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Long-Term Debt - Warrants and Put Option (Details) - Warrants And Put Option - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Jun. 30, 2022
Jun. 30, 2022
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance $ 90,932 $ 0
Additions 0 84,771
Unrealized gain (26,796) (20,635)
Ending balance $ 64,136 $ 64,136