Unaudited Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Revenue	$ 26,453		$ 50,819
Costs and expenses:
Direct operating expenses	20,022		41,997
Drydock expense
General and administrative expenses	7,245		14,154
Pre-petition restructuring charges
Depreciation and amortization	9,002		17,943
(Gain) loss on sale of assets	(228)		(203)
Total costs and expenses	36,041		73,891
Operating loss	(9,588)		(23,072)
Other income (expense):
Interest expense	(2,841)		(5,595)
Interest income	92		213
Reorganization items	(137)		(422)
Foreign currency transaction loss and other	(2,242)		(592)
Total other income (expense)	(5,128)		(6,396)
Loss before income taxes	(14,716)		(29,468)
Income tax (provision) benefit	1,141		655
Net loss	$ (13,575)		$ (28,813)
Loss per share:
Basic (in dollars per share)	$ (1.36)		$ (2.88)
Diluted (in dollars per share)	$ (1.36)		$ (2.88)
Weighted average shares outstanding:
Basic (in shares)	9,998		9,998
Diluted (in shares)	9,998		9,998
Predecessor [Member]
Revenue		$ 24,641		$ 49,000
Costs and expenses:
Direct operating expenses		19,384		38,559
Drydock expense		1,654		4,556
General and administrative expenses		8,804		18,381
Pre-petition restructuring charges		11,933		17,787
Depreciation and amortization		13,578		27,148
(Gain) loss on sale of assets		(32)		5,241
Total costs and expenses		55,321		111,672
Operating loss		(30,680)		(62,672)
Other income (expense):
Interest expense		(5,716)		(24,152)
Interest income		9		16
Reorganization items		(5,094)		(5,094)
Foreign currency transaction loss and other		(204)		(391)
Total other income (expense)		(11,005)		(29,621)
Loss before income taxes		(41,685)		(92,293)
Income tax (provision) benefit		1,138		(73,069)
Net loss		$ (40,547)		$ (165,362)
Loss per share:
Basic (in dollars per share)		$ (1.58)		$ (6.50)
Diluted (in dollars per share)		$ (1.58)		$ (6.50)
Weighted average shares outstanding:
Basic (in shares)		25,583		25,442
Diluted (in shares)		25,583		25,442