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LOANS AND CREDIT QUALITY - Loan Modifications (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Consumer loans | Single family | Significant Payment Delay |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized Cost Basis at Period End | $ 847 | $ 682 | $ 847 | $ 1,209
% of Total Class of Financing Receivable | 0.08% | 0.08% | 0.08% | 0.13%
Consumer loans | Single family | Term Extension |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized Cost Basis at Period End | $ 273 | $ 0 | $ 273 | $ 270
% of Total Class of Financing Receivable | 0.02% | 0.00% | 0.02% | 0.03%
Consumer loans | Single family | Interest Rate Reduction and Payment Deferral |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized Cost Basis at Period End | $ 0 | $ 477 | $ 0 | $ 477
% of Total Class of Financing Receivable | 0.00% | 0.13% | 0.00% | 0.13%
Consumer loans | Single family | Interest Rate Reduction and Term Extension |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized Cost Basis at Period End | $ 0 | $ 0 | $ 0 | $ 819
% of Total Class of Financing Receivable | 0.00% | 0.00% | 0.00% | 0.09%
Consumer loans | Single family | Significant Payment Delay and Term Extension |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized Cost Basis at Period End | $ 1,167 | $ 4,033 | $ 2,284 | $ 13,325
% of Total Class of Financing Receivable | 0.11% | 0.44% | 0.21% | 1.47%
Consumer loans | Single family | Interest Rate Reduction, Significant Payment Delay and Term Extension |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized Cost Basis at Period End | $ 0 | $ 294 | $ 192 | $ 7,185
% of Total Class of Financing Receivable | 0.00% | 0.03% | 0.02% | 0.79%
Consumer loans | Home equity and other | Significant Payment Delay |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized Cost Basis at Period End | $ 0 | $ 0 | $ 0 | $ 70
% of Total Class of Financing Receivable | 0.00% | 0.00% | 0.00% | 0.02%
Consumer loans | Home equity and other | Significant Payment Delay and Term Extension |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized Cost Basis at Period End | $ 0 | $ 0 | $ 0 | $ 51
% of Total Class of Financing Receivable | 0.00% | 0.00% | 0.00% | 0.01%
Commercial loans, adjusted for credit analysis | Non-owner occupied CRE | Significant Payment Delay and Term Extension |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized Cost Basis at Period End | $ 16,440 | $ 0 | $ 16,440 | $ 0
% of Total Class of Financing Receivable | 2.60% | 0.00% | 2.60% | 0.00%
Commercial loans, adjusted for credit analysis | CRE construction | Significant Payment Delay and Term Extension |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized Cost Basis at Period End | $ 3,871 | $ 0 | $ 3,871 | $ 0
% of Total Class of Financing Receivable | 0.68% | 0.00% | 0.68% | 0.00%
Commercial loans, adjusted for credit analysis | Commercial business | Term Extension |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized Cost Basis at Period End | $ 9,663 | $ 0 | $ 10,396 | $ 1,570
% of Total Class of Financing Receivable | 2.51% | 0.00% | 2.70% | 0.43%

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