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New Accounting Pronouncements and Changes in Accounting (Details) - USD ($)
$ in Thousands
Sep. 30, 2022
Sep. 30, 2021
Oct. 01, 2020
New Accounting Pronouncements and Changes in Accounting      
Accumulated deficits $ 701,654 $ 504,126  
ASU 2016-06      
New Accounting Pronouncements and Changes in Accounting      
Accumulated deficits     $ (8,000)