Annual report pursuant to Section 13 and 15(d)

FAIR VALUES OF ASSETS AND LIABILITIES - Significant Unobservable Level 3 Inputs (Details)

v3.25.0.1
FAIR VALUES OF ASSETS AND LIABILITIES - Significant Unobservable Level 3 Inputs (Details) - Recurring - Discounted cash flow - Level 3
Dec. 31, 2024
Dec. 31, 2023
Residential MBS | Constant prepayment rate | Minimum    
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]    
Servicing asset, measurement input 0.06 0.04
Residential MBS | Constant prepayment rate | Maximum    
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]    
Servicing asset, measurement input 0.43 0.37
Residential MBS | Constant prepayment rate | Weighted Average    
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]    
Servicing asset, measurement input 0.08 0.09
Residential MBS | Spread over forward interest rate swap rates | Minimum    
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]    
Servicing asset, measurement input 0.05 0.05
Residential MBS | Spread over forward interest rate swap rates | Maximum    
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]    
Servicing asset, measurement input 0.10 0.13
Residential MBS | Spread over forward interest rate swap rates | Weighted Average    
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]    
Servicing asset, measurement input 0.06 0.05
Corporate obligations | Discount rate | Minimum    
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]    
Debt securities, available-for-sale, measurement input 0.04 0.04
Corporate obligations | Discount rate | Maximum    
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]    
Debt securities, available-for-sale, measurement input 0.05 0.06
Corporate obligations | Discount rate | Weighted Average    
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]    
Debt securities, available-for-sale, measurement input 0.05 0.05
Corporate obligations | Cumulative default | Minimum    
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]    
Debt securities, available-for-sale, measurement input 0 0
Corporate obligations | Cumulative default | Maximum    
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]    
Debt securities, available-for-sale, measurement input 0.39 0.64
Corporate obligations | Cumulative default | Weighted Average    
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]    
Debt securities, available-for-sale, measurement input 0.04 0.06
Corporate obligations | Loss given default | Weighted Average    
Fair Value Inputs, Assets and Liabilities, Quantitative Information [Line Items]    
Debt securities, available-for-sale, measurement input 0.20 0.20