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Long-Term Debt and Other Financing Arrangements - Narrative (Details) - USD ($)
$ / shares in Units, $ in Thousands
 1 Months Ended 3 Months Ended 4 Months Ended 9 Months Ended 12 Months Ended 20 Months Ended
Apr. 30, 2023
Mar. 31, 2023
Feb. 28, 2023
Nov. 30, 2022
Feb. 28, 2022
Mar. 31, 2023
Mar. 31, 2023
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Sep. 30, 2023
Dec. 31, 2021
Nov. 30, 2019
Debt Instrument [Line Items]                          
Proceeds from 2023 Funding Agreement               $ 87,730 $ 0        
Debt instrument, principal amount               375,388   $ 202,788 $ 375,388    
Loss on debt extinguishment               10,194 $ 0        
Purchase agreement interest rate         7.00%   10.50%            
Confirmed invoices paid during the periods           $ 62,100   $ 59,575   $ 14,000 $ 76,100    
Interest expense, vendor financing   $ 2,500       2,500 $ 2,500            
Preferred stock, shares issued (in shares)               0   0 0    
Preferred stock               $ 0   $ 0 $ 0    
Series A Preferred Convertible Stock                          
Debt Instrument [Line Items]                          
Preferred stock, shares issued (in shares)       149,425       149,425   149,425 149,425    
Preferred stock, dividend rate, percentage       7.00%                  
Preferred stock, liquidation preference (in USD per share)       $ 1,000                  
Preferred stock       $ 105,300       $ 0   $ 0 $ 0    
Series A Preferred Convertible Stock | Related Party                          
Debt Instrument [Line Items]                          
Preferred stock, dividend rate, percentage               7.00%          
2023 Funding Agreement                          
Debt Instrument [Line Items]                          
Partnership agreement, prepayment receivable     $ 252,000                    
Debt instrument, percentage funded by partner     50.00%                    
Proceeds from 2023 Funding Agreement $ 87,700                        
Partnership agreement, minimum liquidity requirement     $ 30,000                    
Debt instrument, principal amount $ 88,000   $ 87,730         $ 87,730   0 87,730    
2021 Funding Agreement                          
Debt Instrument [Line Items]                          
Debt instrument, principal amount               81,700   0 81,700 $ 94,200  
2023 13% Notes                          
Debt Instrument [Line Items]                          
Debt instrument, principal amount   $ 200,000       $ 200,000 $ 200,000 $ 205,958   0 $ 205,958    
Loan interest rate   13.00%       13.00% 13.00% 13.00%     13.00%    
Issue price, percentage of principal   95.00%       95.00% 95.00%            
Financing costs   $ 7,800                      
Interest rate, payable in cash   4.00%       4.00% 4.00%            
Interest rate, payable in-kind   9.00%       9.00% 9.00%            
Interest rate agreed upon, payable in cash   6.50%       6.50% 6.50%            
Interest rate, payable in-kind   6.50%       6.50% 6.50%            
2023 13% Notes | Prior to March 15, 2025                          
Debt Instrument [Line Items]                          
Redemption price, percentage   100.00%                      
2023 13% Notes | Beginning On The First Call Date                          
Debt Instrument [Line Items]                          
Redemption price, percentage   103.00%                      
2023 13% Notes | After March 15, 2027                          
Debt Instrument [Line Items]                          
Redemption price, percentage   100.00%                      
2023 13% Notes | Event Of A Change Of Control                          
Debt Instrument [Line Items]                          
Redemption price, percentage   101.00%                      
2019 Facility Agreement                          
Debt Instrument [Line Items]                          
Debt instrument, principal amount               $ 0   $ 143,213 $ 0   $ 199,000
Loan interest rate                         14.00%
Extinguishment of debt   $ 148,000   $ 149,400                  
Loss on debt extinguishment           $ 10,400