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 (in shares) at Dec. 31, 2019		508,065,495
Beginning balance (in shares) at Dec. 31, 2019					1,652,771
Beginning balance at Dec. 31, 2019	$ 1,412,259	$ 508	$ 2,739,099	$ (1,321,314)	$ (6,034)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net issued pursuant to stock compensation plans (in shares)		312,516
Issued pursuant to directors' compensation plan (in shares)		37,367
Stock-based compensation	14,317		14,317
Issued pursuant to notes conversion (in shares)		7,372,250
Issued pursuant to notes conversion	11,501	$ 8	11,493
Canceled pursuant to stock compensation plans (in shares)		(6,313,884)
Canceled pursuant to stock compensation plans	0	$ (6)	6
Tax withholding for stock compensation plans (in shares)					(742,862)
Tax withholding for stock compensation plans	(168)				$ (168)
Net income (loss)	(1,432,578)			(1,432,578)
Cancellation of Predecessor equity (in shares)		(509,473,744)			(2,395,633)
Cancellation of Predecessor equity	(5,331)	$ (510)	(2,764,915)	2,753,892	$ 6,202
Issuance of Successor equity (in shares)		49,999,999
Issuance of Successor equity	1,095,419	$ 50	1,095,369
Ending balance (in shares) at Sep. 18, 2020		49,999,999
Ending balance (in shares) at Sep. 18, 2020					0
Ending balance at Sep. 18, 2020	1,095,419	$ 50	1,095,369	0	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	8,907		8,907
Issued pursuant to notes conversion	0
Net income (loss)	(50,658)			(50,658)
Ending balance (in shares) at Dec. 31, 2020		49,999,999
Ending balance (in shares) at Dec. 31, 2020					0
Ending balance at Dec. 31, 2020	1,053,668	$ 50	1,104,276	(50,658)	$ 0
Beginning balance (in shares) at Sep. 18, 2020		49,999,999
Beginning balance (in shares) at Sep. 18, 2020					0
Beginning balance at Sep. 18, 2020	$ 1,095,419	$ 50	1,095,369	0	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issued pursuant to exercise of warrants (in shares)	1,300,000
Ending balance (in shares) at Dec. 31, 2022	49,814,874	49,814,874
Ending balance (in shares) at Dec. 31, 2022					0
Ending balance at Dec. 31, 2022	$ 1,532,617	$ 50	1,047,063	485,504	$ 0
Beginning balance (in shares) at Dec. 31, 2020		49,999,999
Beginning balance (in shares) at Dec. 31, 2020					0
Beginning balance at Dec. 31, 2020	1,053,668	$ 50	1,104,276	(50,658)	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation	27,205		27,205
Issued pursuant to notes conversion	0
Tax withholding for stock compensation plans	(2,244)		(2,244)
Net income (loss)	56,002			56,002
Issued pursuant to exercise of warrants (in shares)		193,657
Issued pursuant to exercise of warrants	$ 759		759
Ending balance (in shares) at Dec. 31, 2021	50,193,656	50,193,656
Ending balance (in shares) at Dec. 31, 2021					0
Ending balance at Dec. 31, 2021	$ 1,135,390	$ 50	1,129,996	5,344	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net issued pursuant to stock compensation plans (in shares)		152,955
Stock-based compensation	17,067		17,067
Issued pursuant to notes conversion	0
Tax withholding for stock compensation plans (in shares)		(35)			(35)
Tax withholding for stock compensation plans	(939)		(937)		$ (2)
Employee stock purchase plan (in shares)		7,604
Employee stock purchase plan	561		561
Net income (loss)	480,160			480,160
Issued pursuant to exercise of warrants (in shares)		1,076,050
Issued pursuant to exercise of warrants	406	$ 1	405
Stock repurchase program (in shares)		1,615,356			1,615,356
Stock repurchase program	(100,028)				$ (100,028)
Retired Treasury Shares (in shares)					(1,615,391)
Retired Treasury Shares	$ 0	$ (1)	(100,029)		$ (100,030)
Ending balance (in shares) at Dec. 31, 2022	49,814,874	49,814,874
Ending balance (in shares) at Dec. 31, 2022					0
Ending balance at Dec. 31, 2022	$ 1,532,617	$ 50	$ 1,047,063	$ 485,504	$ 0