CONSOLIDATED BALANCE SHEETS (unaudited) - USD ($)
$ in Thousands
Jun. 30, 2018
Dec. 31, 2017
Current assets    
Cash and cash equivalents $ 42,720 $ 117,315
Accounts receivable, net 101,553 78,786
Derivative instruments 22,727 433
Prepaid and other current assets 12,322 6,051
Total current assets 179,322 202,585
Oil and natural gas properties, successful efforts method    
Unproved properties 1,838,303 1,952,680
Proved properties 2,101,875 1,602,002
Accumulated depreciation, depletion and amortization (313,156) (173,906)
Total oil and natural gas properties, net 3,627,022 3,380,776
Other property and equipment, net 7,388 5,465
Total property and equipment, net 3,634,410 3,386,241
Noncurrent assets    
Derivative instruments 0 662
Other noncurrent assets 25,158 27,081
Total assets 3,838,890 3,616,569
Current liabilities    
Accounts payable and accrued expenses 200,583 199,533
Derivative instruments 0 240
Other current liabilities 529 0
Total current liabilities 201,112 199,773
Noncurrent liabilities    
Long-term debt, net 421,154 390,764
Asset retirement obligations 12,663 12,161
Deferred tax liability 42,307 9,899
Derivative instruments 2,857 0
Other long-term liabilities 596 0
Total liabilities 680,689 612,597
Shareholders’ equity    
Commitments and contingencies (Note 12)
Additional paid-in capital 2,819,052 2,767,558
Retained earnings 196,270 66,639
Total shareholders’ equity 3,015,350 2,834,225
Noncontrolling interest 142,851 169,747
Total equity 3,158,201 3,003,972
Total liabilities and equity 3,838,890 3,616,569
Preferred Stock Series A    
Shareholders’ equity    
Preferred stock, $0.0001 par value, 620,000,000 shares authorized: Series A: 1 share issued and outstanding 0 0
Common Stock Class A    
Shareholders’ equity    
Common stock, $0.0001 par value, 620,000,000 shares authorized: 27 26
Common Stock Class C    
Shareholders’ equity    
Common stock, $0.0001 par value, 620,000,000 shares authorized: $ 1 $ 2