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FAIR VALUE MEASUREMENT - Schedule of Level 3 Unobservable Inputs (Details) - Fair Value, Recurring $ in Thousands | Dec. 31, 2024 USD ($) | Dec. 31, 2023 USD ($)
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Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Single family LHFI | $ 1,287 | $ 1,280
Level 3 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investment securities AFS | 1,698 | 1,860
Single family LHFI | 1,287 | 1,280
Level 3 | Single family |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Single family LHFI | $ 1,287 | $ 1,280
Implied spread to benchmark interest rate curve | Level 3 | Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investment securities available for sale, measurement input | 0.0225 | 0.0225
Implied spread to benchmark interest rate curve | Level 3 | Minimum | Single family |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Single family LHFI, measurement input | 0.0294 | 0.0330
Implied spread to benchmark interest rate curve | Level 3 | Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investment securities available for sale, measurement input | 0.0225 | 0.0225
Implied spread to benchmark interest rate curve | Level 3 | Maximum | Single family |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Single family LHFI, measurement input | 0.0556 | 0.0504
Implied spread to benchmark interest rate curve | Level 3 | Weighted Average |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Investment securities available for sale, measurement input | 0.0225 | 0.0225
Implied spread to benchmark interest rate curve | Level 3 | Weighted Average | Single family |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Single family LHFI, measurement input | 0.0369 | 0.0394
Interest rate lock commitments | Level 3 |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Interest rate lock commitments, net | $ 126 | $ 411
Interest rate lock commitments | Fall-out factor | Level 3 | Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Interest rate lock commitments, net, measurement input | 0.0083 | 0.0081
Interest rate lock commitments | Fall-out factor | Level 3 | Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Interest rate lock commitments, net, measurement input | 0.2913 | 0.4164
Interest rate lock commitments | Fall-out factor | Level 3 | Weighted Average |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Interest rate lock commitments, net, measurement input | 0.0928 | 0.1054
Interest rate lock commitments | Value of servicing | Level 3 | Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Interest rate lock commitments, net, measurement input | 0.0078 | 0.0032
Interest rate lock commitments | Value of servicing | Level 3 | Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Interest rate lock commitments, net, measurement input | 0.0215 | 0.0080
Interest rate lock commitments | Value of servicing | Level 3 | Weighted Average |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Interest rate lock commitments, net, measurement input | 0.0137 | 0.0057

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