v3.25.4
DEBT - Borrowing Capacity of Committed Debt Facilities (Details) - USD ($)
$ in Thousands
Sep. 30, 2025
Dec. 31, 2024
Oct. 31, 2024
May 01, 2024
Feb. 01, 2024
Jan. 31, 2024
Sep. 30, 2023
May 30, 2023
Apr. 30, 2023
Debt Instrument [Line Items]                  
Line of credit facility, maximum borrowing capacity $ 1,855,300 $ 1,736,850              
Balance Outstanding 450,628 474,855              
Available Financing 1,404,672 1,283,692              
Balance Outstanding, Excluding Advances   453,158              
Funding Debt                  
Debt Instrument [Line Items]                  
Balance Outstanding 211,499 305,850              
Warehouse Facility 1                  
Debt Instrument [Line Items]                  
Line of credit facility, maximum borrowing capacity               $ 250,000 $ 200,000
Warehouse Facility 1 | Funding Debt                  
Debt Instrument [Line Items]                  
Line of credit facility, maximum borrowing capacity 0 250,000              
Balance Outstanding 0 28,286              
Available Financing 0 221,714              
Warehouse Facility 2                  
Debt Instrument [Line Items]                  
Line of credit facility, maximum borrowing capacity   350,000         $ 400,000    
Warehouse Facility 2 | Funding Debt                  
Debt Instrument [Line Items]                  
Line of credit facility, maximum borrowing capacity 150,000 350,000              
Balance Outstanding 21,270 61,007              
Available Financing 128,730 288,993              
Warehouse Facility 3                  
Debt Instrument [Line Items]                  
Line of credit facility, maximum borrowing capacity       $ 100,000 $ 200,000 $ 100,000      
Warehouse Facility 3 | Funding Debt                  
Debt Instrument [Line Items]                  
Line of credit facility, maximum borrowing capacity 100,000 100,000              
Balance Outstanding 0 26,227              
Available Financing 100,000 73,773              
Warehouse Facility 4 | Funding Debt                  
Debt Instrument [Line Items]                  
Line of credit facility, maximum borrowing capacity 335,300 335,300              
Balance Outstanding 59,647 68,568              
Available Financing 275,653 266,732              
REIT | Funding Debt                  
Debt Instrument [Line Items]                  
Line of credit facility, maximum borrowing capacity 200,000 150,000 $ 150,000            
Balance Outstanding 42,106 99,204              
Available Financing 157,894 50,796              
Warehouse Facility 6 | Funding Debt                  
Debt Instrument [Line Items]                  
Line of credit facility, maximum borrowing capacity 250,000 250,000              
Balance Outstanding 0 0              
Available Financing 250,000 250,000              
Warehouse Facility 7 | Funding Debt                  
Debt Instrument [Line Items]                  
Line of credit facility, maximum borrowing capacity 0 1,000              
Balance Outstanding 0 0              
Available Financing 0 1,000              
Warehouse Facility 9 | Funding Debt                  
Debt Instrument [Line Items]                  
Line of credit facility, maximum borrowing capacity 0 10,550              
Balance Outstanding 0 861              
Available Financing 0 9,689              
Lender 1 | Funding Debt                  
Debt Instrument [Line Items]                  
Available Financing 0                
Lender 1 | MSR Financing                  
Debt Instrument [Line Items]                  
Line of credit facility, maximum borrowing capacity 40,000 40,000              
Balance Outstanding 40,000 40,000              
Available Financing   0              
Retained Interest Facility | Financed Retained Interests                  
Debt Instrument [Line Items]                  
Line of credit facility, maximum borrowing capacity 250,000 250,000              
Balance Outstanding 199,129 129,005              
Available Financing $ 50,871 $ 120,995