Segment Information (Reconciliation of Revenue from Segments to Consolidated) (Details) - USD ($) $ in Thousands	1 Months Ended	2 Months Ended	3 Months Ended	5 Months Ended	6 Months Ended
	Jun. 30, 2020	May 31, 2020	Jun. 30, 2019	May 31, 2020	Jun. 30, 2019
Segment Reporting [Abstract]
Consolidated Gross Margin	$ 2,420	$ 6,023	$ 36,873	$ 28,323	$ 74,856
Depreciation and amortization	(5,236)	(13,663)	(22,851)	(35,647)	(45,504)
General and administrative	(4,213)	(7,392)	(18,028)	(22,047)	(37,786)
Pre-petition restructuring charges	0	252	0	(16,822)	0
Impairment	(388)	0	(332)	(17,853)	(1,378)
Bad debt (expense) recovery, net	283	(482)	348	(1,209)	286
Gain on dispositions of property and equipment, net	(460)	(272)	(1,126)	(989)	(2,201)
Loss from operations	$ (6,674)	$ (14,990)	$ (2,864)	$ (64,266)	$ (7,325)