Fresh-Start Accounting - Additional Information (Details)	Nov. 30, 2020 USD ($)
Reorganizations [Abstract]
Enterprise value	$ 353,000,000
Fresh-Start Adjustment [Line Items]
Enterprise value	$ 353,000,000
Weighted average cost of capital rate	10.50%
Inflation rate	2.00%
Tranche 1 Warrants
Fresh-Start Adjustment [Line Items]
Warrants valuation condiation minimum equity value	$ 100,000,000
Minimum
Reorganizations [Abstract]
Enterprise value	290,000,000
Fresh-Start Adjustment [Line Items]
Enterprise value	290,000,000
Maximum
Reorganizations [Abstract]
Enterprise value	415,000,000
Fresh-Start Adjustment [Line Items]
Enterprise value	$ 415,000,000