v3.26.1
Warehouse and Other Secured Lines of Credit - Summary of Line of Credit (Details) - USD ($)
$ in Thousands
 6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Line of Credit Facility [Line Items]    
Outstanding amount $ 2,950,000 $ 1,200,000
Warehouse Line of Credit    
Line of Credit Facility [Line Items]    
Outstanding amount 8,600,078 $ 8,912,496
Current aggregate committed amount $ 900,000  
Warehouse Line of Credit | Minimum    
Line of Credit Facility [Line Items]    
Basis spread on variable rate 1.00% 1.15%
Warehouse Line of Credit | Maximum    
Line of Credit Facility [Line Items]    
Basis spread on variable rate 1.75% 1.75%
Warehouse Line of Credit | Line of Credit Due September 29, 2026    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity $ 2,000,000  
Outstanding amount 990,038 $ 898,190
Warehouse Line of Credit | Line Of Credit Due October 8, 2026    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity 750,000  
Outstanding amount 153,287 167,375
Warehouse Line of Credit | Line Of Credit Due December 17, 2026    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity 325,000  
Outstanding amount 256,929 288,777
Warehouse Line of Credit | Line Of Credit Due February 5, 2027    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity 1,500,000  
Outstanding amount 963,193 827,941
Warehouse Line of Credit | Line Of Credit Due February 9, 2027    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity 1,000,000  
Outstanding amount 506,673 0
Warehouse Line of Credit | Line Of Credit Due February 17, 2027    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity 3,000,000  
Outstanding amount 1,314,608 1,353,618
Warehouse Line of Credit | Line Of Credit Due February 19, 2027    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity 1,000,000  
Outstanding amount 661,696 709,683
Warehouse Line of Credit | Line Of Credit Due May 14, 2027    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity 500,000  
Outstanding amount 244,332 396,734
Warehouse Line of Credit | Line Of Credit Due June 15, 2027    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity 0  
Outstanding amount 0 123,379
Warehouse Line of Credit | Line Of Credit Due August 3, 2027    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity 2,000,000  
Outstanding amount 1,056,961 1,319,244
Warehouse Line of Credit | Line Of Credit Due November 26, 2027    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity 3,500,000  
Outstanding amount 2,207,548 2,807,107
Warehouse Line of Credit | Line of Credit, ASAP program    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity 600,000  
Outstanding amount 0 0
Warehouse Line of Credit | Line of Credit, EF    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity 750,000  
Outstanding amount 244,813 $ 20,448
Warehouse Line of Credit | MRA Facility And Conventional MSR Facility | Line of Credit    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity $ 2,000,000