Accounts Receivable (Details) - USD ($) $ in Thousands |
6 Months Ended | |
|---|---|---|
Mar. 31, 2025 |
Sep. 30, 2024 |
|
| Receivables [Abstract] | ||
| Finance contracts maximum funding period | 30 days | |
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total accounts receivable | $ 92,129 | $ 73,820 |
| Less – allowance for credit losses | (490) | (551) |
| Total accounts receivable, net | 91,639 | 73,269 |
| Contracts in transit | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total accounts receivable | 39,866 | 20,437 |
| Trade accounts receivable | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total accounts receivable | 28,005 | 32,578 |
| Manufacturer receivable | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total accounts receivable | 14,685 | 11,435 |
| Income tax receivable | ||
| Accounts, Notes, Loans and Financing Receivable [Line Items] | ||
| Total accounts receivable | $ 9,573 | $ 9,370 |