v3.25.4
Loans Held for Investment and Allowance for Credit Losses - Additional Information (Details)
$ in Millions
3 Months Ended 6 Months Ended
Dec. 31, 2025
USD ($)
deferral
Dec. 31, 2024
USD ($)
Dec. 31, 2025
USD ($)
deferral
Dec. 31, 2024
USD ($)
Financing Receivable, Allowance for Credit Loss [Line Items]        
Loans purchased $ 10,800.0 $ 8,100.0 $ 19,500.0 $ 14,500.0
Loans originated $ 2,800.0 $ 1,700.0 $ 4,700.0 $ 3,000.0
Period of suspended accrued interest past due     120 days  
Financing receivable, modified, number of deferrals | deferral 1   1  
Financing receivable, modified, length of deferral term 1 month 1 month 1 month 1 month
Financing receivable, modified, length of remaining term, maximum     24 months  
Financing receivable, excluding accrued interest, modified, subsequent default     $ 4.4 $ 17.1
Maximum        
Financing Receivable, Allowance for Credit Loss [Line Items]        
Loan lending terms     60 months  
Financing receivable, modified, length of deferral term     3 months  
Financing receivable, modified, weighted average term increase from modification 12 months 12 months 12 months 12 months
Minimum        
Financing Receivable, Allowance for Credit Loss [Line Items]        
Financing receivable, modified, weighted average term increase from modification 1 month 1 month 1 month 1 month