Consolidated Statements of Stockholders' Equity - USD ($)	Total	Common Stock	Additional Paid-in Capital	Treasury Stock	Retained Earnings (Deficit)
Beginning Balance | Predecessor [Member]	$ 794,378,000	$ 444,000	$ 771,972,000	$ (9,855,000)	$ 31,817,000
Stock issued for benefit plans | Predecessor [Member]	919,000	0	(1,714,000)	7,518,000	(4,885,000)
Purchase of treasury shares | Predecessor [Member]	(154,000)	0	0	(154,000)	0
Employee stock purchase plan | Predecessor [Member]	302,000	1,000	301,000	0	0
Issuance of restricted stock | Predecessor [Member]	0	3,000	(3,000)	0	0
Amortization of share-based compensation | Predecessor [Member]	5,802,000	0	5,802,000	0	0
Net Income (Loss) | Predecessor [Member]	(1,653,971,000)	0	0	0	(1,653,971,000)
Beginning Balance | Predecessor [Member]	(852,724,000)	448,000	776,358,000	(2,491,000)	(1,627,039,000)
Purchase of treasury shares | Predecessor [Member]	(5,000)	0	0	(5,000)	0
Issuance of restricted stock | Predecessor [Member]	0	2,000	(2,000)	0	0
Amortization of share-based compensation | Predecessor [Member]	1,118,000	0	1,118,000	0	0
Net Income (Loss) | Predecessor [Member]	851,611,000	0	0	0	851,611,000
Beginning Balance | Predecessor [Member]	0	0	0	0	0
Beginning Balance | Successor [Member]	229,399,000	100,000	229,299,000	0	0
Stockholders' Equity Attributable to Parent before Cancellation | Predecessor [Member]	0	450,000	777,474,000	(2,496,000)	(775,428,000)
Cancellation of Common Stock | Predecessor [Member]	0	(450,000)	(777,474,000)	2,496,000	775,428,000
Issuance of Successor Common Stock & Warrants | Successor [Member]	229,399,000	100,000	229,299,000	0	0
Purchase of treasury shares | Successor [Member]	(675,000)	0	0	(675,000)	0
Issuance of restricted stock | Successor [Member]	1,000	1,000	0	0	0
Amortization of share-based compensation | Successor [Member]	3,618,000	0	3,618,000	0	0
Net Income (Loss) | Successor [Member]	(156,288,000)	0	0	0	(156,288,000)
Beginning Balance | Successor [Member]	76,055,000	101,000	232,917,000	(675,000)	(156,288,000)
Purchase of treasury shares | Successor [Member]	(777,000)	0	0	777,000	0
Issuance of Common Stock | Successor [Member]	39,180,000	14,000	39,166,000	0	0
Issuance of restricted stock | Successor [Member]	0	1,000	(1,000)	0	0
Amortization of share-based compensation | Successor [Member]	7,029,000	0	7,029,000	0	0
Net Income (Loss) | Successor [Member]	71,971,000	0	0	0	71,971,000
Beginning Balance | Successor [Member]	$ 193,458,000	$ 116,000	$ 279,111,000	$ (1,452,000)	$ (84,317,000)