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CONSOLIDATED STATEMENTS OF CASH FLOWS (Parenthetical) - USD ($)
$ in Thousands
12 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2021
Statement of Cash Flows [Abstract]      
Proceeds from related party debt $ 0 $ 650 $ 0
Proceeds from income tax refunds $ 1,656 $ 2,256 $ 2,201