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CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2018 | Sep. 30, 2017
Cash flows from operating activities: |  |
Net income | $ 296,559 | $ 278,626
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Accretion expense | 3,056 | 1,148
Depletion, depreciation and amortization | 352,848 | 254,887
Stock-based compensation expense | 5,792 | 4,793
(Income) loss from equity investments | (35,040) | 34,018
Change in fair value of derivative instruments | 106,373 | (129,692)
Deferred income tax benefit | (69) | 0
Amortization of loan commitment fees | 4,554 | 3,548
Gain on sale of equity method investments | (124,768) | (12,523)
Distributions from equity method investments | 1,978 | 0
Changes in operating assets and liabilities: |  |
Increase in accounts receivable—oil and natural gas sales | (10,618) | (20,056)
Increase in accounts receivable—joint interest and other | (2,277) | (23,289)
Increase in accounts receivable—related parties | (79) | (346)
Increase in prepaid expenses and other current assets | (4,830) | (2,531)
Decrease (increase) in other assets | 1,228 | (5,665)
Increase in accounts payable, accrued liabilities and other | 14,968 | 111,335
Settlement of asset retirement obligation | (719) | (2,520)
Net cash provided by operating activities | 608,956 | 491,733
Cash flows from investing activities: |  |
Additions to other property and equipment | (7,134) | (16,288)
Acquisition of oil and natural gas properties | 0 | (1,339,456)
Additions to oil and natural gas properties | (755,263) | (789,743)
Proceeds from sale of oil and natural gas properties | 4,820 | 4,079
Proceeds from sale of other property and equipment | 217 | 658
Proceeds from sale of equity method investments | 226,487 | 0
Contributions to equity method investments | (2,318) | (44,844)
Distributions from equity method investments | 446 | 4,114
Net cash used in investing activities | (532,745) | (2,181,480)
Cash flows from financing activities: |  |
Principal payments on borrowings | (165,428) | (183)
Borrowings on line of credit | 225,000 | 365,000
Borrowings on term loan | 0 | 2,951
Debt issuance costs and loan commitment fees | (772) | (8,261)
Payments on repurchase of stock | (109,997) | 0
Proceeds from issuance of common stock, net of offering costs | 0 | (5,364)
Net cash (used in) provided by financing activities | (51,197) | 354,143
Net increase (decrease) in cash, cash equivalents and restricted cash | 25,014 | (1,335,604)
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 | 124,571 | 125,271
Supplemental disclosure of cash flow information: |  |
Interest payments | 75,045 | 50,826
Income tax payments | 0 | 0
Supplemental disclosure of non-cash transactions: |  |
Capitalized stock-based compensation | 3,862 | 3,195
Asset retirement obligation capitalized | 1,094 | 11,557
Interest capitalized | 3,956 | 8,753
Foreign currency translation (loss) gain on equity method investments | $ (5,815) | $ 12,719

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- Definition The cash outflow to reacquire common stock during the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
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- Definition The cash outflow for loan origination associated cost which is usually collected through escrow. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
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- Definition The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585 + Details
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- Definition The cash outflow to purchase of mineral interests in oil and gas properties for use in the normal oil and gas operations and not intended for resale. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585 + Details
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- Definition Amount of cash outflow from the acquisition of or improvements to long-lived, physical assets used to produce goods and services and not intended for resale, classified as other. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585 + Details
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- Definition Amount of distribution received from equity method investee for return of investment, classified as investing activities. Excludes distribution for return on investment, classified as operating activities. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 21D -URI http://asc.fasb.org/extlink&oid=109223946&loc=SL94080555-108585 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585 + Details
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- Definition The cash inflow from the additional capital contribution to the entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 + Details
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- Definition The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 + Details
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- Definition The cash inflow from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with maturities due beyond one year or the operating cycle, if longer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3255-108585 + Details
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- Definition The cash inflow associated with the sale of equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585 + Details
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- Definition The cash inflow to dispose of long-lived, physical assets and mineral interests in oil and gas properties used for normal oil and gas operations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585 + Details
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- Definition Amount of cash inflow for the sale of long-lived, physical assets used to produce goods and services and not intended for resale, classified as other. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3179-108585 + Details
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- Definition The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3291-108585 + Details
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- Definition The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 + Details
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- References No definition available. + Details
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- Definition The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of open derivatives, commodity, or energy contracts, held at each balance sheet date, that was included in earnings for the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 + Details
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