CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Common Stock Warrants	Additional Paid-in Capital	Accumulated Earnings (Deficit)
Beginning balance (in shares) at Dec. 31, 2017		15,428,000
Beginning balance at Dec. 31, 2017	$ (369,272)	$ 7,714	$ 3,557	$ 546,696	$ (927,239)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Income tax withholdings on equity awards (in shares)		(53,000)
Income tax withholdings on equity awards	(369)	$ (26)		(343)
Stock-based compensation (in shares)		623,000
Stock-based compensation	3,912	$ 311	0	3,601	0
Common stock issued for debt conversion (in shares)		2,000
Common stock issued for debt conversion	29	$ 1		28
Common stock warrants exercised (in shares)		379,000
Common stock warrants exercised		$ 189	(3,247)	3,058
Net income (loss)	(92,754)				(92,754)
Ending balance (in shares) at Aug. 13, 2018		16,379,000
Ending balance at Aug. 13, 2018	(458,454)	$ 8,189	310	553,040	(1,019,993)
Beginning balance (in shares) at Dec. 31, 2017		15,428,000
Beginning balance at Dec. 31, 2017	$ (369,272)	$ 7,714	3,557	546,696	(927,239)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Common stock warrants exercised (in shares)	402,708
Ending balance (in shares) at Dec. 31, 2018		105,871,000
Ending balance at Dec. 31, 2018	$ 569,571	$ 52,936	0	452,513	64,122
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Successor common stock, beginning balance (in shares)		16,379,000
Successor common stock, beginning balance	140,531	$ 8,189	310	132,032
Beginning balance (in shares) at Aug. 13, 2018		16,379,000
Beginning balance at Aug. 13, 2018	(458,454)	$ 8,189	310	553,040	(1,019,993)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Jones contribution (in shares)		88,571,000
Jones Contribution adjustment	360,188	$ 44,286		315,902
Vesting of equity awards (in shares)		1,029,000
Vesting of equity awards	8,826	$ 514		8,312
Income tax withholdings on equity awards (in shares)		(547,000)
Income tax withholdings on equity awards	(4,695)	$ (272)		(4,423)
Stock-based compensation (in shares)		415,000
Stock-based compensation	994	$ 207		787
Stock issuance costs	(395)			(395)
Common stock warrants exercised and expired (in shares)		24,000
Common stock warrants exercised and expired		$ 12	(310)	298
Net income (loss)	64,122				64,122
Ending balance (in shares) at Dec. 31, 2018		105,871,000
Ending balance at Dec. 31, 2018	569,571	$ 52,936	0	452,513	64,122
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Jones Contribution adjustment	(1,969)			(1,969)
Income tax withholdings on equity awards (in shares)		(38,000)
Income tax withholdings on equity awards	(220)	$ (19)		(201)
Stock-based compensation (in shares)		841,000
Stock-based compensation	4,020	$ 420	$ 0	3,600
Issuance of common stock (in shares)		83,333,000
Issuance of common stock	498,633	$ 41,666		456,967
Equity issuance costs	(1,487)			(1,487)
Net income (loss)	96,889				96,889
Preferred stock accretion	(4,583)				(4,583)
Payment of preferred dividends	(17,832)				(17,832)
Ending balance (in shares) at Dec. 31, 2019		190,007,000
Ending balance at Dec. 31, 2019	1,143,022	$ 95,003		909,423	138,596
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Income tax withholdings on equity awards (in shares)		(115,000)
Income tax withholdings on equity awards	(692)	$ (59)		(633)
Stock-based compensation (in shares)		431,000
Stock-based compensation	6,464	$ 216		6,248
Issuance of common stock (in shares)		42,092,000
Issuance of common stock	211,638	$ 21,046		190,592
Stock issuance costs	(10,246)			(10,246)
Net income (loss)	(52,417)				(52,417)
Preferred stock accretion	(5,417)				(5,417)
Payment of preferred dividends	(25,579)				(25,579)
Ending balance (in shares) at Dec. 31, 2020		232,415,000
Ending balance at Dec. 31, 2020	$ 1,266,773	$ 116,206		$ 1,095,384	$ 55,183