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Derivative Financial Instruments - Schedule of Net Fair Value of Designated Hedge Derivatives Subject to Master Netting Arrangements Reported on Condensed Consolidated Balance Sheets (Detail) - Interest Rate Swap [Member] - USD ($)
$ in Thousands
Mar. 31, 2024
Sep. 30, 2023
Offsetting Assets [Line Items]    
Gross Recognized Amount $ (135)  
Gross Recognized Amount   $ 183
Net Amount Presented (135) 183
Cash Collateral Receivable 527  
Net Amount Reported $ 392  
Net Amount Reported   $ 183
Derivative Asset, Statement of Financial Position [Extensible Enumeration] Other Assets, Noncurrent Other Assets, Noncurrent