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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) (in thousands) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Cash flows from operating activities: |  |  |  |  |
Net loss |  | $ (98,292) | $ 42,234 | $ (599,439) | $ (84,946)
Adjustments to reconcile net loss to net cash provided by operating activities: |  |  |  |  |
Net gain on divestiture activity |  | 0 | 0 | (91) | (323)
Depletion, depreciation, amortization, and asset retirement obligation liability accretion |  | 181,708 | 211,125 | 596,053 | 595,201
Impairment |  | 8,750 | 6,337 | 1,007,263 | 25,092
Stock-based compensation expense |  |  |  | 15,437 | 18,758
Net derivative gain |  | 63,871 | (100,889) | (314,269) | (3,463)
Derivative settlement gain |  |  |  | 286,270 | 23,843
Amortization of debt discount and deferred financing costs |  |  |  | 13,084 | 11,554
Gain on extinguishment of debt |  | (25,070) | 0 | (264,546) | 0
Deferred income taxes |  | (22,796) | 19,617 | (159,064) | (13,620)
Other, net |  |  |  | (6,203) | (2,291)
Net change in working capital |  |  |  | (40,411) | 11,781
Net cash provided by operating activities |  |  |  | 534,084 | 581,586
Cash flows from investing activities: |  |  |  |  |
Net proceeds from the sale of oil and gas properties (1) | [1] |  |  | 92 | 12,520
Capital expenditures |  |  |  | (419,777) | (788,642)
Acquisition of proved and unproved oil and gas properties |  |  |  | (7,075) | (2,581)
Net cash used in investing activities |  |  |  | (426,760) | (778,703)
Cash flows from financing activities: |  |  |  |  |
Proceeds from revolving credit facility |  |  |  | 1,165,500 | 1,124,500
Repayment of revolving credit facility |  |  |  | (1,110,000) | (995,500)
Debt issuance costs related to 10.0% Senior Secured Notes due 2025 |  |  |  | (12,886) | 0
Cash paid to repurchase Senior Notes |  |  |  | (94,262) | 0
Repayment of 1.50% Senior Convertible Notes due 2021 |  |  |  | (53,508) | 0
Net proceeds from sale of common stock |  |  |  | 947 | 1,959
Dividends paid |  |  |  | (1,130) | (5,612)
Other, net |  |  |  | (1,985) | (2,684)
Net cash provided by (used in) financing activities |  |  |  | (107,324) | 122,663
Net change in cash, cash equivalents, and restricted cash |  |  |  | 0 | (74,454)
Cash, cash equivalents, and restricted cash at beginning of period |  |  |  | 10 | 77,965
Cash, cash equivalents, and restricted cash at end of period |  | 10 | 3,511 | 10 | 3,511
Supplemental Cash Flow Information - Operating activities: |  |  |  |  |
Cash paid for interest, net of capitalized interest |  |  |  | (122,174) | (113,122)
Supplemental Cash Flow Information - Investing activities: |  |  |  |  |
Increase (decrease) in capital expenditure accruals and other |  |  |  | (17,405) | 34,878
Non-cash investing and financing activities |  |  |  |  |
Non-cash investing and financing activities (2)(3) | [2],[3] |  |  |  |
Cash and cash equivalents |  | 10 | 10 | 10 | 10
Restricted cash (1) | [1] | $ 0 | $ 3,501 | $ 0 | $ 3,501
[1] | (1) As of September 30, 2019, a portion of net proceeds from the sale of oil and gas properties was restricted for future property acquisitions.
[2] | (2) Please refer to Note 3 - Divestitures, Assets Held for Sale, and Acquisitions for discussion of the carrying value of properties exchanged during the nine months ended September 30, 2020, and 2019, respectively.
[3] | (3) Please refer to Note 5 - Long-Term Debt for discussion of the debt transactions executed during the nine months ended September 30, 2020.

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