Quarterly report pursuant to Section 13 or 15(d)

Property, Plant and Equipment - Summary of Property, Plant and Equipment Comprised of Fixed Assets and Oil and Gas Properties (Detail)

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Property, Plant and Equipment - Summary of Property, Plant and Equipment Comprised of Fixed Assets and Oil and Gas Properties (Detail) - USD ($)
$ in Thousands
Jun. 30, 2017
Feb. 10, 2017
Dec. 31, 2016
Fixed Assets      
Accumulated depreciation $ (208)   $ (69)
Total fixed assets, net 12,042   10,993
Oil and Gas Properties      
Unproved 13,000    
Wells in progress 332 $ 332  
Total oil and gas properties 13,332    
Total property, plant and equipment, net 25,374   10,993
Land [Member]      
Fixed Assets      
Fixed assets, gross 9,491   9,491
Buildings [Member]      
Fixed Assets      
Fixed assets, gross 549   549
Leasehold Improvements [Member]      
Fixed Assets      
Fixed assets, gross 1,774   602
Computer, Office Equipment and Fixtures [Member]      
Fixed Assets      
Fixed assets, gross $ 436   $ 420