Consolidated Statements of Changes in Stockholders' Equity (Current Period Unaudited) - USD ($) shares in Thousands, $ in Thousands		Common Stock [Member]	Additional Paid-in Capital [Member]	AOCI Attributable to Parent [Member]	Retained Earnings [Member]	Total
Balance (in shares) (Predecessor [Member]) at Dec. 31, 2015		120,420
Balance (Predecessor [Member]) at Dec. 31, 2015		$ 1,204	$ 997,766	$ (4,025)	$ (362,302)	$ 632,643
Forfeitures of restricted shares (in shares) | Predecessor [Member]		(576)
Forfeitures of restricted shares | Predecessor [Member]		$ (6)	6
Employee tax withholding on restricted shares vesting (in shares) | Predecessor [Member]		(314)
Employee tax withholding on restricted shares vesting | Predecessor [Member]		$ (3)	(494)			(497)
Tax effect of share-based compensation | Predecessor [Member]			(5,592)			(5,592)
Share-based compensation | Predecessor [Member]			17,740			17,740
Net income (loss) | Predecessor [Member]					(944,289)	(944,289)
Foreign currency translation gain (loss), net of tax | Predecessor [Member]				1,425		1,425
Balance (in shares) (Predecessor [Member]) at Dec. 31, 2016		119,530
Balance (Predecessor [Member]) at Dec. 31, 2016		$ 1,195	1,009,426	(2,600)	(1,306,591)	(298,570)
Employee tax withholding on restricted stock vesting (in shares) | Predecessor [Member]		314
Net income (loss) | Predecessor [Member]						298,582
Foreign currency translation gain (loss), net of tax | Predecessor [Member]
Balance (in shares) at Jan. 01, 2017	[1]	55,464
Balance at Jan. 01, 2017	[1]	$ 555	925,309			925,864
Cancellation of Predecessor equity (in shares)		(119,530)
Cancellation of Predecessor equity		$ (1,195)	(1,009,426)	2,600	1,306,591	298,570
Issuance of New Equity and New Warrants (in shares)		40,000
Issuance of New Equity and New Warrants		$ 400	725,464			725,864
Rights Offering (in shares)		15,464
Rights Offering		$ 155	199,845			200,000
Balance (in shares) (Predecessor [Member]) at Dec. 31, 2016		119,530
Balance (Predecessor [Member]) at Dec. 31, 2016		$ 1,195	1,009,426	(2,600)	(1,306,591)	(298,570)
Employee tax withholding on restricted shares vesting (in shares)		107
Employee tax withholding on restricted shares vesting		$ (1)	(3,772)			(3,773)
Share-based compensation			16,882			16,882
Net income (loss)					(32,301)	(32,301)
Foreign currency translation gain (loss), net of tax				(712)		(712)
Balance (in shares) at Mar. 31, 2017	[1]	56,221
Balance at Mar. 31, 2017	[1]	$ 562	938,411	$ (712)	$ (32,301)	$ 905,960
Issuance of restricted stock, net of forfeitures (in shares)		862
Issuance of restricted stock, net of forfeitures		$ 8	$ (8)
Exercise of warrants (in shares)		2
Employee tax withholding on restricted stock vesting (in shares)		(107)

[1] Unaudited