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Debt - Interest Expense (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Debt Instrument [Line Items]        
Other interest expense $ 14 $ 13 $ 21 $ 91
Consolidated interest expense 933 1,776 1,959 3,955
Revolving Credit Facility        
Debt Instrument [Line Items]        
Contractual interest expense 0 90 0 312
Accretion of exit fee 0 0 0 75
Amortization of debt issuance costs 0 0 0 117
Total interest expense 0 90 0 504
2029 Senior Secured Notes | Secured Debt        
Debt Instrument [Line Items]        
Contractual interest expense 920 0 1,840 0
Amortization of debt issuance costs 39 0 77 0
Amortization of debt discount/(premium) (94) 0 (187) 0
Total interest expense 865 0 1,730 0
2029 Senior Secured Notes | Secured Debt | Related Party        
Debt Instrument [Line Items]        
Total interest expense 673 0 1,345 0
2025 Notes | Convertible Debt        
Debt Instrument [Line Items]        
Contractual interest expense 42 1,305 163 2,620
Amortization of debt issuance costs 5 163 20 328
Amortization of debt discount/(premium) 7 205 25 412
Total interest expense 54 1,673 208 3,360
2025 Notes | Convertible Debt | Related Party        
Debt Instrument [Line Items]        
Total interest expense $ 0 $ 837 $ 0 $ 1,675