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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Composition of Nonaccrual Loans (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |
Total non-accrual loans | $ 44,443 | $ 52,558
Nonaccrual Loans with no ACL | 16,173 | 27,891
Commercial | Commercial and industrial |  |
Financing Receivable, Past Due [Line Items] |  |
Total non-accrual loans | 25,380 | 28,594
Nonaccrual Loans with no ACL | 6,413 | 9,137
Commercial | Commercial real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Total non-accrual loans | 893 | 0
Nonaccrual Loans with no ACL | 893 | 0
Commercial | SBA |  |
Financing Receivable, Past Due [Line Items] |  |
Total non-accrual loans | 10,537 | 16,653
Nonaccrual Loans with no ACL | 5,163 | 11,443
Consumer | Single family residential mortgage |  |
Financing Receivable, Past Due [Line Items] |  |
Total non-accrual loans | 7,341 | 7,076
Nonaccrual Loans with no ACL | 3,412 | 7,076
Consumer | Other consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Total non-accrual loans | 292 | 235
Nonaccrual Loans with no ACL | $ 292 | $ 235

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