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CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) | 6 Months Ended
--- | ---
Jun. 30, 2020 | Jun. 30, 2019
Cash flows from operating activities: |  |
Net (loss) income | $ (1,078,606,000) | $ 297,198,000
Adjustments to reconcile net (loss) income to net cash provided by operating activities: |  |
Depletion, depreciation and amortization | 142,818,000 | 243,384,000
Impairment of oil and natural gas properties | 1,086,225,000 | 0
Loss (income) from equity investments | 10,834,000 | 121,449,000
Gain on debt extinguishment | (49,579,000) | 0
Net gain on derivative instruments | (125,237,000) | (151,095,000)
Net cash receipts (payments) on settled derivative instruments | 195,232,000 | (1,494,000)
Deferred income tax expense | 7,290,000 | (179,331,000)
Other, net | 9,844,000 | 11,341,000
Changes in operating assets and liabilities: |  |
Decrease in accounts receivable—oil and natural gas sales | 55,565,000 | 78,525,000
Decrease (increase) in accounts receivable—joint interest and other | 29,159,000 | (24,148,000)
(Decrease) increase in accounts payable and accrued liabilities | (30,620,000) | 3,220,000
Other, net | (5,703,000) | 720,000
Net cash provided by operating activities | 247,222,000 | 399,769,000
Cash flows from investing activities: |  |
Additions to oil and natural gas properties | (274,851,000) | (508,315,000)
Proceeds from sale of oil and natural gas properties | 45,185,000 | 745,000
Additions to other property and equipment | (575,000) | (4,298,000)
Proceeds from sale of other property and equipment | 151,000 | 130,000
Contributions to equity method investments | 0 | (432,000)
Distributions from equity method investments | 0 | 1,945,000
Net cash used in investing activities | (230,090,000) | (510,225,000)
Cash flows from financing activities: |  |
Principal payments on borrowings | (323,322,000) | (345,350,000)
Borrowings on line of credit | 326,000,000 | 455,000,000
Repurchases of senior notes | (22,827,000) | 0
Payments for repurchases of stock under approved stock repurchase program | 0 | (30,000,000)
Other, net | (226,000) | (714,000)
Net cash (used in) provided by financing activities | (20,375,000) | 78,936,000
Net (decrease) increase in cash, cash equivalents and restricted cash | (3,243,000) | (31,520,000)
Cash, cash equivalents and restricted cash at beginning of period | 6,060,000 | 52,297,000
Cash, cash equivalents and restricted cash at end of period | 2,817,000 | 20,777,000
Supplemental disclosure of cash flow information: |  |
Interest payments | 60,523,000 | 67,472,000
Income tax receipts | 0 | (1,794,000)
Supplemental disclosure of non-cash transactions: |  |
Capitalized stock-based compensation | 1,891,000 | 2,252,000
Asset retirement obligation capitalized | 1,553,000 | 6,230,000
Asset retirement obligation removed due to divestiture | (2,033,000) | 0
Interest capitalized | 710,000 | 1,771,000
Fair value of contingent consideration asset on date of divestiture | 23,090,000 | 0
Foreign currency translation (loss) gain on equity method investments | $ (8,158,000) | $ 7,411,000

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