v3.26.1
Loan Sales and Servicing Activities - Summary of Cash Flows with Transferees (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Cash flows:      
Sales proceeds $ 32,611,319 $ 27,587,429  
Servicing fees received 428,237 396,232  
Allowance for losses rollforward      
Balance at beginning of quarter 103,574 85,788  
Provision for losses 19,962 4,184  
Charge-offs, net (7,484) (7,817)  
Balance at end of quarter 116,052 $ 82,155  
Period end information:      
Unpaid principal balance of loans outstanding 460,361,759   $ 448,035,447
30-89 days 14,850,730   18,000,680
90 days or more - Not in foreclosure 11,561,042   9,759,483
90 days or more - In foreclosure 1,616,694   1,372,545
90 days or more - Foreclosed 4,583   4,076
Loans in bankruptcy $ 2,082,955   $ 1,968,188