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Cash and Cash Equivalents - Additional Information (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Sep. 30, 2024
Cash And Cash Equivalents [Line Items]    
Cash and cash equivalents (cost----$53,629 and $68,429, respectively) $ 102,262 $ 112,050
Money Market Funds    
Cash And Cash Equivalents [Line Items]    
Cash and cash equivalents (cost----$53,629 and $68,429, respectively) 26,700 22,200
Non Money Market    
Cash And Cash Equivalents [Line Items]    
Cash and cash equivalents (cost----$53,629 and $68,429, respectively) $ 75,600 $ 89,800