Consolidated Statements of Comprehensive Income (Loss) - USD ($) $ in Thousands	2 Months Ended	10 Months Ended	12 Months Ended
	Dec. 31, 2017	Nov. 14, 2017	Dec. 31, 2016	Dec. 31, 2015
Net income (loss)	$ 3,511
Comprehensive income:
Foreign currency and other gain (loss)	2,977
Total comprehensive income (loss)	$ 6,488
Predecessor [Member]
Net income (loss)		$ (400,919)	$ (202,979)	$ (215,235)
Comprehensive income:
Foreign currency and other gain (loss)		29,301	(52,168)	(65,569)
Total comprehensive income (loss)		$ (371,618)	$ (255,147)	$ (280,804)