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Accrued Expenses and Other Liabilities (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Sep. 30, 2022
--- | --- | ---
Accrued expenses and other current liabilities: |  |
Accrued wages, bonuses, commissions and vacation | $ 8,713 | $ 8,117
Accrued interest | 1,313 | 642
Accrued contingent consideration — current portion | 6,825 | 21,385
Escrow liabilities | 3,965 | 12,285
Tax receivable agreement liability — current portion | 0 | 20
Customer deposits | 1,258 | 1,575
Employee health self-insurance liability | 1,014 | 732
Accrued interchange | 2,191 | 2,096
Other current liabilities | 12,461 | 10,981
Accrued expenses and other current liabilities | 37,740 | 57,833
Long-term Liabilities |  |
Accrued contingent consideration — long-term portion | 1,414 | 1,448
Deferred tax liability — long-term | 19,646 | 7,896
Other long-term liabilities | 3,083 | 196
Total other long-term liabilities | $ 24,143 | $ 9,540

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