v3.22.4
Warehouse And Other Secured Lines Of Credit - Summary of Line of Credit (Details) - USD ($)
Dec. 31, 2022
Dec. 31, 2021
Line of Credit Facility [Line Items]    
Outstanding amount $ 750,000,000 $ 0
Warehouse Line of Credit    
Line of Credit Facility [Line Items]    
Outstanding amount 6,443,992,000 15,954,938,000
Current aggregate committed amount 401,000,000  
Warehouse Line of Credit | Line of Credit Due September 18, 2023    
Line of Credit Facility [Line Items]    
Outstanding amount 0 913,247,000
Warehouse Line of Credit | Line of Credit Due January 18, 2023    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity 400,000,000  
Outstanding amount 188,607,000 372,895,000
Warehouse Line of Credit | Line of Credit Due March 22, 2023    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity 500,000,000  
Outstanding amount 236,462,000 1,230,017,000
Warehouse Line of Credit | Line of Credit Due April 23, 2023    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity 500,000,000  
Outstanding amount 185,502,000 755,539,000
Warehouse Line of Credit | Line of Credit Due May 23, 2022    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity 150,000,000  
Outstanding amount 142,570,000 144,534,000
Warehouse Line of Credit | Line of Credit Due July 28, 2023    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity 3,000,000,000.0  
Outstanding amount 2,239,591,000 4,482,245,000
Warehouse Line of Credit | Line Of Credit Due August 30, 2023    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity 700,000,000  
Outstanding amount 642,544,000 673,471,000
Warehouse Line of Credit | Line of Credit Due September 6, 2022    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity 200,000,000  
Outstanding amount 170,478,000 197,976,000
Warehouse Line of Credit | Line of Credit Due May 25, 2023    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity 200,000,000  
Outstanding amount 97,216,000 1,163,447,000
Warehouse Line of Credit | Line of Credit Due November 8, 2023    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity 300,000,000  
Outstanding amount 235,804,000 280,637,000
Warehouse Line of Credit | Line of Credit Due December 22, 2022    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity 250,000,000  
Outstanding amount 193,023,000 192,614,000
Warehouse Line of Credit | Line of Credit Due January 9, 2023    
Line of Credit Facility [Line Items]    
Outstanding amount 521,440,000 963,495,000
Warehouse Line of Credit | Line of Credit Due February 22, 2023    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity 2,500,000,000  
Outstanding amount 1,588,787,000 3,349,395,000
Warehouse Line of Credit | Line of Credit, ASAP program    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity 600,000,000  
Outstanding amount 0 516,889,000
Warehouse Line of Credit | Line of Credit, EF    
Line of Credit Facility [Line Items]    
Maximum borrowing capacity 750,000,000  
Outstanding amount $ 1,968,000 $ 718,537,000