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Debt (Schedule of Obligations Under Debt Arrangements) (Details) - USD ($)
$ in Thousands
Sep. 30, 2022
May 17, 2022
Dec. 31, 2021
Dec. 17, 2020
Debt Instrument [Line Items]        
Principal $ 3,421,084   $ 3,005,743  
Unamortized Premium, Discount and Debt Issuance Costs 43,756   26,238  
Net Value 3,377,328   2,979,505  
Credit Facility | Revolving Credit Facility | Revolving Loan        
Debt Instrument [Line Items]        
Principal 120,200   49,000  
Unamortized Premium, Discount and Debt Issuance Costs 0   0  
Net Value 120,200   49,000  
Unamortized debt issuance costs $ 3,100   $ 4,700  
Senior Notes | 5.625% senior unsecured notes due 2024        
Debt Instrument [Line Items]        
Interest rate 562.50%   562.50%  
Principal $ 341,135   $ 341,135  
Unamortized Premium, Discount and Debt Issuance Costs 1,464   2,106  
Net Value $ 339,671   $ 339,029  
Senior Notes | 6.500% senior unsecured notes due 2025        
Debt Instrument [Line Items]        
Interest rate 650.00%   650.00%  
Principal $ 534,834   $ 534,834  
Unamortized Premium, Discount and Debt Issuance Costs 3,562   4,452  
Net Value $ 531,272   $ 530,382  
Senior Notes | 6.250% senior unsecured notes due 2026        
Debt Instrument [Line Items]        
Interest rate 625.00%   625.00%  
Principal $ 339,310   $ 359,799  
Unamortized Premium, Discount and Debt Issuance Costs 2,664   3,410  
Net Value $ 336,646   $ 356,389  
Senior Notes | 8.000% senior unsecured notes due 2027        
Debt Instrument [Line Items]        
Interest rate 800.00%   800.00% 8.00%
Principal $ 981,245   $ 1,000,000  
Unamortized Premium, Discount and Debt Issuance Costs 5,325   6,592  
Net Value $ 975,920   $ 993,408  
Senior Notes | 7.750% senior unsecured notes due 2028        
Debt Instrument [Line Items]        
Interest rate 775.00%   775.00%  
Principal $ 679,360   $ 720,975  
Unamortized Premium, Discount and Debt Issuance Costs 7,995   9,678  
Net Value $ 671,365   711,297  
Senior Notes | 5.875% Alkali senior secured notes due 2042        
Debt Instrument [Line Items]        
Interest rate 587.50% 5.875%    
Principal $ 425,000   0  
Unamortized Premium, Discount and Debt Issuance Costs 22,746   0  
Net Value $ 402,254   $ 0