Income Taxes - Schedule of (Loss) Income before Income Tax, Domestic and Foreign (Details) - USD ($) $ in Thousands	4 Months Ended	8 Months Ended	12 Months Ended
	Dec. 31, 2017	Aug. 31, 2017	Dec. 31, 2016
Domestic and Foreign Income (Loss) before Income Taxes and income (loss) in equity method investments. [Line Items]
(Loss) income before income taxes and equity in earnings of joint venture	$ (16,515)
Domestic
Domestic and Foreign Income (Loss) before Income Taxes and income (loss) in equity method investments. [Line Items]
(Loss) income before income taxes and equity in earnings of joint venture	(16,934)
Non-United States (U.S)
Domestic and Foreign Income (Loss) before Income Taxes and income (loss) in equity method investments. [Line Items]
(Loss) income before income taxes and equity in earnings of joint venture	$ 419
Predecessor
Domestic and Foreign Income (Loss) before Income Taxes and income (loss) in equity method investments. [Line Items]
(Loss) income before income taxes and equity in earnings of joint venture		$ 34,803	$ (112,459)
Predecessor | Domestic
Domestic and Foreign Income (Loss) before Income Taxes and income (loss) in equity method investments. [Line Items]
(Loss) income before income taxes and equity in earnings of joint venture		27,153	(104,524)
Predecessor | Non-United States (U.S)
Domestic and Foreign Income (Loss) before Income Taxes and income (loss) in equity method investments. [Line Items]
(Loss) income before income taxes and equity in earnings of joint venture		$ 7,650	$ (7,935)