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FAIR VALUE - Fair Value Inputs and Valuation Techniques (Details) | Dec. 31, 2023 $ / loan | Dec. 31, 2022 $ / loan
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Minimum | Discount rate |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Servicing right, measurement input | 0.046 | 0.050
Minimum | Prepayment rate |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Servicing right, measurement input | 0.056 | 0.058
Minimum | Cost to service (per loan) |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Servicing right, measurement input | 72 | 63
Maximum | Discount rate |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Servicing right, measurement input | 0.168 | 0.161
Maximum | Prepayment rate |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Servicing right, measurement input | 0.224 | 0.176
Maximum | Cost to service (per loan) |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Servicing right, measurement input | 126 | 138
IRLCs | Minimum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Derivative, measurement input | 0.027 | 0.084
IRLCs | Maximum |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Derivative, measurement input | 0.999 | 0.999
IRLCs | Weighted Average | Pull-through rate |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Derivative, measurement input | 0.767 | 0.753
Servicing rights | Weighted Average | Discount rate |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Servicing right, measurement input | 0.064 | 0.065
Servicing rights | Weighted Average | Prepayment rate |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Servicing right, measurement input | 0.081 | 0.072
Servicing rights | Weighted Average | Cost to service (per loan) |  |
Fair Value Measurement Inputs and Valuation Techniques [Line Items] |  |
Servicing right, measurement input | 90 | 87

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- Definition Value of input used to measure derivative asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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- Definition Value of input used to measure servicing asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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