Fresh Start Accounting - Equity Issuance (Details) - New Common Stock	Feb. 09, 2021 shares
Debt Instrument [Line Items]
Issuance of Successor common stock (in shares)	97,907,081
Class A Warrants
Debt Instrument [Line Items]
Warrants issued (in shares)	11,111,111
Class B Warrants
Debt Instrument [Line Items]
Warrants issued (in shares)	12,345,679
Class C Warrants
Debt Instrument [Line Items]
Warrants issued (in shares)	9,768,527