Condensed Consolidating Financial Statements - Condensed Consolidating Statements of Cash Flows (Detail) - USD ($) $ in Thousands	1 Months Ended	11 Months Ended	12 Months Ended
	Dec. 31, 2016	Dec. 15, 2016	Dec. 31, 2018	Dec. 31, 2017
Schedule of Condensed Consolidating Statement of Cash Flows [Line Items]
Net cash used in operating activities	$ (417)		$ (1,845)	$ (51,367)
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures	(375)		(37,535)	(16,079)
Net cash provided by (used in) investing activities	(251)		(22,132)	16,913
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayments of long-term debt	0		(2,500)	(2,500)
Proceeds from long-term debt	0		0	0
Proceeds from stock rights offering	0		0	0
Payment of deferred financing costs	0		0	(350)
Net cash provided by (used in) financing activities	0		(2,777)	(3,547)
Effect of changes in exchange rates on cash	0		0	(146)
Net decrease in cash, cash equivalents and restricted cash	(668)		(26,754)	(38,147)
Cash, cash equivalents, restricted cash at beginning of period	115,880		77,065	115,212
Cash, cash equivalents, restricted cash at end of period	115,212	$ 115,880	$ 50,311	$ 77,065
Predecessor [Member]
Schedule of Condensed Consolidating Statement of Cash Flows [Line Items]
Net cash used in operating activities		(138,449)
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures		(8,481)
Intercompany notes and accounts		0
Other investing activities, net		15,025
Net cash provided by (used in) investing activities		6,544
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayments of long-term debt		(313,424)
Proceeds from long-term debt		250,000
Proceeds from stock rights offering		109,082
Payment of deferred financing costs		(2,040)
Intercompany notes and accounts		0
Other financing activities, net		(167)
Net cash provided by (used in) financing activities		43,451
Effect of changes in exchange rates on cash		(20)
Net decrease in cash, cash equivalents and restricted cash		(88,474)
Cash, cash equivalents, restricted cash at beginning of period	115,880	204,354
Cash, cash equivalents, restricted cash at end of period		115,880
Predecessor [Member] | Parent Company
Schedule of Condensed Consolidating Statement of Cash Flows [Line Items]
Net cash used in operating activities		0
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures		0
Intercompany notes and accounts		0
Other investing activities, net		0
Net cash provided by (used in) investing activities		0
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayments of long-term debt		(313,424)
Proceeds from long-term debt		250,000
Proceeds from stock rights offering		109,082
Payment of deferred financing costs		(2,040)
Intercompany notes and accounts		(122,798)
Other financing activities, net		(167)
Net cash provided by (used in) financing activities		(79,347)
Effect of changes in exchange rates on cash		0
Net decrease in cash, cash equivalents and restricted cash		(79,347)
Cash, cash equivalents, restricted cash at beginning of period	111,718	191,065
Cash, cash equivalents, restricted cash at end of period		111,718
Predecessor [Member] | Guarantor Subsidiaries
Schedule of Condensed Consolidating Statement of Cash Flows [Line Items]
Net cash used in operating activities		(139,713)
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures		(8,134)
Intercompany notes and accounts		122,798
Other investing activities, net		15,025
Net cash provided by (used in) investing activities		129,689
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayments of long-term debt		0
Proceeds from long-term debt		0
Proceeds from stock rights offering		0
Payment of deferred financing costs		0
Intercompany notes and accounts		0
Other financing activities, net		0
Net cash provided by (used in) financing activities		0
Effect of changes in exchange rates on cash		0
Net decrease in cash, cash equivalents and restricted cash		(10,024)
Cash, cash equivalents, restricted cash at beginning of period	0	10,024
Cash, cash equivalents, restricted cash at end of period		0
Predecessor [Member] | Non-Guarantor Subsidiaries
Schedule of Condensed Consolidating Statement of Cash Flows [Line Items]
Net cash used in operating activities		1,264
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures		(347)
Intercompany notes and accounts		0
Other investing activities, net		0
Net cash provided by (used in) investing activities		(347)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayments of long-term debt		0
Proceeds from long-term debt		0
Proceeds from stock rights offering		0
Payment of deferred financing costs		0
Intercompany notes and accounts		0
Other financing activities, net		0
Net cash provided by (used in) financing activities		0
Effect of changes in exchange rates on cash		(20)
Net decrease in cash, cash equivalents and restricted cash		897
Cash, cash equivalents, restricted cash at beginning of period	4,162	3,265
Cash, cash equivalents, restricted cash at end of period		4,162
Predecessor [Member] | Consolidation, Eliminations
Schedule of Condensed Consolidating Statement of Cash Flows [Line Items]
Net cash used in operating activities		0
CASH FLOWS FROM INVESTING ACTIVITIES:
Capital expenditures		0
Intercompany notes and accounts		(122,798)
Other investing activities, net		0
Net cash provided by (used in) investing activities		(122,798)
CASH FLOWS FROM FINANCING ACTIVITIES:
Repayments of long-term debt		0
Proceeds from long-term debt		0
Proceeds from stock rights offering		0
Payment of deferred financing costs		0
Intercompany notes and accounts		122,798
Other financing activities, net		0
Net cash provided by (used in) financing activities		122,798
Effect of changes in exchange rates on cash		0
Net decrease in cash, cash equivalents and restricted cash		0
Cash, cash equivalents, restricted cash at beginning of period	$ 0	0
Cash, cash equivalents, restricted cash at end of period		$ 0