v3.26.1
FAIR VALUE - SCHEDULE OF QUANTITATIVE INFORMATION FOR LEVEL 3 FAIR VALUE MEASURMENTS (RECURRING) (Details)
$ in Thousands
Jun. 30, 2026
USD ($)
a
year
Jun. 30, 2025
USD ($)
year
Fair Value, Option, Quantitative Disclosures [Line Items]    
Available-for-sale securities – Non-Agency MBS $ 803,667 $ 66,008
Available-for-sale securities – Non-Agency MBS    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Available-for-sale securities – Non-Agency MBS 4,273 15,569
Level 3    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Available-for-sale securities – Non-Agency MBS 4,273 15,569
Servicing rights 25,653 27,218
Other assets—Loans held for investment at fair value 25,789,184 21,288,921
Accounts payable and other liabilities—Contingent Consideration 30,810  
Level 3 | Available-for-sale securities – Non-Agency MBS    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Available-for-sale securities – Non-Agency MBS $ 4,273 $ 15,569
Level 3 | Available-for-sale securities – Non-Agency MBS | Minimum | Projected constant prepayment rate    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Available-for-sale securities, measurement input 0.025 0.025
Level 3 | Available-for-sale securities – Non-Agency MBS | Minimum | Projected constant default rate    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Available-for-sale securities, measurement input 0.015 0.015
Level 3 | Available-for-sale securities – Non-Agency MBS | Minimum | Projected loss severity    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Available-for-sale securities, measurement input 0.400 0.350
Level 3 | Available-for-sale securities – Non-Agency MBS | Minimum | Discount rate    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Available-for-sale securities, measurement input 0.025 0.025
Level 3 | Available-for-sale securities – Non-Agency MBS | Minimum | Credit enhancement    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Available-for-sale securities, measurement input 0.000 0.000
Level 3 | Available-for-sale securities – Non-Agency MBS | Maximum | Projected constant prepayment rate    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Available-for-sale securities, measurement input 0.157 0.300
Level 3 | Available-for-sale securities – Non-Agency MBS | Maximum | Projected constant default rate    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Available-for-sale securities, measurement input 0.019 0.119
Level 3 | Available-for-sale securities – Non-Agency MBS | Maximum | Projected loss severity    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Available-for-sale securities, measurement input 0.689 0.689
Level 3 | Available-for-sale securities – Non-Agency MBS | Maximum | Discount rate    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Available-for-sale securities, measurement input 0.047 0.041
Level 3 | Available-for-sale securities – Non-Agency MBS | Maximum | Credit enhancement    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Available-for-sale securities, measurement input 0.782 0.990
Level 3 | Available-for-sale securities – Non-Agency MBS | Weighted Average | Projected constant prepayment rate    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Available-for-sale securities, measurement input 0.040 0.224
Level 3 | Available-for-sale securities – Non-Agency MBS | Weighted Average | Projected constant default rate    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Available-for-sale securities, measurement input 0.015 0.087
Level 3 | Available-for-sale securities – Non-Agency MBS | Weighted Average | Projected loss severity    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Available-for-sale securities, measurement input 0.610 0.434
Level 3 | Available-for-sale securities – Non-Agency MBS | Weighted Average | Discount rate    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Available-for-sale securities, measurement input 0.032 0.027
Level 3 | Available-for-sale securities – Non-Agency MBS | Weighted Average | Credit enhancement    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Available-for-sale securities, measurement input 0.132 0.392
Level 3 | Servicing rights    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Servicing rights $ 25,653 $ 27,218
Level 3 | Servicing rights | Minimum | Projected constant prepayment rate    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Servicing asset, measurement input 0.041 0.052
Level 3 | Servicing rights | Minimum | Life (in years)    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Servicing asset, measurement input | year 0.027 2.5
Level 3 | Servicing rights | Minimum | Discount rate    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Servicing asset, measurement input 0.095 0.095
Level 3 | Servicing rights | Maximum | Projected constant prepayment rate    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Servicing asset, measurement input 0.307 0.266
Level 3 | Servicing rights | Maximum | Life (in years)    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Servicing asset, measurement input | year 0.142 12.8
Level 3 | Servicing rights | Maximum | Discount rate    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Servicing asset, measurement input 0.112 0.112
Level 3 | Servicing rights | Weighted Average | Projected constant prepayment rate    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Servicing asset, measurement input 0.102 0.097
Level 3 | Servicing rights | Weighted Average | Life (in years)    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Servicing asset, measurement input | year 0.086 9.3
Level 3 | Servicing rights | Weighted Average | Discount rate    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Servicing asset, measurement input 0.098 0.098
Level 3 | Other assets—Loans held for investment at fair value    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Other assets—Loans held for investment at fair value $ 10,000  
Level 3 | Other assets—Loans held for investment at fair value | Minimum | Discount rate    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Alternative investment, measurement input 0.28  
Level 3 | Other assets—Loans held for investment at fair value | Minimum | Terminal growth rate    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Alternative investment, measurement input 0.03  
Level 3 | Other assets—Loans held for investment at fair value | Minimum | EBITDA multiple    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Alternative investment, measurement input 1.0  
Level 3 | Other assets—Loans held for investment at fair value | Maximum | Discount rate    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Alternative investment, measurement input 0.28  
Level 3 | Other assets—Loans held for investment at fair value | Maximum | Terminal growth rate    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Alternative investment, measurement input 0.03  
Level 3 | Other assets—Loans held for investment at fair value | Maximum | EBITDA multiple    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Alternative investment, measurement input 1.0  
Level 3 | Other assets—Loans held for investment at fair value | Weighted Average | Discount rate    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Alternative investment, measurement input 0.28  
Level 3 | Other assets—Loans held for investment at fair value | Weighted Average | Terminal growth rate    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Alternative investment, measurement input 0.03  
Level 3 | Other assets—Loans held for investment at fair value | Weighted Average | EBITDA multiple    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Alternative investment, measurement input 1.0  
Level 3 | Accounts payable and other liabilities— Contingent Consideration    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Accounts payable and other liabilities—Contingent Consideration $ 30,810  
Level 3 | Accounts payable and other liabilities— Contingent Consideration | Minimum | Monthly Asset Growth    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Contingent consideration, measurement input | a (0.074)  
Level 3 | Accounts payable and other liabilities— Contingent Consideration | Minimum | Credit Spread    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Contingent consideration, measurement input | a 0.029  
Level 3 | Accounts payable and other liabilities— Contingent Consideration | Maximum | Monthly Asset Growth    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Contingent consideration, measurement input | a 0.145  
Level 3 | Accounts payable and other liabilities— Contingent Consideration | Maximum | Credit Spread    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Contingent consideration, measurement input | a 0.029  
Level 3 | Accounts payable and other liabilities— Contingent Consideration | Weighted Average | Monthly Asset Growth    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Contingent consideration, measurement input | a 0.036  
Level 3 | Accounts payable and other liabilities— Contingent Consideration | Weighted Average | Credit Spread    
Fair Value, Option, Quantitative Disclosures [Line Items]    
Contingent consideration, measurement input | a 0.029