Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Cash flows from operating activities:
Net loss	$ (28,813)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	17,943
(Gain) loss on sale of assets	(203)
Amortization of stock-based compensation	589
Amortization and write-off of deferred financing costs	1,067
Provision for doubtful accounts receivable, net of write-offs	(115)
Deferred income tax expense (benefit)	(1,056)
Foreign currency transaction loss	7
Change in operating assets and liabilities:
Accounts receivable	6,731
Prepaids and other	(1,572)
Deferred drydocking charges	(3,116)
Accounts payable	(5,232)
Other accrued liabilities and other	(9,376)
Net cash used in operating activities	(23,146)
Cash flows from investing activities:
Purchases of vessels, equipment and other fixed assets	(363)
Proceeds from disposition of vessels and equipment	283
Net cash used in investing activities	(80)
Cash flows from financing activities:
Proceeds from borrowings under revolving loan facility
Proceeds from borrowings under DIP financing facility
Repayments of borrowings under loan facilities
Other financing costs
Debt issuance costs	(230)
Net cash (used in) provided by financing activities	(230)
Effect of exchange rate changes on cash	361
Net increase (decrease) in cash, cash equivalents and restricted cash	(23,095)
Cash, cash equivalents and restricted cash at beginning of period	68,073
Cash, cash equivalents and restricted cash at end of period	44,978
Supplemental cash flow information:
Interest paid, net of interest capitalized	4,535
Income taxes paid, net	$ 744
Predecessor [Member]
Cash flows from operating activities:
Net loss		$ (165,362)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization		27,148
(Gain) loss on sale of assets		5,241
Amortization of stock-based compensation		1,896
Amortization and write-off of deferred financing costs		10,279
Provision for doubtful accounts receivable, net of write-offs		801
Deferred income tax expense (benefit)		73,107
Foreign currency transaction loss		380
Change in operating assets and liabilities:
Accounts receivable		1,072
Prepaids and other		(4,891)
Deferred drydocking charges
Accounts payable		(3,202)
Other accrued liabilities and other		11,076
Net cash used in operating activities		(42,455)
Cash flows from investing activities:
Purchases of vessels, equipment and other fixed assets		(24,663)
Proceeds from disposition of vessels and equipment		3,032
Net cash used in investing activities		(21,631)
Cash flows from financing activities:
Proceeds from borrowings under revolving loan facility		58,443
Proceeds from borrowings under DIP financing facility		17,000
Repayments of borrowings under loan facilities		(2,000)
Other financing costs		(4,299)
Debt issuance costs
Net cash (used in) provided by financing activities		69,144
Effect of exchange rate changes on cash		237
Net increase (decrease) in cash, cash equivalents and restricted cash		5,295
Cash, cash equivalents and restricted cash at beginning of period		8,822
Cash, cash equivalents and restricted cash at end of period		14,117
Supplemental cash flow information:
Interest paid, net of interest capitalized		2,590
Income taxes paid, net		$ 1,129