Quarterly report pursuant to Section 13 or 15(d)

Other Financing Lines of Credit - Summary Of Components of Other Financing Lines of Credit (Detail)

v3.22.2.2
Other Financing Lines of Credit - Summary Of Components of Other Financing Lines of Credit (Detail) - USD ($)
$ in Thousands
 9 Months Ended
Sep. 30, 2022
Dec. 31, 2021
Line of Credit Facility [Line Items]    
Total Capacity $ 4,450,565  
Outstanding borrowings 2,305,999 $ 3,347,442
Mortgage Lines    
Line of Credit Facility [Line Items]    
Total Capacity 2,139,065  
Outstanding borrowings 662,697 1,996,538
Mortgage Lines | August 2022 - June 2023, First Lien Mortgages    
Line of Credit Facility [Line Items]    
Total Capacity 2,000,000  
Outstanding borrowings 601,635 1,802,348
Mortgage Lines | March 2026, MSRs    
Line of Credit Facility [Line Items]    
Total Capacity 50,000  
Outstanding borrowings 10,227 138,524
Mortgage Lines | August 2022 - September 2022, Mortgage Related Assets    
Line of Credit Facility [Line Items]    
Total Capacity 39,065  
Outstanding borrowings 39,065 50,559
Mortgage Lines | November 2022, HI Customer Loans    
Line of Credit Facility [Line Items]    
Total Capacity 50,000  
Outstanding borrowings 11,770 5,107
Reverse Lines    
Line of Credit Facility [Line Items]    
Total Capacity 1,870,000  
Outstanding borrowings 1,267,958 1,129,402
Reverse Lines | August 2022 - June 2023, First Lien Mortgages    
Line of Credit Facility [Line Items]    
Total Capacity 1,475,000  
Outstanding borrowings 935,434 714,013
Reverse Lines | July 2022 - September 2022, Mortgage Related Assets    
Line of Credit Facility [Line Items]    
Total Capacity 345,000  
Outstanding borrowings 292,524 297,893
Reverse Lines | September 2022, MSRs    
Line of Credit Facility [Line Items]    
Total Capacity 0  
Outstanding borrowings 0 78,952
Reverse Lines | May 2023, Unsecuritized Tails    
Line of Credit Facility [Line Items]    
Total Capacity 50,000  
Outstanding borrowings $ 40,000 38,544
Reverse Lines | May 2023, Unsecuritized Tails | Prime Rate    
Line of Credit Facility [Line Items]    
Basis spread on variable rate 0.50%  
Reverse Lines | May 2023, Unsecuritized Tails | Prime Rate, Floor    
Line of Credit Facility [Line Items]    
Basis spread on variable rate 6.00%  
Commercial Lines    
Line of Credit Facility [Line Items]    
Total Capacity $ 441,500  
Outstanding borrowings 375,344 221,502
Commercial Lines | August 2022, Encumbered Agricultural Loans    
Line of Credit Facility [Line Items]    
Total Capacity 75,000  
Outstanding borrowings $ 27,310 $ 25,127
Commercial Lines | August 2022, Encumbered Agricultural Loans | Minimum    
Line of Credit Facility [Line Items]    
Interest Rate 2.50% 2.50%
Commercial Lines | August 2022, Encumbered Agricultural Loans | Maximum    
Line of Credit Facility [Line Items]    
Interest Rate 3.25% 3.25%
Commercial Lines | April 2023 - January 2024, First Lien Mortgages    
Line of Credit Facility [Line Items]    
Total Capacity $ 309,000  
Outstanding borrowings 290,534 $ 167,159
Commercial Lines | August 2022, Second Lien Mortgages    
Line of Credit Facility [Line Items]    
Total Capacity 45,000  
Outstanding borrowings $ 45,000 $ 24,175
Interest Rate 15.00% 15.00%
Commercial Lines | Mortgage Related Assets    
Line of Credit Facility [Line Items]    
Total Capacity $ 12,500  
Outstanding borrowings $ 12,500 $ 5,041