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Fair Value Measurements - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Dec. 31, 2022
Apr. 30, 2021
8.00% Senior Secured Notes Due 2025 | Secured Debt        
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]        
Stated interest rate percentage 8.00% 8.00% 8.00%  
1.00% convertible notes due 2026 | Convertible notes        
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]        
Stated interest rate percentage 1.00%   1.00% 1.00%
1.00% convertible notes due 2026 | Convertible notes | Level 2        
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]        
Mark to market adjustments on derivative liability $ (1.7) $ 0.9    
Control Agreements For Interest And Fee Payments        
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]        
Restricted cash 44.4      
Standby Letters of Credit | Secured Debt        
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]        
Letters of credit, limit, amount 85.0      
Restricted cash 75.0      
Letter of credit facility, amount outstanding $ 31.1