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LOANS AND CREDIT QUALITY - Loan Modifications, Financial Effect (Details) | 3 Months Ended
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Mar. 31, 2024 | Mar. 31, 2023
Commercial loans | Commercial business | Term Extension |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Weighted average time added to life of loans (in years) | 4 months 24 days |
Commercial loans | Non-owner occupied CRE | Term Extension |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Weighted average time added to life of loans (in years) | 3 months |
Commercial loans | CRE construction | Significant Payment Delay |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Weighted average time added to life of loans (in years) | 2 years 9 months 18 days |
Consumer loans | Single family | Significant Payment Delay |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Weighted average percent of loan balances capitalized and added to term of loan | 2.50% | 2.60%
Consumer loans | Single family | Term Extension |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |
Weighted average time added to life of loans (in years) | 1 year 10 months 24 days | 14 years 2 months 12 days

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