598
Total | Consumer loans | Home equity and other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment |  | 19
Land |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 1,173 | 1,473
Land | Commercial loans | Commercial and Industrial Sector |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment |  | 1,473
Land | Commercial loans | Owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 1,111 | 1,111
Land | Commercial loans | Commercial business |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 62 | 362
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
Land | Consumer loans | Home equity and other |  |
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 | 0 | 1,644
1-4 Family | Commercial loans | Commercial and Industrial Sector |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment |  | 27
1-4 Family | Commercial loans | Owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 0 | 0
1-4 Family | Commercial loans | Commercial business |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 0 | 27
1-4 Family | Consumer loans |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment |  | 1,617
1-4 Family | Consumer loans | Single family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment |  | 1,598
1-4 Family | Consumer loans | Home equity and other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment |  | 19
Non-residential real estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 1,972 | 3,018
Non-residential real estate | Commercial loans | Commercial and Industrial Sector |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment |  | 3,018
Non-residential real estate | Commercial loans | Owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 1,410 | 2,456
Non-residential real estate | Commercial loans | Commercial business |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 562 | 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
Non-residential real estate | Consumer loans | Home equity and other |  |
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 | 4 | 286
Other non-real estate | Commercial loans | Commercial and Industrial Sector |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment |  | 286
Other non-real estate | Commercial loans | Owner occupied CRE |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | 0 | 0
Other non-real estate | Commercial loans | Commercial business |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment | $ 4 | 286
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
Other non-real estate | Consumer loans | Home equity and other |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Loans held for investment |  | $ 0

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