Acquired Card Receivables - Schedule of Change in Allowance for Credit Losses (Details) - USD ($) $ in Thousands |
12 Months Ended | |
|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
|
| Allowance For Credit Losses [Roll Forward] | ||
| Balance, beginning | $ 15,020 | $ 20,883 |
| Provision for expected credit losses | 54,518 | 45,326 |
| Charge-off amounts | (68,367) | (59,265) |
| Recoveries collected | 12,571 | 8,076 |
| Balance, ending | $ 13,742 | $ 15,020 |