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Debt and Financing Obligations - Notes (Details)
Jun. 30, 2022
Dec. 31, 2021
Senior Notes 6.875 Percent Due 2029    
Debt and Financing Obligations    
Stated interest rate (as a percent) 6.875% 6.875%
Senior Notes 7.00 Percent Due 2027    
Debt and Financing Obligations    
Stated interest rate (as a percent) 7.00% 7.00%