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LOANS AND CREDIT QUALITY - Loan Modifications (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Consumer loans | Single family | Significant Payment Delay |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized Cost Basis at Period End | $ 0 | $ 340 | $ 0 | $ 340
% of Total Class of Financing Receivable | 0.00% | 0.04% | 0.00% | 0.04%
Consumer loans | Single family | Term Extension |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized Cost Basis at Period End | $ 0 | $ 236 | $ 0 | $ 272
% of Total Class of Financing Receivable | 0.00% | 0.03% | 0.00% | 0.03%
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 | $ 823
% of Total Class of Financing Receivable | 0.00% | 0.00% | 0.00% | 0.10%
Consumer loans | Single family | Significant Payment Delay and Term Extension |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized Cost Basis at Period End | $ 942 | $ 4,048 | $ 1,120 | $ 10,084
% of Total Class of Financing Receivable | 0.09% | 0.49% | 0.10% | 1.23%
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 | $ 192 | $ 2,775 | $ 192 | $ 6,898
% of Total Class of Financing Receivable | 0.02% | 0.34% | 0.02% | 0.84%
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 | $ 52
% of Total Class of Financing Receivable | 0.00% | 0.00% | 0.00% | 0.02%
Commercial loans, adjusted for credit analysis | Commercial business | Term Extension |  |  |  |
Financing Receivable, Troubled Debt Restructuring [Line Items] |  |  |  |
Amortized Cost Basis at Period End | $ 4,734 | $ 1,578 | $ 4,734 | $ 1,578
% of Total Class of Financing Receivable | 1.27% | 0.40% | 1.27% | 0.40%

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