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Property and Equipment - Schedule (Detail) - USD ($)
$ in Thousands
Sep. 30, 2015
Dec. 31, 2014
Property and equipment, gross $ 143,782 $ 139,775
Accumulated depreciation (44,106) (32,588)
Property and equipment, net 99,676 107,187
Rigs and other equipment    
Property and equipment, gross 118,884 115,391
Buildings and improvements    
Property and equipment, gross 19,377 18,977
Land    
Property and equipment, gross 1,893 1,893
Vehicles    
Property and equipment, gross 2,304 2,197
Furniture and fixtures    
Property and equipment, gross 851 673
Assets in progress    
Property and equipment, gross $ 473 $ 644