Basis of Consolidation and Presentation - Additional Information (Detail) - USD ($) $ in Millions	9 Months Ended
	Sep. 30, 2017	Dec. 31, 2016
Basis of Consolidation and Presentation [Line Items]
Current deferred tax assets		$ 36.4
Long-term deferred tax assets		4.1
Long-term deferred tax liabilities		$ 32.3
Seventy Seven Energy Inc.
Basis of Consolidation and Presentation [Line Items]
Merger date	Apr. 20, 2017