Quarterly report pursuant to Section 13 or 15(d)

Consolidated Statements of Cash Flows (Unaudited)

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Consolidated Statements of Cash Flows (Unaudited) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Cash flows from operating activities:    
Net income $ 201,409 $ 260,391
Adjustments to reconcile net income to net cash provided by operating activities:    
Accretion expense 2,019 692
Depletion, depreciation and amortization 232,933 148,237
Stock-based compensation expense 3,624 3,140
(Income) loss from equity investments (22,322) 31,185
Change in fair value of derivative instruments 102,248 (166,667)
Deferred income tax benefit (69) 0
Amortization of loan commitment fees 3,006 2,288
Gain on sale of equity method investments (122,035) (12,523)
Changes in operating assets and liabilities:    
Decrease (increase) in accounts receivable—oil and natural gas sales 6,564 (3,332)
Increase in accounts receivable—joint interest and other (16,385) (24,061)
Increase in accounts receivable—related parties (110) (169)
Increase in prepaid expenses and other current assets (5,786) (1,144)
Increase in other assets (1,517) (4,425)
Increase in accounts payable, accrued liabilities and other 28,184 53,385
Settlement of asset retirement obligation (719) (344)
Net cash provided by operating activities 411,044 286,653
Cash flows from investing activities:    
Additions to other property and equipment (6,252) (10,645)
Acquisition of oil and natural gas properties 0 (1,339,222)
Additions to oil and natural gas properties (579,734) (460,765)
Proceeds from sale of oil and natural gas properties 3,762 3,730
Proceeds from sale of other property and equipment 167 0
Proceeds from sale of equity method investments 221,965 0
Contributions to equity method investments (1,569) (24,151)
Distributions from equity method investments 1,196 1,429
Net cash used in investing activities (360,465) (1,829,624)
Cash flows from financing activities:    
Principal payments on borrowings (150,285) (47)
Borrowings on line of credit 225,000 210,000
Borrowings on term loan 0 2,951
Debt issuance costs and loan commitment fees (624) (7,889)
Payments on repurchase of stock (104,997) 0
Proceeds from issuance of common stock, net of offering costs   (5,364)
Net cash (used in) provided by financing activities (30,906) 199,651
Net increase (decrease) in cash, cash equivalents and restricted cash 19,673 (1,343,320)
Cash, cash equivalents and restricted cash at beginning of period 99,557 1,460,875
Cash, cash equivalents and restricted cash at end of period 119,230 117,555
Supplemental disclosure of cash flow information    
Interest payments 59,915 48,118
Income tax payments 0 0
Supplemental disclosure of non-cash transactions    
Capitalized stock-based compensation 2,416 2,093
Asset retirement obligation capitalized 535 9,505
Interest capitalized 2,351 6,699
Foreign currency translation (loss) gain on equity method investments $ (8,867) $ 5,887