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MORTGAGE BANKING OPERATIONS - Key Economic Assumptions (Details)	3 Months Ended	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2025
Constant prepayment rate | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques
Measurement input (as a percent)	0.0689	0.0689
Constant prepayment rate | Single Family Residential | Minimum
Fair Value Measurement Inputs and Valuation Techniques
Measurement input (as a percent)	0.0505	0.0505
Constant prepayment rate | Single Family Residential | Maximum
Fair Value Measurement Inputs and Valuation Techniques
Measurement input (as a percent)	0.1195	0.1195
Constant prepayment rate | Single Family Residential | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques
Servicing asset, measurement input (as a percent)	16.47%	16.47%
Discount rate | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques
Measurement input (as a percent)	0.0899	0.0899
Discount rate | Single Family Residential | Minimum
Fair Value Measurement Inputs and Valuation Techniques
Measurement input (as a percent)	0.0866	0.0866
Discount rate | Single Family Residential | Maximum
Fair Value Measurement Inputs and Valuation Techniques
Measurement input (as a percent)	0.1623	0.1623
Discount rate | Single Family Residential | Weighted Average
Fair Value Measurement Inputs and Valuation Techniques
Servicing asset, measurement input (as a percent)	8.73%	8.73%

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