Property and Equipment, Net Schedule of Property and Equipment (Detail) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 143,385	$ 139,775
Accumulated depreciation	(47,592)	(32,588)
Property and equipment, net	95,793	107,187
Rigs and other equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	118,836	115,391
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	19,319	18,977
Land
Property, Plant and Equipment [Line Items]
Property and equipment, gross	1,893	1,893
Vehicles
Property, Plant and Equipment [Line Items]
Property and equipment, gross	2,304	2,197
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	925	673
Assets in progress
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 108	$ 644