Bankruptcy Related Disclosures - Contractual Interest (Details) - Predecessor - USD ($) $ in Thousands	2 Months Ended
	Aug. 31, 2017	Aug. 31, 2017
Fresh-Start Adjustment [Line Items]
Total Contractual Interest	$ 4,089	$ 4,880
12.75% Senior Secured Notes due December 15, 2018
Fresh-Start Adjustment [Line Items]
Total Contractual Interest	3,887	4,639
5.25% Convertible Notes due December 30, 2019
Fresh-Start Adjustment [Line Items]
Total Contractual Interest	$ 202	$ 241