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Fair Value Measurements (Details) - Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation - Fair Value, Inputs, Level 3 [Member] - Fair Value, Recurring [Member] - USD ($)
$ in Thousands
9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Redeemable Preferred Stock [Member]    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Balance $ 21,282 $ 8,062
Change in fair value 2,065 9,013
Balance 23,347 17,075
3.25% Convertible Senior Notes Due 2023 [Member]    
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]    
Balance 0 34,134
Conversion of convertible senior notes 0 (50,759)
Change in fair value 0 16,495
Payment-in-kind interest 0 312
Balance $ 0 $ 182