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Debt - Interest Expense (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Debt Instrument [Line Items]        
Other interest expense $ 10 $ 4 $ 31 $ 95
Consolidated interest expense 885 5,731 2,844 9,686
Revolving Credit Facility        
Debt Instrument [Line Items]        
Contractual interest expense 0 0 0 312
Accretion of exit fee 0 0 0 75
Amortization of debt issuance costs 0 0 0 117
Total interest expense 0 0 0 504
Line of Credit | Short-Term Loan Agreement        
Debt Instrument [Line Items]        
Contractual interest expense 0 1,271 0 1,271
Amortization of debt discount/(premium) 0 3,329 0 3,329
Total interest expense 0 4,600 0 4,600
Related Party | Line of Credit | Short-Term Loan Agreement        
Debt Instrument [Line Items]        
Total interest expense 0 4,600 0 4,600
2029 Senior Secured Notes | Secured Debt        
Debt Instrument [Line Items]        
Contractual interest expense 920 0 2,760 0
Amortization of debt issuance costs 37 0 114 0
Amortization of debt discount/(premium) (93) 0 (280) 0
Total interest expense 864 0 2,594 0
2029 Senior Secured Notes | Secured Debt | Related Party        
Debt Instrument [Line Items]        
Total interest expense 672 0 2,017 0
Working Capital Facility | Revolving Credit Facility        
Debt Instrument [Line Items]        
Contractual interest expense 6 0 6 0
Amortization of debt issuance costs 5 0 5 0
Total interest expense 11 0 11 0
2025 Notes | Convertible Debt        
Debt Instrument [Line Items]        
Contractual interest expense 0 879 163 3,499
Amortization of debt issuance costs 0 110 20 438
Amortization of debt discount/(premium) 0 138 25 550
Total interest expense 0 1,127 208 4,487
2025 Notes | Convertible Debt | Related Party        
Debt Instrument [Line Items]        
Total interest expense $ 0 $ 837 $ 0 $ 2,512