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Obligations - Accretion of Debt Discount and Amortization of Financing Costs (Details) - 2024 Senior Convertible Long-Term Debt - 2024 Senior Convertible Long-Term Debt - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2022
Debt Instrument [Line Items]    
Contractual coupon interest $ 2,974 $ 4,974
Amortization of deferred financing costs 460 884
Total $ 3,434 $ 5,858