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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 9 Months Ended
--- | ---
Sep. 30, 2020 | Sep. 30, 2019
Cash flows from operating activities: |  |
Net loss | $ (1,459,569) | $ (187,604)
Adjustments to reconcile net loss to net cash provided by operating activities: |  |
Depletion, depreciation and amortization | 194,369 | 406,654
Impairment of oil and natural gas properties | 1,357,099 | 571,442
Loss from equity investments | 10,987 | 164,532
Gain on debt extinguishment | (49,579) | (23,600)
Net gain on derivative instruments | (71,414) | (178,169)
Net cash receipts on settled derivative instruments | 225,364 | 80,744
Deferred income tax expense (benefit) | 7,290 | (323,378)
Other, net | 12,753 | 15,242
Changes in operating assets and liabilities: |  |
Decrease in accounts receivable—oil and natural gas sales | 28,767 | 97,543
Decrease (increase) in accounts receivable—joint interest and other | 32,827 | (18,830)
(Increase) decrease in prepaid expenses and other current assets | (45,620) | 4,359
(Decrease) increase in accounts payable and accrued liabilities | (40,552) | 8,567
Other, net | (2,721) | (147)
Net cash provided by operating activities | 200,001 | 617,355
Cash flows from investing activities: |  |
Additions to oil and natural gas properties | (337,979) | (646,535)
Proceeds from sale of oil and natural gas properties | 46,932 | 10,864
Additions to other property and equipment | (591) | (4,694)
Proceeds from sale of other property and equipment | 942 | 204
Contributions to equity method investments | 0 | (432)
Distributions from equity method investments | 0 | 1,945
Net cash used in investing activities | (290,696) | (638,648)
Cash flows from financing activities: |  |
Principal payments on borrowings | (372,484) | (550,500)
Borrowings on line of credit | 531,857 | 640,000
Repurchases of senior notes | (22,827) | (79,480)
Payments for repurchases of stock under approved stock repurchase program | 0 | (30,000)
Other, net | (868) | (900)
Net cash provided by (used in) financing activities | 135,678 | (20,880)
Net increase (decrease) in cash, cash equivalents and restricted cash | 44,983 | (42,173)
Cash, cash equivalents and restricted cash at beginning of period | 6,060 | 52,297
Cash, cash equivalents and restricted cash at end of period | 51,043 | 10,124
Supplemental disclosure of cash flow information: |  |
Interest payments | 73,979 | 85,272
Income tax receipts | 0 | (1,794)
Supplemental disclosure of non-cash transactions: |  |
Capitalized stock-based compensation | 2,189 | 3,313
Asset retirement obligation capitalized | 2,343 | 6,846
Asset retirement obligation removed due to divestiture | (2,033) | (30,035)
Interest capitalized | 907 | 2,782
Fair value of contingent consideration asset on date of divestiture | 23,090 | 1,137
Foreign currency translation (loss) gain on equity method investments | $ (4,497) | $ 5,347

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