Income Taxes - Narrative (Details) - USD ($) $ in Thousands	1 Months Ended	2 Months Ended	3 Months Ended	8 Months Ended	9 Months Ended
	Sep. 30, 2017	Aug. 31, 2017	Sep. 30, 2016	Aug. 31, 2017	Sep. 30, 2016
Income Tax Contingency [Line Items]
Income tax expense (benefit)	$ 286
Pre-tax loss from continuing operations	$ (535)
Effective tax rate (as a percent)	(53.50%)
U.S. statutory rate (as a percent)	35.00%
Predecessor
Income Tax Contingency [Line Items]
Income tax expense (benefit)		$ (1,395)	$ 903	$ (1,387)	$ 1,099
Pre-tax loss from continuing operations		$ 70,828	$ (17,359)	$ 34,803	$ (79,096)
Effective tax rate (as a percent)		(1.97%)	(5.20%)	(4.00%)	(1.40%)