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
Other Financing Lines of Credit - Summary Of Components of Other Financing Lines of Credit (Detail) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2022
Dec. 31, 2021
Line of Credit Facility [Line Items]    
Total Capacity $ 5,515,198  
Outstanding borrowings 2,593,290 $ 3,347,442
Mortgage Line Of Credit [Member]    
Line of Credit Facility [Line Items]    
Total Capacity 3,065,821  
Outstanding borrowings 1,106,562 1,996,538
Reverse Line Of Credit [Member]    
Line of Credit Facility [Line Items]    
Total Capacity 1,921,877  
Outstanding borrowings 1,152,917 1,129,402
Commercial Lines Of Credit [Member]    
Line of Credit Facility [Line Items]    
Total Capacity 527,500  
Outstanding borrowings $ 333,811 221,502
August 2022 | Commercial Lines Of Credit [Member]    
Line of Credit Facility [Line Items]    
Maturity date August 2022  
Interest rate LIBOR + applicable margin  
Collateral pledge Encumbered Agricultural Loans  
Total Capacity $ 75,000  
Outstanding borrowings $ 22,221 25,127
April 2023 - January 2024 | Commercial Lines Of Credit [Member]    
Line of Credit Facility [Line Items]    
Maturity date April 2023 - January 2024  
Interest rate LIBOR / SOFR + applicable margin  
Collateral pledge First Lien Mortgages  
Total Capacity $ 407,500  
Outstanding borrowings $ 272,690 167,159
August 2022 | Commercial Lines Of Credit [Member]    
Line of Credit Facility [Line Items]    
Maturity date August 2022  
Interest rate 10%  
Collateral pledge Second Lien Mortgages  
Total Capacity $ 45,000  
Outstanding borrowings $ 38,900 24,175
Mortgage Related Assets | Commercial Lines Of Credit [Member]    
Line of Credit Facility [Line Items]    
Interest rate LIBOR + applicable margin  
Collateral pledge Mortgage Related Assets  
Outstanding borrowings   5,041
August 2022 - June 2023 | Mortgage Line Of Credit [Member]    
Line of Credit Facility [Line Items]    
Maturity date August 2022 - June 2023  
Interest rate LIBOR / SOFR+ applicablemargin  
Collateral pledge First Lien Mortgages  
Total Capacity $ 2,875,000  
Outstanding borrowings $ 945,532 1,802,348
August 2022 - June 2023 | Reverse Line Of Credit [Member]    
Line of Credit Facility [Line Items]    
Maturity date August 2022 - June 2023  
Interest rate LIBOR / SOFR + applicable margin  
Collateral pledge First Lien Mortgages  
Total Capacity $ 1,450,000  
Outstanding borrowings $ 773,871 714,013
March 2026 | Mortgage Line Of Credit [Member]    
Line of Credit Facility [Line Items]    
Maturity date March 2026  
Interest rate Ameribor + applicable margin  
Collateral pledge MSRs  
Total Capacity $ 150,000  
Outstanding borrowings $ 120,209 138,524
August 2022 - September 2022 | Mortgage Line Of Credit [Member]    
Line of Credit Facility [Line Items]    
Maturity date August 2022 - September 2022  
Interest rate SOFR + applicable margin  
Collateral pledge Mortgage Related Assets  
Total Capacity $ 40,821  
Outstanding borrowings $ 40,821 55,666
July 2022 - September 2022 | Reverse Line Of Credit [Member]    
Line of Credit Facility [Line Items]    
Maturity date July 2022 - September 2022  
Interest rate Bond accrual rate + applicable margin  
Collateral pledge Mortgage Related Assets  
Total Capacity $ 330,000  
Outstanding borrowings $ 293,345 297,893
September 2022 | Reverse Line Of Credit [Member]    
Line of Credit Facility [Line Items]    
Maturity date September 2022  
Interest rate LIBOR + applicable margin  
Collateral pledge MSRs  
Total Capacity $ 90,000  
Outstanding borrowings $ 42,325 78,952
May 2023 | Reverse Line Of Credit [Member]    
Line of Credit Facility [Line Items]    
Maturity date May 2023  
Interest rate Prime + .50%; 6% floor  
Collateral pledge Unsecuritized Tails  
Total Capacity $ 51,877  
Outstanding borrowings $ 43,376 $ 38,544