Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Cash Flows (Parenthetical)

v3.22.0.1
Consolidated Statements of Cash Flows (Parenthetical)
Dec. 31, 2021
Sep. 30, 2020
8.00% Senior Notes due 2028    
Debt Instrument [Line Items]    
Debt instrument, interest rate, stated (as a percent) 8.00%  
6.25% Senior Notes due 2023    
Debt Instrument [Line Items]    
Debt instrument, interest rate, stated (as a percent) 6.25%  
9.00% Second Lien Notes    
Debt Instrument [Line Items]    
Debt instrument, interest rate, stated (as a percent) 9.00% 9.00%