Loans Held for Investment and Allowance for Credit Losses - Schedule of Allowance for Credit Loss (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Financing Receivable, Allowance for Credit Loss [Roll Forward] | ||||
| Balance at beginning of period | $ 425,801 | $ 350,606 | $ 396,929 | $ 309,097 |
| Provision for loan losses | 208,175 | 147,069 | 364,579 | 301,874 |
| Charge-offs | (171,864) | (142,912) | (316,459) | (264,360) |
| Recoveries of charged-off receivables | 15,991 | 9,068 | 33,054 | 17,220 |
| Balance at end of period | $ 478,103 | $ 363,831 | $ 478,103 | $ 363,831 |