Quarterly report pursuant to Section 13 or 15(d)

Summary of Property and Equipment (Detail)

v3.7.0.1
Summary of Property and Equipment (Detail)
$ in Thousands
3 Months Ended
Mar. 31, 2017
USD ($)
$ / bbl
Dec. 31, 2016
USD ($)
Mar. 31, 2016
$ / bbl
Property, Plant and Equipment [Line Items]      
Unproved Oil and Gas Property excluded $ 3,500 $ 4,700  
Proved Oil and Gas Property, Full Cost Method 272,947 251,083  
Unproved Oil and Gas Property, Full Cost Method 3,468 4,719  
Oil and Gas Property, Full Cost Method, Gross 276,415 255,802  
Other property and equipment 3,575 3,575  
Total properties and equipment 279,990 259,377  
Accumulated depreciation, depletion and amortization (21,664) (11,904)  
Property and equipment, net (successful efforts method) 258,326 $ 247,473  
Undeveloped Leasehold Costs Transferred 1,900    
Capitalized Costs, Proved Properties 600    
Interest Costs Capitalized $ 100    
Successor [Member]      
Property, Plant and Equipment [Line Items]      
Amortization Expense Per Physical Unit of Production | $ / bbl 11.47    
Predecessor [Member]      
Property, Plant and Equipment [Line Items]      
Amortization Expense Per Physical Unit of Production | $ / bbl     9.905451656000