Quarterly report pursuant to Section 13 or 15(d)

Summary of Property and Equipment (Detail)

v3.20.2
Summary of Property and Equipment (Detail)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2020
USD ($)
$ / bbl
Jun. 30, 2019
USD ($)
$ / bbl
Jun. 30, 2020
USD ($)
$ / bbl
Jun. 30, 2019
USD ($)
$ / bbl
Dec. 31, 2019
USD ($)
Property, Plant and Equipment [Abstract]          
Proved Oil and Gas Property, Full Cost Method $ 1,501,291   $ 1,501,291   $ 1,409,219
Unproved Oil and Gas Property, Full Cost Method 52,142   52,142   53,200
Oil and Gas Property, Full Cost Method, Gross 1,553,433   1,553,433   1,462,419
Total properties and equipment 1,580,903   1,580,903   1,488,334
Other property and equipment 27,470   27,470   25,915
Accumulated depreciation, depletion and amortization (481,065)   (481,065)   (367,909)
Property and equipment, net (successful efforts method) 1,099,838   1,099,838   1,120,425
Interest Costs Capitalized   $ 1,400   $ 2,200  
Unproved Oil and Gas Property excluded 52,100   52,100   $ 53,200
Undeveloped Leasehold Costs Transferred     4,400 100  
Asset Impairment Charges 35,509 0 35,509 0  
Capitalized Costs, Proved Properties $ 1,200 $ 2,200 $ 1,200 $ 2,200  
Amortization Expense Per Physical Unit of Production | $ / bbl 16.66 17.49 16.66 17.49