Summary of Significant Accounting Policies and Estimates - Revenue and Cost Recognition (Details) |
6 Months Ended |
|---|---|
Mar. 31, 2026 | |
| Minimum | |
| Summary of Significant Accounting Policies and Estimates | |
| Contractual period | 12 months |
| Maximum | |
| Summary of Significant Accounting Policies and Estimates | |
| Contractual period | 18 months |