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LOANS AND CREDIT QUALITY - Loans on Nonaccrual with No Related Allowance (Details) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Financing Receivable, Nonaccrual [Line Items] |  |
Nonaccrual with no related ACL | $ 34,157 | $ 35,254
Total Nonaccrual | 40,320 | 38,976
CRE |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Nonaccrual with no related ACL | 21,966 | 20,624
Total Nonaccrual | 21,966 | 20,624
CRE | Non-owner occupied CRE |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Nonaccrual with no related ACL | 16,230 | 16,803
Total Nonaccrual | 16,230 | 16,803
CRE | CRE construction |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Nonaccrual with no related ACL | 3,821 | 3,821
Total Nonaccrual | 3,821 | 3,821
CRE | Multifamily |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Nonaccrual with no related ACL | 1,915 | 0
Total Nonaccrual | 1,915 | 0
CRE | Multifamily |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual |  | 0
CRE | Multifamily construction |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 0 | 0
Commercial and industrial loans |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Nonaccrual with no related ACL | 11,082 | 13,857
Total Nonaccrual | 12,232 | 14,392
Commercial and industrial loans | Owner occupied CRE |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Nonaccrual with no related ACL | 1,194 | 706
Total Nonaccrual |  | 706
Commercial and industrial loans | Commercial business |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Nonaccrual with no related ACL | 9,888 | 13,151
Total Nonaccrual |  | 13,686
Consumer loans |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Nonaccrual with no related ACL | 1,109 | 773
Total Nonaccrual | 6,122 | 3,960
Consumer loans | Single family |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Nonaccrual with no related ACL | 1,109 | 773
Total Nonaccrual | 3,369 | 2,650
Consumer loans | Home equity and other |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Nonaccrual with no related ACL | 0 | 0
Total Nonaccrual | 2,753 | 1,310
Commercial loans, adjusted for credit analysis | Owner occupied CRE |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | 1,194 | 706
Commercial loans, adjusted for credit analysis | Commercial business |  |
Financing Receivable, Nonaccrual [Line Items] |  |
Total Nonaccrual | $ 11,038 | $ 13,686

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