Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock ($.001 Par Value)	Paid-In Capital in Excess of Par	Retained Earnings (Accumulated Deficit)	Treasury Stock (at cost)
Beginning balance, shares at Dec. 31, 2018		462,355,725			1,941,749
Beginning balance at Dec. 31, 2018	$ 1,141,777	$ 462	$ 2,685,211	$ (1,533,112)	$ (10,784)
Issued pursuant to stock compensation plans, shares		9,315,016
Issued pursuant to stock compensation plans, value		$ 9	(9)
Issued pursuant to directors' compensation plan, shares		97,537
Issuance of new shares, shares		36,297,217			(1,990,000)
Issuance of new shares, value	39,555	$ 37	37,409	(5,161)	$ 7,270
Stock-based compensation, value	16,488		16,488
Issued pursuant to notes conversion, value	0
Tax withholding for stock compensation plans, shares					1,701,022
Tax withholding for stock compensation plans, value	(2,520)				$ (2,520)
Net income (loss)	216,959			216,959
Ending balance, shares at Dec. 31, 2019		508,065,495			1,652,771
Ending balance at Dec. 31, 2019	1,412,259	$ 508	2,739,099	(1,321,314)	$ (6,034)
Issued pursuant to stock compensation plans, shares		312,516
Issued pursuant to directors' compensation plan, shares		37,367
Issuance of new shares, shares		49,999,999
Issuance of new shares, value	1,095,419	$ 50	1,095,369
Stock-based compensation, value	14,317		14,317
Issued pursuant to notes conversion, shares		7,372,250
Issued pursuant to notes conversion, value	11,501	$ 8	11,493
Canceled pursuant to stock compensation plans, shares		(6,313,884)
Canceled pursuant to stock compensation plans, value	0	$ (6)	6
Tax withholding for stock compensation plans, shares					742,862
Tax withholding for stock compensation plans, value	(168)				$ (168)
Net income (loss)	(1,432,578)			(1,432,578)
Cancellation of Predecessor equity, shares		(509,473,744)			(2,395,633)
Cancellation of Predecessor equity, value	(5,331)	$ (510)	(2,764,915)	2,753,892	$ 6,202
Ending balance, shares at Sep. 18, 2020		49,999,999			0
Ending balance at Sep. 18, 2020	1,095,419	$ 50	1,095,369	0	$ 0
Stock-based compensation, value	8,907		8,907
Issued pursuant to notes conversion, value	0
Net income (loss)	$ (50,658)			(50,658)
Ending balance, shares at Dec. 31, 2020	49,999,999	49,999,999			0
Ending balance at Dec. 31, 2020	$ 1,053,668	$ 50	1,104,276	(50,658)	$ 0
Stock-based compensation, value	27,205		27,205
Issued pursuant to notes conversion, value	0
Tax withholding for stock compensation plans, value	$ (2,244)		(2,244)
Issued pursuant to exercise of warrants, shares	193,657	193,657
Issued pursuant to exercise of warrants, value	$ 759		759
Net income (loss)	$ 56,002			56,002
Ending balance, shares at Dec. 31, 2021	50,193,656	50,193,656			0
Ending balance at Dec. 31, 2021	$ 1,135,390	$ 50	$ 1,129,996	$ 5,344	$ 0