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Fair Value - Change in Level 3 Financial Assets (Details) - Embedded EPP derivatives - USD ($)
$ in Thousands
1 Months Ended 9 Months Ended
Jun. 30, 2023
Sep. 30, 2023
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Beginning balance   $ 5,895
EPP liability settlement $ (3,200) (3,160)
Changes in fair value   1,213
Ending balance   $ 3,948