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Stock and Stockholders' Equity (Details)
3 Months Ended 9 Months Ended 12 Months Ended
Mar. 19, 2024
USD ($)
Aug. 24, 2020
USD ($)
$ / shares
shares
Sep. 30, 2023
USD ($)
Jun. 30, 2023
USD ($)
Mar. 31, 2023
USD ($)
Sep. 30, 2024
USD ($)
shares
Sep. 30, 2023
USD ($)
Dec. 31, 2021
shares
Dec. 31, 2023
USD ($)
Sep. 01, 2023
shares
Apr. 17, 2020
USD ($)
Feb. 28, 2017
USD ($)
Class of Stock [Line Items]                        
Preferred stock, shares outstanding (in shares) | shares               3,290,000        
Accrued preferred stock dividends [1]     $ 3,564,000 $ 5,347,000 $ 5,346,000              
Dividends paid on preferred stock     $ 5,000,000     $ 0 $ 16,039,000          
Authorized to repurchase                       $ 500,000,000
Number of shares repurchased (in shares) | shares           0            
Remaining authorized amount           $ 287,000,000            
Exchangeable Notes | Convertible Debt                        
Class of Stock [Line Items]                        
Cash from exchangeable notes $ 30,000,000                      
4.00% senior exchangeable notes due 2025 | Convertible Debt                        
Class of Stock [Line Items]                        
Face value of debt instruments at the time of issuance                     $ 345,000,000  
Debt exchanged 150,000,000                      
Principal           183,220,000     $ 333,220,000      
7.32% senior exchangeable notes due 2026 | Convertible Debt                        
Class of Stock [Line Items]                        
Face value of debt instruments at the time of issuance $ 150,000,000                      
Principal           $ 150,000,000     $ 0      
Common Stock                        
Class of Stock [Line Items]                        
Conversion of stock, shares issued (in shares) | shares               595,240        
6.50% Series A Mandatory Convertible Preferred Stock                        
Class of Stock [Line Items]                        
Shares sold in offering (in shares) | shares   3,340,000                    
Annual percentage rate   6.50% 6.50% 6.50% 6.50%              
Offering proceeds   $ 323,000,000                    
Conversion of stock, shares converted (in shares) | shares               50,000        
Conversion rate                   14.2857    
Shares issued at conversion (in shares) | shares                   47,000,000    
Liquidation preference (in dollars per share) | $ / shares   $ 100                    
Annual liquidation preference (in dollars per share) | $ / shares   $ 6.50                    
Accrued preferred stock dividends     $ 4,000,000       $ 14,000,000          
[1] Our mandatory convertible preferred stock accumulated cumulative dividends at an annual rate of 6.50%.