Property and Equipment, Net - Schedule (Detail) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Property Plant and Equipment Gross	$ 91,472	$ 85,761
Accumulated depreciation	(15,604)	(7,993)
Property and equipment, net	75,868	77,768
Rigs and Other Equipment [Member]
Property Plant and Equipment Gross	71,845	68,404
Building and Building Improvements [Member]
Property Plant and Equipment Gross	13,295	12,019
Land [Member]
Property Plant and Equipment Gross	1,068	1,068
Vehicles [Member]
Property Plant and Equipment Gross	1,742	1,639
Furniture and Fixtures [Member]
Property Plant and Equipment Gross	289	289
Assets in Progress [Member]
Property Plant and Equipment Gross	$ 3,233	$ 2,342