Fresh-Start Accounting - Fresh Start and Reorganization Value (Details) $ in Thousands	11 Months Ended
	Nov. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)
Reorganizations [Abstract]
Enterprise value	$ 353,000
Plus: Cash and cash equivalents and restricted cash (excluding funds held in the professional fee escrow of $6.8 million)	$ 11,970
Funds held in the professional fee escrow		$ 6,800
Asset Retirement Obligations, Inflation Factor, Percentage	0.00025
Asset Retirement Obligations, Estimated Credit Adjusted Risk Free, Duration	30 years
Asset Retirement Obligations, Credit Adjusted Risk Free Rate, Percentage	0.00105
Less: Fair value of debt	$ (272,007)
Total stockholders’ equity	92,963
Enterprise Value	353,000
Plus: Cash and cash equivalents and restricted cash (excluding funds held in the professional fee escrow of $6.8 million)	11,970
Current liabilities (excluding current portion of long-term debt)	41,459
Non-current liabilities excluding long-term debt	4,846
Mortgage obligations related to Boland Building LLC	8,328
Reorganization value of Successor's assets to be allocated	$ 419,603